Henry Roe

First-Author Refereed Publications

Geographic control of Titan's mid-latitude clouds
H.G. Roe, M.E. Brown, E.L. Schaller, A.H. Bouchez, and C.A. Trujillo
2005, Science, 310, 477-479 (Link to electronic journal article) (Link to ADS entry)

Discovery of temperate latitude clouds on Titan
H.G. Roe, A.H. Bouchez, C.A. Trujillo, E.L. Schaller, and M.E. Brown
2005, ApJL, 618, 49-52 (Link to electronic journal) (Link to ADS entry)

A new 1.6 micron map of Titan's surface
H.G. Roe, I. de Pater, S.G. Gibbard, B.A. Macintosh, C.E. Max, E.F. Young, M.E. Brown, and A.H. Bouchez
2004, Geophysical Research Letters, Vol. 31, No. 17, L17S03 (Link to electronic journal)

Seasonal variation of Titan's stratospheric ethylene (C2H4) observed
H.G. Roe, I. de Pater, and C.P. McKay
2004, Icarus, 169, 440-461 (Link to ADS entry)

Propane on Titan
H.G. Roe, T.K. Greathouse, M.J. Richter, and J.H. Lacy
2003, ApJL, 597, 65-68 (Link to electronic journal) (Link to ADS entry)

Titan's Clouds from Gemini and Keck Adaptive Optics Imaging
Henry G. Roe, Imke de Pater, Bruce A. Macintosh, and Chris P. McKay
2002, ApJ, 581, 1399-1406 (Link to electronic journal) (Link to ADS entry)

Implications of Atmospheric Differential Refraction for Adaptive Optics Observations
Henry G. Roe
2002, PASP, 114, 450-461 (Link to electronic journal) (Link to ADS entry) (Link to ADR page and code download)

Titan's Atmosphere in Late Southern Spring Observed with Adaptive Optics on the W. M. Keck II 10-meter Telescope
Henry G. Roe, Imke de Pater, Bruce A. Macintosh, Seran G. Gibbard, Claire E. Max, and Chris P. McKay
2002, Icarus, 157, 254-258 (Link to ADS entry)

Near-Infrared Observations of Neptune's Tropospheric Cloud Layer with the Lick Observatory Adaptive Optics System
Henry G. Roe, Donald Gavel, Claire Max, Imke de Pater, Seran Gibbard, and Bruce Macintosh
2001, AJ, 122, 1636-1643 (Link to electronic journal) (Link to ADS entry)

The Altitude of an Infrared Bright Cloud Feature on Neptune from Near-Infrared Spectroscopy
Henry G. Roe, James R. Graham, Ian S. McLean, Imke de Pater, E. E. Becklin, Donald F. Figer, Andrea M. Gilbert, James E. Larkin, N. A. Levenson, Harry I. Teplitz, and Mavourneen K. Wilcox
2001, AJ, 122, 1023-1029 (Link to electronic journal) (Link to ADS entry)

Other Refereed Publications

Spatially-resolved spectroscopy at 1.6 mum of Titan's atmosphere and surface
çd‡mkovics, M., I. de Pater, H. G. Roe, S. G. Gibbard, and C. A. Griffith
2004, Geophysical Research Letters, 31, 7- 2004GeoRL..31.7S05A

Titan's 2 mum surface albedo and haze optical depth in 1996-2004
Gibbard, S. G., I. de Pater, B. A. Macintosh, H. G. Roe, C. E. Max, E. F. Young, and C. P. McKay
2004, Geophysical Research Letters, 31, 7- 2004GeoRL..31.7S02G

Speckle imaging of Titan at 2 microns: surface albedo, haze optical depth, and tropospheric clouds 1996-1998
Gibbard, S. G., B. Macintosh, D. Gavel, C. E. Max, I. de Pater, H. G. Roe, A. M. Ghez, E. F. Young, and C. P. McKay
2004, Icarus, 169, 429-439 2004Icar..169..429G

Keck AO observations of Io in and out of eclipse
de Pater, I., F. Marchis, B. A. Macintosh, H. G. Roe, D. Le Mignant, J. R. Graham, and A. G. Davies
2004, Icarus, 169, 250-263 2004Icar..169..250D

The altitude of Neptune cloud features from high-spatial-resolution near-infrared spectra
Gibbard, S. G., I. de Pater, H. G. Roe, S. Martin, B. A. Macintosh, and C. E. Max
2003, Icarus, 166, 359-374 2003Icar..166..359G

