REFEREED SCIENTIFIC PUBLICATIONS --------------------------------

176. The Double Dust Envelopes of R Coronae Borealis Stars
Edward Montiel, Geoffrey Clayton, B. Sugerman, Aneurin Evans, Domingo Anibal Garcia-Hernandez, N. Kameswara Rao, M. Matsuura, and Patrick Tisserand 2018, AJ, 156, 148

175. A decade of dust formation in the Type IIn SN 2005ip
Bevan, A., Wesson, R., Barlow, M. J., De Looze, I., Andrews, J. E., Clayton, G. C., Krafton, K., Matsuura, M., and Milisavljevic, D.2018, MNRAS, Submitted

174. A plethora of new R Coronae Borealis stars from a dedicated spectroscopic follow-up survey
Tisserand, P., Clayton, G. C., Bessell, M. S., Welch, D. L., Kamath, D., Wood, P. R., Wils, P., Wyrzykowski, ?., Mróz, P., and Udalski, A. 2018, A&A, Submitted

173.Tracking down R Coronae Borealis stars using the WISE All-Sky survey
Tisserand, P., Clayton, G. C., and Welch, D. L. 2018, A&A, Submitted

172. Evolving R Coronae Borealis Stars with MESA
Lauer, A., Chatzopoulos, E., Clayton, G.C., Frank, J., and Marcello, D. C. 201, MNRAS, Submitted

171. The Resolved Stellar Populations in the LEGUS Galaxies1
Sabbi, E. et al. 2018, ApJS, 235, 23

170. The First Post-Kepler Brightness Dips of KIC 8462852
Boyajian, T.S. et al. 2018, ApJ, 853, L8

169. Numerical Simulations of Mass Transfer in Binaries with Bipolytropic Components
Kadam, K. et al. 2018, MNRAS, 481, 3683

168. The role of dredge-up in double white dwarf mergers
Staff, J.E.. et al. 2018, ApJ, 862, 74

167. Legacy ExtraGalactic UV Survey with The Hubble Space Telescope: Stellar Cluster Catalogs and First Insights Into Cluster Formation and Evolution in NGC 628
Adamo, A. et al. 2017, ApJ, 841, 131

166. The SAGE-Spec Spitzer Legacy program: The life-cycle of dust and gas in the Large Magellanic Cloud. Point source classification III.
Jones, O.C. et al. 2017, MNRAS, 470, 3250

165. A Comparison of Grid-Based and SPH Binary Mass-Transfer and Merger Simulations
Motl, P.M., Frank, J., Staff, J., Clayton, G.C., Fryer, C.L., Even, W., Diehl, S., Tohline, J.E. 2017, ApJS, 229, 27

164. A Numerical Method for Generating Rapidly Rotating Bipolytropic Structures in Equilibrium
Kadam, K., Motl, P.M., Frank, J.., Clayton, G.C., and Marcello, D.C. 2016, MNRAS, 462, 2237

163. Early Dust Formation and a Massive Progenitor in 2011ja?
Andrews, J.E., Krafton, K.M., Clayton, G.C., Montiel, E., Wesson, R., Sugerman, B.E.K., Barlow, M.J., and Matsuura, M. 2016, MNRAS, 457, 3241

162. Gaia16aau is a new R Coronae Borealis star in the SMC
Tisserand, P., Wyrzykowski, L., Clayton, G., Welch, D. , and Udalski, A. 2016, ATel, No. 8681

161. The Brightest Young Star Clusters in NGC5253
Calzetti. D. et al. 2015, ApJ, 811, 75

160. What Powers the 3000 Day Light Curve of SN 2006gy?
Fox, O.D. et al. 2015, MNRAS, 454, 4366

159. New Ultraviolet Extinction Curves for Interstellar Dust in M31
Clayton, G.C., Gordon, K.D, Bianchi, L.C., Massa, D.L., Fitzpatrick, E.L., Bohlin, R.C., and Wolff, M.J. 2015, ApJ, 815, 14

158. What is the Shell Around R Coronae Borealis?
Montiel, E.J., Clayton, G.C., Marcello, D.C., Lockman, F.J. 2015, AJ, 150, 14

157. A Stubbornly Large Mass of Cold Dust in the Ejecta of Supernova 1987A
Matsuura, M. et al. 2015, ApJ, 800, 50

156. The Identification of Extreme Asymptotic Giant Branch Stars and Red Supergiants in M33 by 24μm Variability
Montiel, E.J., Srinivasan, S., Clayton, G.C., Engelbracht, C.W., and Johnson, C.B. 2015, AJ, 149, 57

155. Legacy Extragalactic UV Survey (LEGUS) with the Hubble Space Telescope. I. Survey Description
Calzetti. D. et al. 2015, ApJ, 149, 51

154. Dust and Gas in the Magellanic Clouds from the Heritage Herschel Key Project. I. Dust Properties and Insights into the Origin of the Submm Excess Emission
Gordon, K.D. et al. 2014, ApJ, 797, 85

153. Dust and gas in the Magellanic Clouds from the Heritage Herschel Key Project. II. Variations of the Apparent Gas-to-Dust Ratio with Surface Density and Across ISM Phases
Duval, J. et al. 2014, ApJ, 797, 86

152. Dust Production and Particle Acceleration in Supernova 1987A Revealed with ALMA
Indebetouw, R. et al. 2014, ApJ 782, L2

151. Dusty Disks Around Central Stars of Planetary Nebulae
Clayton, G.C., De Marco, O., Nordhaus, J., Green, J., Rauch, T., Werner, K., and Chu. Y.H. 2014, AJ, 147, 142

150. Variable Winds and Dust Formation in R Coronae Borealis Stars
Clayton, G.C., Geballe, T.R., and Zhang, W.. 2013, AJ, 146, 23

149. Evolution of the 1919 Ejecta of V605 Aquilae
Clayton, G.C., Bond, H.E., Long, L.A., Meyer, P.I., Sugerman, B.E.K., Montiel, E., Sparks, W.B., Meakes, M.G., Chesneau, O., and De Marco, O. 2013, ApJ, 771, 130

