Publications.
2021
[27] B Bonfond, ZH Yao, GR Gladstone, DC Grodent, J-C Gérard, J Matar, B Palmaerts, TK Greathouse, V Hue, MH Versteeg, JA Kammer, RS Giles, C Tao, MF Vogt, A Mura, A Adriani, WS Kurth, BH Mauk, SJ Bolton. Are Dawn Storms Jupiter’s auroral substorms? Accepted in AGU Advances.
2020
[26] JA Sinclair, TK Greathouse RS Giles, A Antuñano, JI Moses, T Fouchet, B Bézard, C Tao, J Martin-Torres, GB Clark, D Grodent, GS Orton, V Hue, LN Fletcher, PGJ Irwin. Spatial variations in the altitude of the CH4 homopause at Jupiter's mid-to-high latitudes, as constrained from IRTF-TEXES spectra. Planetary Science Journal, 1(3), 85, 2020. doi: 10.3847/PSJ/abc887
[25] MW Davis, GR Gladstone, RS Giles, TK Greathouse, PM Molyneux, U Raut, KD Retherford, S Baldor, MH Versteeg, M Freeman, KB Persson, SC Persyn. Ground calibration results of the JUICE ultraviolet spectrograph. In Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, Vol. 11444. International Society for Optics and Photonics, 2020. doi: 10.1117/12.2562986
[24] RG Cosentino, TK Greathouse, AA Simon, RS Giles, R Morales-Juberías, LN Fletcher, GS Orton. The effects of waves on the meridional thermal structure of Jupiter’s stratosphere. Planetary Science Journal, 1(3), 63, 2020. doi:10.3847/PSJ/abbda3
[23] RS Giles, TK Greathouse, B Bonfond, GR Gladstone, JA Kammer, V Hue, DC Grodent, J-C Gérard, MH Versteeg, MH Wong, SJ Bolton, JEP Connerney, SM Levin. Possible Transient Luminous Events observed in Jupiter's upper atmosphere. Journal of Geophysical Research: Planets, 125(11), 2020. doi:10.1029/2020JE006659
[22] T Encrenaz, TK Greathouse, E Marcq, T Widemann, B Bézard, T Fouchet, RS Giles, H Sagawa, J Greaves, C Sousa-Silva. A stringent upper limit of the PH3 abundance at the cloud top of Venus. Astronomy & Astrophysics, 643, L5, 2020. doi:10.1051/0004-6361/202039559
[21] T Encrenaz, TK Greathouse, E Marcq, H Sagawa, T Widemann, B Bézard, T Fouchet, F Lefèvre, S. Lebonnois, SK Atreya, YJ Lee, RS Giles, S Watanabe, W Shao, X Zhang, and CJ Bierson. HDO and SO2 thermal mapping on Venus. V. Evidence for a long-term anti-correlation. Astronomy & Astrophysics, 639, A69, 2020. doi:10.1051/0004-6361/202037741
[20] RS Giles, TK Greathouse, RG Cosentino, GS Orton, and JH Lacy. Vertically-resolved observations of Jupiter's quasi-quadrennial oscillation from 2012 to 2019. Icarus, 350, 113905, 2020. doi:10.1016/j.icarus.2020.113905
[19] JA Sinclair, GS Orton, LN Fletcher, M Roman, I de Pater, T Encrenaz, HB Hammel, RS Giles, T Velusamy, JI Moses, PGJ Irwin, TW Momary, N Rowe-Gurney and F Tabataba-Vakili. Spatial structure in Neptune's 7.90-μm stratospheric CH4 emission, as measured by VLT-VISIR. Icarus, 345, 113748, 2020. doi:10.1016/j.icarus.2020.113748
[18] JR Szalay, F. Allegrini, F Bagenal, SJ Bolton, B. Bonfond, G Clark, JEP Connerney, RW Ebert, DJ Gershman, RS Giles, GR Gladstone, T Greathouse, GB Hospodarsky, M Imai, WS Kurth, S Kotsiaros, P Louarn, DJ McComas, J Saur, AH Sulaiman and RJ Wilson. Alfvénic acceleration sustains Ganymede's footprint tail aurora. Geophysical Research Letters, 47(3), 2020. doi:10.1029/2019GL086527