Cloud Structures on Neptune Observed with Keck Telescope Adaptive Optics
Max, C. E., B. A. Macintosh, S. G. Gibbard, D. T. Gavel, H. G. Roe, I. de Pater, A. M. Ghez, D. S. Acton, O. Lai, P. Stomski, and P. L. Wizinowich
2003, Astronomical Journal, 125, 364-375 2003AJ....125..364M

Keck Adaptive Optics Images of Uranus and Its Rings
de Pater, I., S. G. Gibbard, B. A. Macintosh, H. G. Roe, D. T. Gavel, and C. E. Max
2002, Icarus, 160, 359-374 2002Icar..160..359D

High-Resolution Keck Adaptive Optics Imaging of Violent Volcanic Activity on Io
Marchis, F., I. de Pater, A. G. Davies, H. G. Roe, T. Fusco, D. Le Mignant, P. Descamps, B. A. Macintosh, and R. PrangŽ
2002, Icarus, 160, 124-131 2002Icar..160..124M

NOTE: Detection of the Forbidden SO a1Delta-->X3Sigma- Rovibronic Transition on Io at 1.7 mum
de Pater, I., H. Roe, J. R. Graham, D. F. Strobel, and P. Bernath
2002, Icarus, 156, 296-301 2002Icar..156..296D

High-Resolution Infrared Imaging of Neptune from the Keck Telescope
Gibbard, S. G., H. Roe, I. de Pater, B. Macintosh, D. Gavel, C. E. Max, K. H. Baines, and A. Ghez
2002, Icarus, 156, 1-15 2002Icar..156....1G

Neutron-Capture Elements in the Early Galaxy: Insights from a Large Sample of Metal-poor Giants
Burris, D. L., C. A. Pilachowski, T. E. Armandroff, C. Sneden, J. J. Cowan, and H. Roe
2000, Astrophysical Journal, 544, 302-319 2000ApJ...544..302B

An FTIR Study of the Adsorption of SO$_{2}$ on n-Hexane Soot from -130$^{\circ}$C to -40$^{\circ}$C
B.G. Koehler, V.T. Nicholson, H.G. Roe, E.S. Whitney
1999, Journal of Geophysical Research: Atmospheres, Volume 104, pp. 5507-5514.

Middle-atmospheric Doppler lidar using an iodine-vapor edge filter
J.S. Friedman, C.A. Tepley, P.A. Castleberg, H. Roe
1997, Optics Letters, Volume 22, pp. 1648-1650. (Go to abstract.) (Get PDF version of paper.)
(Note, these links may not be available from all locations.)

First-Author Proceedings and other unrefereed publications

An FT-IR study of the interactions of sulfur dioxide and soot from -100°C to -150°C
H.G. Roe
1997, Senior thesis in the Chemistry Department of Williams College. (Go to library reference.)

A Preliminary Color-Magnitude Diagram for the Old Open Cluster NGC 6939
Henry Roe
Proceedings of the 1994 Undergraduate Symposium on Research in Astronomy, held at Wesleyan University, Middletown, CT, 28-29 October, 1994. Edited by Priscilla J. Benson, John J. Salzer, and John E. Gaustad, 1994., p.60. (Go to ADS entry)

Other Proceedings and unrefereed publications

Neptune and Titan observed with Keck Telescope adaptive optics
Claire E. Max, Bruce A. Macintosh, Seran Gibbard, Donald T. Gavel, Henry Roe, Imke de Pater, Andrea M. Ghez, Scott Acton, Peter L. Wizinowich, Olivier Lai
2000, Proc. SPIE Vol. 4007, p. 803-810, Adaptive Optical Systems Technology, Peter L. Wizinowich; Ed. (Go to ADS entry)

IAU Circ., 7588, 1 (2001) Discovery and confirmation of satellite to (87) Sylvia
M. E. Brown, J. L. Margot, I. de Pater, H. Roe
(Go to IAU circular.)

IAU Circ., 7588, 2 (2001) Volcanic outburst on Io
I. de Pater, F. Marchis, H. Roe, B. Macintosh, S. Acton, D. Le Mignant
(Go to IAU circular.)