148. The HERschel Inventory of The Agents of Galaxy Evolution (HERITAGE) in the Magellanic Clouds, a Herschel Open Time Key Program
Meixner, M. et al.. 2013, AJ, 146, 62

147. Reproducing the Observed Abundances in RCB and HdC stars with Post-Double Degenerate Merger Models - Constraints on Merger and Post-Merger Simulations and Physics Processes
Menon, A., Herwig, F., Denissenkov, P. A., Clayton, G. C., Staff, J., Pignatari, M., and Paxton, B. 2013, ApJ, 772, 59

146. The Ongoing Pursuit of R Coronae Borealis Stars: ASAS-3 Survey Strikes Again
Tisserand, P., Clayton, G. C., Welch, D. L., Pilecki, B., Wyrzykowski, L., and Kilkenny, D. 2013, A&A, 551, 77

145. On the Metallicity Dependence of Crystalline Silicates in Oxygen-Rich Asymptotic Giant Branch Stars and Red Supergiants
Jones, O. et al. 2012, MNRAS, 427, 3209

144. Do R Coronae Borealis Stars Form from Double White Dwarfs?
Staff, J.E., Menon, A., Herwig, F., Even, W., Fryer, C.L., Motl, P.M., Geballe, T., Pignatari, M., Clayton, G.C., Tohline, J.E. 2012, ApJ, 757, 76

143. What are the R Coronae Borealis Stars?
Clayton, G.C. 2012, JAAVSO, 40, 539

142. Thirty Years of SN 1980K: A Light-Echo Explanation
Sugerman, B.E.K., Andrews, J.E., Barlow, M.J., Clayton, G.C., Ercolano, B., Ghavamian, P., Meixner, M. 2012 ApJ, 749, 170

141. Optical and Infrared Analysis of Type II SN 2006bc

Gallagher, J., Clayton, G.C., Sugerman, B.E.K., Andrews, J.E., Clem,J., Barlow, M.J., Ercolano, B., Fabbri, J., Otsuka, M., Wesson R., and Meixner, M. 2012, ApJ, 753, 109

140. The Dust Budget of the SMC: Are AGB Stars the Primary Dust Source at Low Metallicity?

Boyer, M. L., Srinivasan, S., Riebel, D., McDonald, I., van Loon, J. Th., Clayton, G. C., Gordon, K. D., Meixner, M., Sargent, B. A., Sloan, G. C. 2012, ApJ, 748, 40

139. Solid-phase C60 in the peculiar binary XX Oph

Evans, A., van Loon, J. Th., Woodward, C.E. ,Gehrz, R.D., Clayton, G.C., Helton, L.A., Rushton, M.T., Eyre, S.P.S., Krautter, J., Starrfield, S.,Wagner, R.M. 2012, MNRAS, 421, L92

138. Late-time Light Curves of Type II Supernovae: Physical Properties of SNe and Their Environment

Otsuka, M., Meixner, M., Panagia, N., Fabbri, J., Barlow, M.J., Clayton, G.C., Gallagher, J.S., Sugerman, B.E.K., Wesson, R., Andrews, J.E., Ercolano, B., and Welch, D.L. 2012, ApJ, 744, 26

137. The Circumstellar Environment of R Coronae Borealis: White Dwarf Merger or Final Helium Shell Flash?

Clayton, G.C., Sugerman, B.E.K., et al. 2011, ApJ, 743, 44

136. NSV 11154 is a New R Coronae Borealis Star

Kijbunchoo, N., Clayton, G.C., Vieux, T.C., Dickerman, N., Hillwig, T.C., Welch, D.L., Pagnotta, A., Tang, S., Grindlay, J.E., and Henden, A. 2011, PASP, 123, 1149

135. The Effects of Dust on the Optical and Infrared Evolution of SN 2004et

Fabbri, J., Otsuka, M., Barlow, M.J., Gallagher, J.S., Wesson, R., Sugerman, B.E.K., Clayton, G.C., Meixner, M., Andrews, J.E., Welch, D.L., and Ercolano, B. 2011, MNRAS, 418, 1285

134. Surveying the Agents of Galaxy Evolution in the Tidally-Stripped, Low Metallicity Small Magellanic Cloud (SAGE-SMC). I. Overview

Gordon, K.D. et al. 2011, AJ, 142, 102

133. The Dust Properties of Hot R Coronae Borealis Stars and a Wolf-Rayet Central Star of a Planetary Nebula: in Search of a Possible Link

Clayton, G.C., De Marco, O., Whitney, B.A., Babler, B., Gallagher, J.S., Nordhau, J., Speck, A.K., Wolff, M.J., Freeman, W.R., Camp, K., Lawson, W.A., Roman-Duval, J., Misselt, K.A., Meade, M., Sonneborn, G., Matsuura, M., and Meixner, M. 2011, AJ, 142, 54

132. Evidence for Pre-Existing Dust in the Bright Type IIn SN 2010jl

Andrews, J.E. , Clayton, G.C., Wesson, R., Sugerman, B.E.K., Barlow, M.J.,Clem, J., Ercolano, B., Fabbri, J.,Gallagher, J.S., Landolt, A., Meixner, M.,Otsuka, M., Riebel, D., and Welch, D.L. 2011, AJ, 142, 45

131. Herschel Detects a Massive Dust Reservoir in Supernova 1987A

Matsuura, M., Dwek, E., Meixner, M., Otsuka, M., Babler, B., Barlow, M.J., Roman-Duval, J., Engelbracht, C., Sandstrom, K., Lakicevic, M., van Loon, J.Th., Sonneborn, G., Clayton, G.C., Long, K.S., Lundqvist, P., Nozawa1, T., Gordon, K.D., Hony, S., Okumura, K., Misselt, K.A., Montiel, E., Sauvage, M. 2011, Science, 333, 1258