[17] F Tabataba-Vakili, JH Rogers, G Eichstädt, GS Orton, CJ Hansen, TW Momary, JA Sinclair, RS Giles, MA Caplinger, MA Ravine, et al. Long-term tracking of circumpolar cyclones on Jupiter from polar observations with JunoCam. Icarus, 335, 113405, 2020. doi:10.1016/j.icarus.2019.113405
2019
[16] A Antuñano, LN Fletcher, GS Orton, H Melin, S Milan, J Rogers, T Greathouse, J Harrington, PT Donnelly, and RS Giles. Jupiter's atmospheric variability from longterm ground-based observations at 5 microns. The Astronomical Journal, 158(3), 2019. doi:10.3847/1538-3881/ab2cd6
[15] JA Sinclair, GS Orton, J Fernandes, Y Kasaba, TM Sato, T Fujiyoshi, C Tao, MF Vogt, D Grodent, B Bonfond, JI Moses, TK Greathouse, W Dunn, RS Giles, F Tabataba-Vakili, LN Fletcher and PGJ Irwin. A brightening of Jupiter's auroral 7.8-μm CH4 emission during a solar-wind compression. Nature Astronomy, 3, 607-613, 2019. doi:10.1038/s41550-019-0743-x
[14] RS Giles, GS Orton, AW Stephens, MH Wong, PGJ Irwin, JA Sinclair, and F Tabataba-Vakili. Wave activity in Jupiter’s North Equatorial Belt from near-infrared reflectivity observations. Geophysical Research Letters, 46(3):1232–1241, 2019. doi:10.1029/2018GL081858
[13] T Encrenaz, TK Greathouse, E Marcq, H Sagawa, T Widemann, B Bézard, T Fouchet, F Lefevre, S Lebennois, SK Atreya, YJ Lee, RS Giles, and S Watanabe. HDO and SO2 thermal mapping of Venus. IV. Statistical analysis of the SO2 plumes. Astronomy & Astrophysics, 623, A70, 2019. doi:10.1051/0004-6361/201833511
2018
[12] H Melin, LN Fletcher, P Donnelly, TK Greathouse, J Lacy, G Orton, RS Giles, JA Sinclair, and PGJ Irwin. Assessing the long-term variability of acetylene and ethane in the stratosphere of Jupiter. Icarus, 305(1):301–313, 2018. doi:10.1016/j.icarus.2017.12.041
2017
[11] RS Giles, LN Fletcher, PG Irwin, GS Orton, and JA Sinclair. Ammonia in Jupiter’s troposphere from high-resolution 5-μm spectroscopy. Geophysical Research Letters, 44(21):10838–10844, 2017. doi:10.1002/2017GL075221
[10] JA Sinclair, GS Orton, TK Greathouse, LN Fletcher, C Tao, G Gladstone, A Adriani, W Dunn, J Moses, V Hue, PGJ Irwin, H Melin, and RS Giles. Independent evolution of stratospheric temperatures in Jupiter’s northern and southern auroral regions from 2014 to 2016. Geophysical Research Letters, 44(11):5345–5354, 2017. doi:10.1002/2017GL073529
[9] RS Giles, LN Fletcher, and PGJ Irwin. Latitudinal variability in Jupiter’s tropospheric disequilibrium species: GeH4, AsH3 and PH3. Icarus, 289:254–269, 2017. doi:10.1016/j.icarus.2016.10.023
[8] LN Fletcher, GS Orton, JH Rogers, RS Giles, AV Payne, PGJ Irwin, and M Vedovato. Moist convection and the 2010-2011 revival of Jupiter’s South Equatorial Belt. Icarus, 286:94–117, 2017. doi:10.1016/j.icarus.2017.01.001