First-Author Conference Presentations

Discovery of temperate latitude clouds on Titan
Roe, H. G., E. L. Schaller, M. E. Brown, C. A. Trujillo, and A. H. Bouchez
2004, AAS/Division for Planetary Sciences Meeting, 36 2004DPS....36.0607R

Propane on Titan
Roe, H. G., T. K. Greathouse, M. J. Richter, and J. H. Lacy
2003, AAS/Division for Planetary Sciences Meeting, 35 2003DPS....35.1201R

South polar clouds on Titan imaged with adaptive optics on the Gemini and Keck telescopes
Roe, H. G., I. de Pater, B. A. Macintosh, and C. P. McKay
2002, Bulletin of the American Astronomical Society, 34 2002DPS....34.2208R

Observations of the Spatial Distribution of Ethylene (C2H4) on Titan
Roe, H. G., I. de Pater, and C. P. McKay
2001, Bulletin of the American Astronomical Society, 33 2001DPS....33.5303R

Near- and mid-Infrared Resolved Imaging of Titan's Atmosphere
Roe, H. G., I. de Pater, S. G. Gibbard, B. Macintosh, C. E. Max, and C. P. McKay
2000, Bulletin of the American Astronomical Society, 32 2000DPS....32.1703R

Near-Infrared Spectroscopic Investigation of Neptune's Hazes and Storms at the Keck Telescope
Roe, H., J. R. Graham, I. de Pater, S. Gibbard, B. Macintosh, C. Max, K. Baines, A. M. Gilbert, I. S. McLean, E. E. Becklin, D. F. Figer, J. E. Larkin, N. A. Levenson, H. I. Teplitz, M. K. Wilcox, and NIRSPEC Team
1999, AAS/Division for Planetary Sciences Meeting, 31 1999DPS....31.5109R

Barium Abundances in Metal Poor Giants
Roe, H. G., C. Pilachowski, and T. Armandroff
1994, Bulletin of the American Astronomical Society, 26 1994AAS...18510103R

A Preliminary Color-Magnitude Diagram for the Old Open Cluster NGC 6939
Roe, H.
1994, Proceedings of the 1994 Undergraduate Symposium on Research in Astronomy, 1994usra.conf...60R

(Talks given at workshops/conferences not listed in NASA/ADS are not listed.)

Other Conference Presentations

Groundbased near-IR spectroscopy of Jupiter's main ring
Wong, M. H., I. de Pater, H. G. Roe, and M. R. Showalter
2004, AAS/Division for Planetary Sciences Meeting, 36 2004DPS....36.0711W

Continuous Monitoring of Titan for Large Cloud Outbursts
Schaller, E. L., M. E. Brown, A. H. Bouchez, H. G. Roe, and C. A. Trujillo
2004, AAS/Division for Planetary Sciences Meeting, 36 2004DPS....36.0609S

Adaptive Optics imaging of small cloud features on Neptune: zonal wind variability and detections of oscillations in longitude
Martin, S. C., I. de Pater, S. G. Gibbard, P. Marcus, H. G. Roe, B. A. Macintosh, and C. E. Max
2004, AAS/Division for Planetary Sciences Meeting, 36 2004DPS....36.0505M

Keck Adaptive Optics Observations of Neptune's Ring and Satellite Keck Adaptive Optics Observations of Neptune's Ring and Satellite System
de Pater, I., S. Gibbard, S. Martin, F. Marchis, H. G. Roe, and B. Macintosh
2003, AAS/Division for Planetary Sciences Meeting, 35 2003DPS....35.2002D

Monitoring Io volcanic activity using the Keck AO system: 2-5mum sunlit and eclipse observations
Marchis, F., I. de Pater, D. Le Mignant, H. G. Roe, T. Fusco, J. R. Graham, R. Prange, and B. Macintosh
2002, AGU Fall Meeting Abstracts, 2002AGUFM.P71B0460M

Volcanic activity of Io observed in December 2001 with the Keck AO system: 2-5mu m sunlit and eclipse observations
Marchis, F., I. de Pater, D. Le Mignant, H. Roe, T. Fusco, J. R. Graham, R. Prange, B. Macintosh, and Keck Science Team
2002, Bulletin of the American Astronomical Society, 34 2002DPS....34.4007M

Very Long Pathlength Near-IR Spectra of Methane for Application to Titan
Lunine, J. I., H. Roe, and G. H. Atkinson
2002, Bulletin of the American Astronomical Society, 34 2002DPS....34.3705L

Spatially-resolved K-band Spectra of Neptune from the W.M. Keck Telescope
Gibbard, S. G., I. de Pater, S. C. Martin, H. G. Roe, B. A. Macintosh, and C. E. Max
2002, Bulletin of the American Astronomical Society, 34 2002DPS....34.1810G

The Motions and Morphologies of cloud features on Neptune: continued monitoring with Keck Adaptive Optics
Martin, S. C., I. de Pater, S. G. Gibbard, B. A. Macintosh, H. G. Roe, and C. E. Max
2002, Bulletin of the American Astronomical Society, 34 2002DPS....34.1312M