130. Photometric and Spectroscopic Evolution of the IIP SN 2007IT to Day 944

Andrews, J.E., Sugerman, B.E.K., Gallagher, J.S., Clayton, G.C., Clem, J., Welch, D.L., Barlow, M.J., Ercolano, B., Fabbri, J., Wesson, R., Meixner, M., and Otsuka, M. 2011, ApJ, 731, 47

129. VLTI Observations of the Dust Geometry Around R Coronae Borealis Stars

Bright, S.N, Chesneau, O., Clayton G.C., De Marco, O., Leao, I.C., Nordhaus, J., and Gallagher, J. 2011, MNRAS, 414, 1195

128. Herschel Observations of a Newly Discovered UX Ori Star in the Large Magellanic Cloud

Clayton G.C., Sargent, B., Boyer, M., Whitney, B., van Loon, J. Th., Meixner, M., Tisserand, P., Engelbracht, C., Hony, S., Indebetouw, R., Misselt, K., Okumura, K., Panuzzo, P., Roman-Duval, J., Sauvage, M., Oliveira, J. M., Sewilo, M., and Churchwell, E. 2010, ApJ, 722, 1131

127. Herschel Inventory of The Agents of Galaxy Evolution (HERITAGE): the Large Magellanic Cloud dust

Meixner, M., Galliano, F., Hony, S., Roman-Duval, J., Robitaille, T., Panuzzo, P., Sauvage, M., Gordon, K., Engelbracht, C., Misselt, K., Okumura, K., Beck, T., Bernard, J. -P., Bolatto, A., Bot, C., Boyer, M., Bracker, S., Carlson, L. R., Clayton, G. C., Chen, C. -H. R., Churchwell, E., Fukui, Y., Galametz, M., Hora, J. L., Hughes, A., Indebetouw, R., Israel, F. P., Kawamura, A., Kemper, F., Kim, S., Kwon, E., Lawton, B., Li, A., Long, K. S., Marengo, M., Madden, S. C., Matsuura, M., Oliveira, J. M., Onishi, T., Otsuka, M., Paradis, D., Poglitsch, A., Riebel, D., Reach, W. T., Rubio, M., Sargent, B., Sewilo, M., Simon, J. D., Skibba, R., Smith, L. J., Srinivasan, S., Tielens, A. G. G. M., van Loon, J. Th., Whitney, B., and Woods, P. M. 2010, A&A, 518, L71

126. Cold Dust in Three Massive Evolved Stars in the LMC

M. L. Boyer, J. Th. van Loon, B. Sargent, S. Srinivasan, G. C. Clayton, F. Kemper, L. J. Smith, Paul M. Woods, M. Matsuura, M. Marengo, M. Meixner, C. Engelbracht, K. D. Gordon, S. Hony, R. Indebetouw, K. Misselt, K. Okumura, P. Panuzzo, D. Riebel, J. Roman-Duval, M. Sauvage, and G. Sloan 2010, A&A, 518, L142

125. SN 2007od: A Type IIP Supernova with Circumstellar Interaction

Andrews, J.E , Gallagher, J.S., Clayton, G.C., Chatelain, J.P., Clem, J., Sugerman, B.E.K., Welch, D.L., Ercolano, B., Barlow, M.J., and Meixner, M. 2010, ApJ, 715, 541

124. The destruction and survival of dust in the shell around SN 2008S

Wesson, R., Barlow, M. J., Ercolano, B., Andrews, J. E., Clayton, Geoffrey C., Fabbri, J., Gallagher, Joseph S., Meixner, M., Sugerman, B. E. K.,Welch, D. L. 2010, MNRAS, 403, 474

123. FUSE Measurements of Far-Ultraviolet Extinction. III. The Dependence on R(V) and Discrete Feature Limits from 75 Galactic Sightlines

Gordon, K.D., Clayton,G.C., and Cartledge, S.I.B. 2009, ApJ, 705, 1320

122. Do Hydrogen-deficient Carbon Stars have Winds?

Geballe, T.R., Rao, N.K., and Clayton, G.C. 2009, ApJ, 698, 735

121. Red Supergiants in the Andromeda Galaxy (M31)

Massey, P., Silva, D.R., Levesque, E.M., Plez, B., Olsen, K.A.G., Clayton,G.C., Meynet G., and Maeder, A. 2009, ApJ, 703, 420

120. V532 Oph is a New R Coronae Borealis Star

Clayton, G.C., Kilkenny, D., Wils, P., and Welch, D.L. 2009, PASP, 121, 461

119. A dense dusty disk around the born-again Sakurai’s object

Chesneau, O., Clayton, G.C., Lykou, F., De Marco, O., Hummel, C.A.,
Kerber, F., Lagadec, E., Nordhaus, J., Zijlstra, A.A., and Evans, A., 2009, A&A, 493, L17

118. The Dust-to-Gas Ratio in the Small Magellanic Cloud Tail

Gordon, K.D., Bot, C., Muller, E., Misselt, K.A., Bernard, J.-P., Reach, W., Engelbracht, C. W., Bracker, S., Block, M., Clayton, G.C., Hora, J., Indebetouw, R., Israel, F., Li, A., Madden, S., Meade, M., Meixner, M., Sewilo, M., Shiao, B., Smith, L., van Loon, J., and Whitney, B. 2009, ApJ, 690, L76

117. Interstellar Krypton Abundances: The Detection of Kiloparsec-scale Differences in Galactic Nucleosynthetic History

Cartledge, S.I.B., Lauroesch, J.T., Meyer, D.M., Sofia, U.J., and Clayton, G.C. 2008, ApJ, 687, 1043

116. An Extremely Bright Echo Associated With SN 2002hh

Welch, D.L., Clayton, G.C., Campbell, A., Barlow, M.J., Sugerman, B.E.K., Meixner, M., and Bank, S.H.R. 2007, ApJ, 669, 525

115. Diffuse Interstellar Bands and Interstellar Gas and Dust in the Small Magellanic Cloud

Cox, N.L.J., Cordiner, M.A., Ehrenfreund,P., Kaper,L., Sarre,P.J., Foing, B.H., Spaans,M., Cami, J.,
Sofia, U.J. , Clayton, G.C., Gordon, K.D., and Salama, F. 2007, A&A, 470, 941

114. Very Large Excesses of 18O in Hydrogen-Deficient Carbon and R Coronae Borealis Stars: Evidence for White Dwarf Mergers

Clayton, G.C., Geballe, T.R., Herwig, F., Fryer, C., and Asplund 2007, ApJ, 662, 1220

113. A Close look into the equatorial disk at the center of the planetary nebula CPD -56 8032

Chesneau, O., Collioud, A., De Marco, O., Wolf, S., Lagadec, E., Zijlstra, A.A., Rothkopf, Acker, A., Clayton,G.C. and Lopez, B. 2006, A&A, 455, 1009

112. V605 Aql: The Older Twin of Sakurai's Object

Clayton,G.C., Kerber, F., Pirzkal, N., De Marco, O., Crowther, P.A., and Fedrow, J.M. 2006, ApJ Letters, 646, L69

111. Massive-Star Supernovae as Major Dust Factories in the Early Universe

Sugerman, B.E.K, Ercolano, B., Barlow, M.J., Tielens, A. G. G. M., Clayton, G.C., Zijlstra, A.A., Meixner, M., Speck, A., Gledhill, T.M., Panagia, N., Cohen, M., Gordon, K.D., Meyer, M., Fabbri, J., Welch, D.L., Regan, M.W., and Kennicutt, Jr., R.C. 2006, Science, 313, 196

110. Searching for Past Outbursts of Recurrent Novae

Robinson, P.B., Clayton,G.C., and Schaefer, B.E. 2006, PASP, 118, 385

109. New Insights on the Complex Planetary Nebula Hen 2-113

Lagadec, E., Chesneau, O., Matsuura, M., De Marco, O., de Freitas Pacheco, J.A., Zijlstra, A.A., Acker, A., and Clayton, G.C. 2006, A&A, 448, 203

108. Probing the Dust Responsible for Small Magellanic Cloud Extinction

Sofia, U.J., Gordon, K.D., Clayton, G.C., Misselt, K., Wolff, M.J., Cox, N.L.J., and Ehrenfreund, P. 2006, ApJ, 636, 753

107. Protostars, Bok Globules, and a Herbig-Haro Object in the LMC Superbubble N51 D

Chu, Y.-H., Gruendel, R.A., Chen, C.-H.R., Whitney, B.A., Gordon, K.D., Looney, L.W. , Clayton, G.C., Dickel, J.R., Dunne, B.C., Points, S.D., Smith, R.C., and Williams, R.M. 2005, ApJ, 634, L189

106. The Reddening of Red Supergiants: When Smoke Gets in Your Eyes

Massey, P., Plez, B., Levesque, E.M., Olsen, K.A.G., Clayton,G.C., and Josselin, E. 2005, ApJ, 634, 1286

105. Application of Modern radiative Transfer Tools to Laboratory Quartz Emissivity

Pitman, K.M., Wolff, M.J., and Clayton, G.C. 2005, JGR, 110, E08003

104. Discovery of Five New R Coronae Borealis Stars in the MACHO Galactic Bulge Database

Zaniewski, A., Clayton,G.C., Welch, D.L., Gordon, K.D., Minniti, D. and Cook, K.H. 2005, AJ, 130, 2293

103. A Unique Dust Formation Episode in the SC-Type Star UY Cen

Steinfadt, J.D.R., Clayton, G.C., Lloyd Evans, T., and Williams, T. 2005, PASP, 117, 950

102. Measurements of Far Ultraviolet Extinction. II. Magellanic
Cloud Sight Lines

Cartledge, S.I.B., Clayton, G.C., Gordon, K.D.,Rachford, B.,Draine, B.T.,Martin, P.G., Mathis, J.S.,Misselt, K.A., Sofia, U.J., Whittet, D.C.B., and Wolff, M.J. 2005, ApJ, 630, 355

101. Detection of a Massive Dust Shell Around the Type II Supernova, 2002hh

Barlow, M.J., Sugerman, B. E. K., Fabbri1, J., Meixner, M., Fisher, R.S., Bowey, J.E.,
Panagia, N., Ercolano, B., Clayton, G.C., Cohen, M., Gledhill, T.M., Gordon, K.,
Tielens, A. G. G. M., and Zijlstra, A.A. 2005, ApJ, 627, L113

100. Detection of Near-IR CO Absorption Bands in R Coronae Borealis Stars

Tenenbaum, E.D., Clayton, G.C., Asplund, M., Engelbracht, C.W., Gordon, K.D., Hanson, M.M., Rudy, R.J., Lynch, D.K., Mazuk, S., Venturini, C.C., and Puetter, R.C. 2005, AJ, 130, 256

99. Photometry of SK -69 202, the Progenitor of SN 1987A, from 1896 to 1954

Plotkin, R.M., and Clayton, G.C. 2005, JAAVSO, 32, 89

98. FUSE Measurements of Far-Ultraviolet Extinction. I. Galactic Sight Lines

Sofia, U.J., Wolff, M.J., Rachford, B., Gordon, K.D., Clayton, G.C., Cartledge, S.I.B., Martin, P.G., Draine, B.T., Mathis, J.S., Snow, T.P., and Whittet, D.C.B. 2005, ApJ, 625, 167

97. Difficulties in Calculating Extinction Curves for Lensing Galaxies

McGough, C., Clayton, G.C., Gordon, K.D., and Wolff, M.J. 2005, ApJ, 624, 118

96. An Extremely Large Excess of 18O in the Hydrogen-Deficient Carbon Star, HD 137613

Clayton, G.C., Herwig, F., Geballe, T.R, Aslpund, M., Tenenbaum, E.D., Engelbracht, C.W., and Gordon, K.D. 2005, ApJ, 623, L141

95. Ultraviolet Extinction Properties in the Milky Way
Valencic, L.A., Clayton, G.C., and Gordon, K.D. 2004, ApJ, 616, 912