The surface of Titan from adaptive optics observations
Gibbard, S. G., B. A. Macintosh, C. E. Max, H. Roe, I. de Pater, E. F. Young, and C. P. McKay
2002, Highlights in Astronomy, 12 2002HiA....12..629G

2-micron Adaptive Optics Images of Titan from the W.M. Keck Telescope
Gibbard, S. G., B. A. Macintosh, C. E. Max, I. de Pater, H. G. Roe, and F. Marchis
2001, Bulletin of the American Astronomical Society, 33 2001AAS...199.6307G

Io in Eclipse: Keck LWS Images and the Detection of the Forbidden SO a1 Delta -> X3 Sigma - Rovibronic Transition at 1.7 micron.
de Pater, I., H. G. Roe, J. R. Graham, D. F. Strobel, P. Bernath, F. Marchis, and B. Macintosh
2001, Bulletin of the American Astronomical Society, 33 2001DPS....33.2401D

The Morphology and Motions of storm features on Neptune on minute and hour timescales
Martin, S. C., I. de Pater, H. Roe, B. Macintosh, S. Gibbard, and C. E. Max
2001, Bulletin of the American Astronomical Society, 33 2001DPS....33.2205M

A strong volcanic outburst on Io as observed with the Keck AO system
Marchis, F., I. de Pater, T. Fusco, A. Davies, H. Roe, D. Le Mignant, B. Macintosh, and R. PrangŽ
2001, Bulletin of the American Astronomical Society, 33 2001DPS....33.1702M

Adaptive optics observations of NGC 6240 at the Keck and Lick Observatories
Max, C. E., D. Whysong, B. A. Macintosh, R. Antonucci, and H. Roe
2000, Bulletin of the American Astronomical Society, 32 2000AAS...197.5207M

Keck Adaptive Optics Imaging of Uranus and its Rings
de Pater, I., H. Roe, B. Macintosh, S. Gibbard, C. Max, and D. Gavel
2000, Bulletin of the American Astronomical Society, 32 2000DPS....32.4801D

Adaptive Optics Observations of Titan from the W.M. Keck Telescope
Gibbard, S. G., B. Macintosh, C. E. Max, H. Roe, I. de Pater, E. F. Young, and C. P. McKay
2000, Bulletin of the American Astronomical Society, 32 2000DPS....32.1801G

The Evolution of Cloud Features on Neptune over a 20-day time period
Martin, S. C., H. Roe, I. de Pater, B. Macintosh, S. Gibbard, C. E. Max, D. Gavel, M. Brown, and A. Ghez
2000, Bulletin of the American Astronomical Society, 32 2000DPS....32.1017M

Adaptive Optics Imaging of Neptune and Titan with the W.M. Keck Telescope
Max, C., B. Macintosh, S. Gibbard, H. Roe, I. de Pater, A. Ghez, S. Acton, P. Wizinowich, and O. Lai
1999, Bulletin of the American Astronomical Society, 31 1999AAS...195.9302M

Adaptive Optics Imaging of Neptune with the W.M. Keck Telescope
Macintosh, B., C. E. Max, H. Roe, S. Gibbard, D. Gavel, S. Acton, O. Lai, P. Wizinowich, I. de Pater, A. Ghez, and K. Baines
1999, AAS/Division for Planetary Sciences Meeting, 31 1999DPS....31.6506M

High-Resolution Infrared Speckle Imaging of Titan: Haze and Surface Properties
Gibbard, S. G., B. Macintosh, C. E. Max, D. Gavel, I. de Pater, H. Roe, E. F. Young, and C. P. McKay
1999, AAS/Division for Planetary Sciences Meeting, 31 1999DPS....31.4104G

Koehler, B.G., A.H. Muenter, V.T. Nicholson, H.G. Roe, and E.S.
Whitney, 1998. An FTIR Study of the Adsorption of SO$_{2}$ on n-Hexane
Soot from -130$^{\circ}$C to -40$^{\circ}$C, abstract from Fall
1998 AGU Meeting in San Francisco, CA, in \textit{Eos} \textbf{79},
F125.

Nicholson, V.T., H.G. Roe, E.S. Whitney, A.Y.W. Dang, and B.K.
Koehler 1998. Laboratory Studies of the Adsorption of SO$_{2}$ on Soot
from -140$^{\circ}$ to -30$^{\circ}$C. Presented at the 1998 NASA
Conference of the Atmospheric Effects of Aviation, Virginia Beach, VA.

Koehler, B.G., H.G. Roe, and E.S. Whitney 1996.
Adsorption of SO$_{2}$ on
Soot With and Without Water Vapor, abstract from Fall
1996 AGU Meeting in San Francisco, CA, in \textit{Eos} \textbf{77}.