94. Does the 3.3 Micron PAH Emission Feature Require UV Excitation?

Smith, T.L., Clayton, G.C, and Valencic, L.A. 2004, AJ, 128, 357

93. Interstellar Polarization in M31

Clayton, G.C., Wolff, M.J., Gordon, K.D., Smith, P.S., Nordsieck, K.H., and Babler, B.L. 2004, AJ, 127, 3382

92. The Ultraviolet Extinction Curve of Intra-Clump Dust in Taurus (TMC-1): Constraints on the 2175 Å Bump Absorber
Whittet, D.C.B., Shenoy, S.S., Clayton, G.C., and Gordon, K.D. 2004, ApJ, 602, 291

91. SMC-Type Interstellar Dust in the Milky Way
Valencic, L.A., Clayton, G.C., Gordon, K.D., and Smith, T.L. 2003, ApJ, 598, 369

90. The Newly Active R Coronae Borealis Star, V2552 Oph
Hesselbach, E., Clayton, G.C., and Smith, P. 2003, PASP, 115, 1301

89. Winds in R Coronae Borealis Stars
Clayton, G.C., Geballe, T.R, and Bianchi, L. 2003, ApJ, 595, 412

88. Ultraviolet to Near-Infrared Dust Extinction Curves in the Magellanic Clouds:
Evidence for Milky Way-like Dust

Gordon, K.D., Clayton, G.C., Misselt, K. A., Landolt, A.U., and Wolff, M.J. 2003, ApJ, 594, 279

87.  The Role of Polycyclic Aromatic Hydrocarbons in Ultraviolet Extinction. I. Probing Small Molecular PAHs
Clayton, G.C., Gordon, K.D., Salama, F., Allamandola, L.J., Martin, P.G., Snow, T.P., Whittet, D.C.B., Witt, A.N., and Wolff, M.J. 2003, ApJ, 592, 947

86. Dust Grain-Size Distributions From MRN to MEM
Clayton, G.C., Wolff, M.J., Sofia, U.J., Gordon, K.D., and Misselt, K.A. 2003, ApJ, 588, 871

85. Freshly ionized matter around the final Helium shell flash object
V4334 Sgr (Sakurai's object)

Kerber, F., Pirzkal, N., De Marco, O., Asplund, M., Clayton, G.C., and Rosa, M.R. 2002, ApJ, 581, L39

84.  A New Database of Observed Spectral Energy Distributions of Nearby Starburst Galaxies from the UV to the Far-IR
Wu, W., Clayton, G.C., Gordon, K.D.,  Misselt, K. A., Smith, T.L., and Calzetti, D. 2002, ApJS, 143, 377

83. ES Aql is an R Coronae Borealis Star
Clayton, G.C., Hammond, D., Lawless, J., Kilkenny, D., Lloyd Evans, T., Mattei, J, and Landolt, A.U.  2002, PASP, 114, 846

82. What Are The Hot R Coronae Borealis Stars?
De Marco, O., Clayton, G.C., Herwig, F., Pollacco, D.L., Clark, J.S., and Kilkenny, D. 2002, AJ, 123, 3387

81. SwSt 1: an O-rich planetary nebula around a C-rich central star
De Marco, O., Crowther, P.A., Barlow, M.J., Clayton, G.C., and de Koter, A. 2001, MNRAS, 328, 527

80. Long-Slit Observations of Extended C II 1335 Emission Around V854 Centauri
and RY Sagittarii
Clayton, G.C., and Ayres, T.R. 2001, ApJ, 560, 986

79.  The MACHO Project LMC Variable Star Inventory: X. The R Coronae Borealis
Alcock, C., Allsman, R.A., Alves, D.R., Axelrod, T.S., Becker, A., Bennett, D.P., Clayton, G.C., Cook, K.H.,  Dalal, N., Drake, A.J., Freeman, K.C., Geha, M., Gordon, K.D., Griest, K., Kilkenny, D., Lehner, M.J., Marshall, S.L., Minniti, D., Misselt, K.A., Nelson, C.A., Peterson, B.A., Popowski, P.,  Pratt, M.R., Quinn. P.J., Stubbs, C.W., Sutherland, W., Tomaney, A., Vandehei, T., and  Welch, D.L. 2001, ApJ, 554, 298

78. The Dirty Model II. Self-Consistent Treatment of Dust Heating and Emission in a
3-D Radiative Transfer Code
Misselt, K. A., Gordon, K.D., Clayton, G.C., and Wolff, M.J. 2001, ApJ, 551, 277

77. The Dirty Model I. Monte Carlo Radiative Transfer Through Dust
Gordon, K.D.,  Misselt, K. A.,  Witt, A., and Clayton, G.C. 2001, ApJ, 551, 269

76. Dust Emission Features in NGC 7023 between 0.35 and 2.5 microns: Extended
Red Emission (0.7 micron) and Two New Emission Features (1.15 and 1.5 microns)
Gordon, K.D., Witt, A., Rudy, R.J., Puetter, R.C, Lynch, D.K., Mazuk, S., Misselt, K. A. , Clayton, G.C., and Smith, T.L. 2000, ApJ, 544, 859

75. Magellanic-Cloud-Type Interstellar Dust Along Low Density Sightlines
in the Galaxy
Clayton, G.C., Gordon, K.D., and Wolff, M.J. 2000, ApJS, 129, 147

74. The 2175 Angstrom Extinction Bump in QSO Spectra
Pitman, K.M, Clayton, G.C., and Gordon, K.D. 2000, PASP, 112, 537

73. The Flux Ratio Method for Determining the Dust Attenuation of
Starburst Galaxies
Gordon, K.D., Clayton, G.C., Witt, A., and Misselt, K. A. 2000, ApJ, 533, 236

72. Optical Long Slit Spectroscopy of a Sample of Spiral Galaxies
Misselt, K.A., Clayton, G.C., and Gordon, K.D. 1999, PASP, 111, 1398

71. The Ever Changing Circumstellar Shell Around UW Centauri
Clayton, G.C., Kerber, F., Gordon, K.D., Lawson, W.A, Wolff, M.J., Pollacco, D.L., and Furlan, E.
1999, ApJ Letters, 517, L143

70.  The fall and rise of V854 Centauri: long-term ultraviolet
spectroscopy of a highly-active R Coronae Borealis star
Lawson, W.A., Maldoni, M.M., Clayton, G.C., Valencic, L., Jones, A.F., Kilkenny, D., van Wyk, F.,
Roberts, G., and Marang, F. 1999, AJ, 117, 3007

69.  Dust Formation Above Cool Magnetic Spots in Evolved Stars
Soker, N. and Clayton, G.C. 1999, MNRAS, 307, 993

68. The Dusty Starburst Nucleus of M33
Gordon, K.D., Hanson, M.M., Clayton, G.C., Rieke, G.H., and Misselt, K.A. 1999, ApJ, 519, 165

67. First Observations of an R~Coronae Borealis Star with the Space Telescope
Imaging Spectrograph: RY Sagittarii near Maximum Light
Clayton, G.C., Ayres, T.R., Lawson, W.A., Drilling, J.S., Woitke, P., and Asplund, M. 1999,
ApJ, 515, 351

66. A Re-Analysis of the Ultraviolet Extinction from Interstellar Dust in the
Large Magellanic Cloud
Misselt, K.A., Clayton, G.C., and Gordon, K.D. 1999, ApJ, 515, 128

65. Ultraviolet Interstellar Linear Polarization V. Analysis of the
Final Dataset
Martin, P.G., Clayton, G.C., and Wolff, M.J. 1999, ApJ, 510, 905

64. A Search for an Emission Line Region in the Hydrogen Deficient Carbon
Star, HD 182040
Brunner, A.R., Clayton, G.C., and Ayres, T.R. 1998, PASP, 110, 1412

63. Modeling Fluffy and Composite Dust Grains: II. Porosity and Phase Functions
Wolff, M. J., Clayton, G. C., and Gibson, S.J. 1998, ApJ, 503, 815

62. Ultraviolet Observations of the Hot R Coronae Borealis Type Star, V348 Sagittarii, During a Deep Minimum
Hecht, J.H., Clayton, G.C., Drilling, J.S., and Jeffery, C.S. 1998, ApJ, 501, 813

61. Starburst-Like Dust Extinction in the Small Magellanic Cloud
Gordon, K.D. and Clayton, G.C. 1998, ApJ, 500, 816

60. The Spectroscopic Orbit of the Evolved Binary HD 197770
Gordon, K.D., Clayton, G.C., Smith, T.L., Aufdenberg, J.P., Drilling, J.S., Hanson, M.M.,
Anderson, C.M., and Mullis, C.L. 1998, AJ, 115, 2561

59. Polarimetry of the LMC X-Ray Binary A0538-66 During an ON/OFF Transition
in 1991
Misselt, K.A., Clayton, G.C., and Schulte-Ladbeck, R.E. 1998, PASP, 110, 396

58. Molecular Hydrogen in the Large Magellanic Cloud
Gunderson, K.S., Clayton, G.C., and Green, J.C. 1998, PASP, 110, 60

57. The Evolution of the Final Helium Shell Flash Star V605 Aquilae, from 1917 to 1997
Clayton, G. C., and De Marco, O. 1997, AJ, 114, 2679

56. Ultraviolet Interstellar Linear Polarization. IV. Cross-Calibration Between the Wisconsin Ultraviolet Photo-Polarimeter Experiment and the Faint Object Spectrograph
Clayton, G.C., Wolff, M.J., Allen, R.G., Babler, B.L., Meade, M.R., Nordsieck, K.H., Anderson, C.M., Martin, P.G. and Whittet, D.C.B. 1997, AJ, 114, 1132

55. Ultraviolet Spectropolarimetry of Three Classical Novae Early in Outburst: Evidence for Aspherical Shells
Johnson, J.J., Anderson, C.M., Bjorkman, K.S., Code, A.D., Fox, G.K., Weitenbeck, A.J., Sanders, W., Babler, B.L., Meade, M.R., Zellner, N.E.B., Edgar, R.J., Magalhaes, A.M., Clayton, G.C., Schulte-Ladbeck, R.E., and Lupie, O.L. 1997, AJ, 113, 2200

54. Ultraviolet Interstellar Linear Polarization: III. Features
Wolff, M.J., Clayton, G.C., Kim, S.H., Martin, P.G., and Anderson, C.M. 1997, Ap.J., 478, 395

53. Evidence for a Bipolar Geometry in R Coronae Borealis?
Clayton, G.C., Bjorkman, K.S., Nordsieck, K.H., Zellner, N.E.B., and Schulte-Ladbeck, R.E. 1997, Ap.J., 476, 870

52. The Ultraviolet Extinction Curve for Circumstellar Dust formed in the Hydrogen-Poor Environment of V348 Sagittarii
Drilling, J.S., Hecht, J.H., Clayton, G.C., Mattei, J.A., Landolt, A.U., and Whitney, B.A. 1997, ApJ, 476, 865

51. UV Extinction by Interstellar Dust in External Galaxies: M31
Bianchi, L., Clayton, G.C., Hutchings, J.B., Massey, P., and Bohlin, R.C. 1996, Ap.J., 471, 203

50. The MACHO Project LMC Variable Star Inventory: IV. New R Coronae Borealis Stars
Alcock, C., Allsman, R.A., Alves, D.R., Axelrod, T.S., Becker, A., Bennett, D.P., Clayton, G.C., Cook, K.H., Freeman, K.C., Griest, K.,Guern, J.A., Kilkenny, D., Lehner, M.J., Marshall, S.L., Minniti, D., Peterson, B.A., Pratt, M.R., Quinn, P.J., Rodgers, A.W., Stubbs, C.W., Sutherland, W., Welch, D.L. (The MACHO Collaboration) 1996, Ap.J, 470, 583

49. Confirmation of Eclipses in HR 7940 (HD 197770), a Reddened B2 III Star
Clayton, G.C. 1996, P.A.S.P., 108, 401

48. The R Coronae Borealis Stars
Clayton, G.C. 1996, P.A.S.P., 108, 225

47. Astro-2 Observations of Interstellar Dust and Gas in the Large Magellanic Cloud
Clayton, G.C., Green, J., Wolff, M.J., Zellner, N.E.B., Code, A.D., and Davidsen, A.F. 1996, Ap.J., 460, 313.

46. High Resolution Coronographic Imaging and Spectropolarimetry of the HR Car Nebula
Clampin, M., Schulte-Ladbeck, R.E., Nota, A., Robberto, M., Paresce, F., and Clayton, G.C. 1995, A.J., 110, 251.

45. Long Term Spectroscopic and Polarimetric Monitoring of R Coronae Borealis Near Maximum Light
Clayton, G.C., Whitney, B.A., Meade, M.R., Babler, B., Bjorkman, K.S. and Nordsieck, K.H. 1995, P.A.S.P., 107, 416.

44. A Mid-Infrared Search for C60 in R Coronae Borealis Stars and IRC +10216
Clayton, G.C., Kelly, D.M., Lacy, J.H., Little-Marenin, I.R., Feldman, P.A.and Bernath, P.F. 1995, A.J., 109, 2096.

43.Ultraviolet Linear Interstellar Polarization II. The Wavelength Dependence
Clayton, G. C., Wolff, M. J., Allen, R. and Lupie, O. L. 1995, Ap.J., 445, 947.

42. An Ultraviolet and Visible Spectroscopic Study of a Pulsational Cycle of RY Sgr
Clayton, G.C., Lawson, W.A., Cottrell, P.L., Whitney, B.A., Stanford, S.A., and de Ruyter, F. 1994, Ap.J., 432, 785.

41. Z UMi - A New R Coronae Borealis Star
Benson, P.J., Clayton, G.C., Garnavich, P., Szkody, P. 1994, A.J., 108, 247.

40. The Axisymmetric Stellar Wind of AG Car
Schulte-Ladbeck, R.E., Clayton, G.C., Hillier, D.J., Harries, T.J., and Howarth, I.D. 1994, Ap.J., 429, 846.

39. Modeling Composite and Fluffy Grains: The Effects of Porosity.
Wolff, M.J., Clayton, G.C., Martin, P.G., and Schulte-Ladbeck, R.E. 1994, Ap.J., 423, 412.

38. High Velocity Spectral Features in V854 Centauri: Evidence for Dust Formation?
Clayton, G.C., Lawson, W.A., Whitney, B.A., and Pollacco, D.L. 1993, M.N.R.A.S., 264, L13.

37. Interstellar Extinction Toward the Cas OB6 Association: Where is the Dust?
Hanson, M.M., and Clayton, G.C. 1993, A.J., 106, 1947.

36. Spectrum of the `Invisible' Companion of Z CMa (Revealed in Polarized Light).
Whitney, B.A., Clayton, G.C., Schulte-Ladbeck, R.E., Calvet, N., Hartmann, L., and Kenyon, S.J. 1993, Ap.J., 417,687.

35. Long Term Variations in Dust Production in R CrB.
Clayton, G.C., Whitney, B.A., and Mattei, J. 1993, P.A.S.P., 105, 832.

34. Wind Variability in the LMC B[e] Supergiant HD 34664.
Schulte-Ladbeck, R.E., and Clayton, G.C. 1993, A.J., 106, 790.

33. Ultraviolet Spectropolarimetry of the Be Star PP Car with WUPPE.
Bjorkman, K.S., Meade, M.R., Nordsieck, K.H., Anderson, C.M., Babler, B.L., Clayton, G.C., Code, A.D., Magalhaes, A.M., Schulte-Ladbeck, R.E., Taylor, M., and Whitney, B.A. 1993, Ap.J., 412, 810.

32. A New Luminous Blue Variable: R143 in 30 Doradus.
Parker, J.W., Clayton, G.C., Winge, C., and Conti, P.S. 1993, Ap.J.., 409, 770.

31. A New Look at the Dust Toward s Scorpii and o Per with IUE.
Clayton, G.C., and Hanson. M.M. 1993, A.J., 105,1880.

30. The Asymmetric Wind of R 127.
Schulte-Ladbeck, R.E., Leitherer, C., Clayton, G.C., Robert, C., Meade, M.R., Drissen, L., Nota, A., and Schmutz, W. 1993, Ap.J., 407, 723.

29. The First Ultraviolet Spectropolarimetric Study of NGC 1068.
Code, A.D., Anderson, C.M., Nordsieck, K.H., Clayton, G.C., Whitney, B.A., Meade, M.R., Babler, B., Bjorkman, K.S., Schulte-Ladbeck, R.E., Taylor, M., and Magalhaes, A.M. 1993, Ap.J. (Letters), 403, L63.

28. Ultraviolet Interstellar Linear Polarization: I. Applicability of Current Dust Grain Models.
Wolff, M.J., Clayton, G.C., and Meade, M.R. 1993, Ap.J., 403, 722.

27. Evidence for a Bipolar Nebula Around the Peculiar B[e] Star HD 45677 from Ultraviolet Spectropolarimetry.
Schulte-Ladbeck, R.E., Shepherd, D.S., Nordsieck, K.H., Code, A.D., Anderson, C.M., Babler, B.L., Bjorkman, K.S., Clayton, G.C., Magalhaes, A.M., Meade, M.R., Taylor, M., and Whitney, B.A. 1992, Ap.J. (Letters), 401, L105.

26. Observations of R Coronae Borealis Stars in Decline: Empirical Arguments for Dust Formation Near the Stellar Surface.
Clayton, G.C., Whitney, B.A., Stanford, S.A., and Drilling, J. 1992, Ap.J., 397, 652.

25. The First Linear Polarization Spectra of Wolf-Rayet Stars in the Ultraviolet - EZ Canis Majoris and Theta Muscae.
Schulte-Ladbeck, R.E., Nordsieck, K.H., Code, A.D., Anderson, C.M., Babler, B.L., Bjorkman, K.S., Clayton, G.C., Magalhaes, A.M., Meade, M.R., Shepherd, D., Taylor, M., and Whitney, B.A. 1992, Ap.J. (Letters), 391, L37.

24. Spectropolarimetry of V854 Centauri at Minimum Light: Clues to the Geometry of the Dust and Emission Line Region.
Whitney, B.A., Clayton, G.C., Schulte-Ladbeck, R.E., and Meade, M.R. 1992, A.J., 103, 1652.

23. The First Spectropolarimetry of the Wavelength Dependence of Interstellar Polarization in the Ultraviolet.
Clayton, G.C., Anderson, C.M., Magalhaes, A.M., Code, A.D., Nordsieck, K.H., Meade, M.R., Wolff, M., Babler, B., Bjorkman, K., Schulte-Ladbeck, R.E., Taylor, M., and Whitney, B.A. 1992, Ap.J. Letters, 385, L53.

22. The Unusual Ultraviolet Chromospheric Spectrum of the R Coronae Borealis Star, V854 Centauri (NSV 6708), at Minimum Light.
Clayton, G.C., Whitney, B.A., Stanford, S.A., Drilling, J.S., and Judge, P.G. 1992, Ap.J. Letters, 384, L19.

21. First Ultraviolet Spectropolarimetry of Be Stars from WUPPE.
Bjorkman, K.S., Nordsieck, K.H., Code, A.D., Anderson, C.M., Babler, B.L., Clayton, G.C., Magalhaes, A.M., Meade, M.R., Nook, M.A., Schulte-Ladbeck, R.E., Taylor, M., and Whitney, B.A. 1991, Ap.J. Letters, 383, L67.

20. First Ultraviolet Spectropolarimetry of Hot Supergiants.
Taylor, M., Code, A.D., Nordsieck, K.H., Anderson, C.M., Babler, B.L., Clayton, G.C., Magalhaes, A.M., Meade, M.R., Schulte-Ladbeck, R.E., and Whitney, B.A. 1991, Ap.J. Letters, 382, L85.

19. A Model for R Coronae Borealis Stars.
Whitney, B.A., Soker, N., and Clayton, G.C. 1991, A.J., 102, 284.

18. Absolute Extinction and the Influence of Environment: Dark Cloud Sight Lines Toward VCT 10, 30, and Walker 67.
Cardelli, J.A., and Clayton, G.C. 1991, A.J., 101,1021.

17. Polarimetric Analysis of Mass Transfer in the X-ray Transient A0538-66.
Clayton, G.C., Brown, J.C., Thompson, I.B., and Fox, G.K. 1989, M.N.R.A.S., 236, 901.

16. The Slow Nova V1819 Cygni (Nova Cygni 1986).
Whitney, B.A., and Clayton, G.C. 1989, A.J., 98, 297.

15. The Relationship Between Infrared, Optical, and Ultraviolet Extinction.
Cardelli, J.A., Clayton, G.C., and Mathis, J.S. 1989, Ap.J., 345, 245.

14. The Determination of Ultraviolet Extinction from the Optical and Near-Infrared.
Cardelli, J.A., Clayton, G.C., and Mathis, J.S. 1988, Ap.J. (Letters), 329, L33.

13. On the Relationship Between Optical Polarization and Extinction.
Clayton, G.C., and Mathis, J.S. 1988, Ap.J., 327, 911.

12. Polarization and the Ratio of Total-to-Selective Extinction
Clayton, G.C., and Cardelli, J.A. 1988, A.J., 96, 695.

11. An Environmental Impact Study of Orion Nebular Dust
Cardelli, J.A., and Clayton, G.C. 1988, A.J., 95, 516.

10. R Coronae Borealis Dust Ejections: A Preferred Plane?
Stanford, S.A., Clayton, G.C., Meade, M.R., Nordsieck, K.H., Whitney, B.A., Murison, M.A., Anderson, C.M., and Nook, M.A. 1988, Ap.J. (Letters), 325, L9.

9. Anomalous Dust in the Open Cluster, Trumpler 37.
Clayton, G.C., and Fitzpatrick, E.L. 1987, A.J., 93, 157.

8. Interstellar Dust in the Large Magellanic Cloud.
Clayton, G.C., and Martin, P.G. 1985, Ap.J., 288, 558.

7. Coordinated Multisite Observations of the Variability of BL Lac.
Brindle, C., Hough, J.H., Bailey, J.A., Axon, D.J., Schulz, H., Kikuchi, S., McGraw, J.T., Wisniewski, W.J., Fontaine, G., Nadeau, D., Clayton, G., Anderson, E., Jameson, R.F., Smith, R., and Wallis, R.E. 1985, M.N.R.A.S., 214, 619.

6. The Wavelength Dependence of Interstellar Polarization in the Large Magellanic Cloud.
Clayton, G.C., Martin, P.G., and Thompson, I. 1983, Ap.J., 265, 194.

5. Polarization of the Central Star of a Recently Discovered Reflection Nebula in Centaurus.
Clayton, G.C., and Thompson, I. 1983, M.N.R.A.S., 203, 195.

4. Optical Polarization Observations of the X-Ray Transient A0538-66.
Clayton, G.C., and Thompson, I. 1982, Ap.J.(Letters), 254, L7.

3. The Noise of BL Lacertae.
Moore, R., McGraw, J., Angel, J.R.P., Duerr, R., Lebofsky, M.J., Rieke, G.H., Wisniewski, W.Z., Axon, D.J., Bailey, J., Hough, J.M., Thompson, I., Breger, M., Schulz, H., Clayton, G.C., Martin, P.G., Miller, J.S., Schmidt, G.D., Africano, J., and Miller, H.R. 1982, Ap.J., 260, 415.

2. On the Intrinsic Polarization of Red Dwarfs.
Clayton, G.C., and Martin, P.G. 1981, A.J., 86, 1518.

1. Circular and Linear Polarization of A-type Shell Stars.
Clayton, G.C., and Marlborough, J.M. 1980, Ap.J., 242, 165.