[7] LN Fletcher, GS Orton, JA Sinclair, P Donnelly, H Melin, JH Rogers, TK Greathouse, Y Kasaba, T Fujiyoshi, TM Sato, J Fernandes, PGJ Irwin, and RS Giles. Jupiter’s North Equatorial Belt expansion and thermal wave activity ahead of Juno’s arrival. Geophysical Research Letters, 44(14):7140–7148, 2017. doi:10.1002/2017GL073383
2016
[6] RS Giles, LN Fletcher, PGJ Irwin, H Melin, and TS Stallard. Detection of H3+ auroral emission in Jupiter’s 5-micron window auroral emission in Jupiter’s 5-micron window. Astronomy & Astrophysics, 589:A67, 2016. doi:10.1051/0004-6361/201628170
[5] LN Fletcher, TK Greathouse, GS Orton, JA Sinclair, RS Giles, PGJ Irwin, and T Encrenaz. Mid-infrared mapping of Jupiter’s temperatures, aerosol opacity and chemical distributions with IRTF/TEXES. Icarus, 278:128–161, 2016. doi:10.1016/j.icarus.2016.06.008
[4] JK Barstow, PGJ Irwin, LN Fletcher, RS Giles, and C Merlet. Probing Saturn’s tropospheric cloud with Cassini/VIMS. Icarus, 271:400–417, 2016. doi:10.1016/j.icarus.2016.01.013
2015
[3] RS Giles, LN Fletcher, and PGJ Irwin. Cloud structure and composition of Jupiter’s troposphere from 5-μm Cassini VIMS spectroscopy. Icarus, 257:457–470, 2015. doi:10.1016/j.icarus.2015.05.030
[2] LN Fletcher, PGJ Irwin, JA Sinclair, GS Orton, RS Giles, J Hurley, N Gorius, RK Achterberg, BE Hesman, and GL Bjoraker. Seasonal evolution of Saturn’s polar temperatures and composition. Icarus, 250:131–153, 2015. doi:10.1016/j.icarus.2014.11.022
2014
[1] LN Fletcher, TK Greathouse, GS Orton, PGJ Irwin, O Mousis, JA Sinclair, and RS Giles. The origin of nitrogen on Jupiter and Saturn from the 15N/14N ratio. Icarus, 238:170–190, 2014. doi:10.1016/j.icarus.2014.05.007
[27] B Bonfond, ZH Yao, GR Gladstone, DC Grodent, J-C Gérard, J Matar, B Palmaerts, TK Greathouse, V Hue, MH Versteeg, JA Kammer, RS Giles, C Tao, MF Vogt, A Mura, A Adriani, WS Kurth, BH Mauk, SJ Bolton. Are Dawn Storms Jupiter’s auroral substorms? Accepted in AGU Advances.
2020
[26] JA Sinclair, TK Greathouse RS Giles, A Antuñano, JI Moses, T Fouchet, B Bézard, C Tao, J Martin-Torres, GB Clark, D Grodent, GS Orton, V Hue, LN Fletcher, PGJ Irwin. Spatial variations in the altitude of the CH4 homopause at Jupiter's mid-to-high latitudes, as constrained from IRTF-TEXES spectra. Planetary Science Journal, 1(3), 85, 2020. doi: 10.3847/PSJ/abc887
[25] MW Davis, GR Gladstone, RS Giles, TK Greathouse, PM Molyneux, U Raut, KD Retherford, S Baldor, MH Versteeg, M Freeman, KB Persson, SC Persyn. Ground calibration results of the JUICE ultraviolet spectrograph. In Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, Vol. 11444. International Society for Optics and Photonics, 2020. doi: 10.1117/12.2562986
[24] RG Cosentino, TK Greathouse, AA Simon, RS Giles, R Morales-Juberías, LN Fletcher, GS Orton. The effects of waves on the meridional thermal structure of Jupiter’s stratosphere. Planetary Science Journal, 1(3), 63, 2020. doi:10.3847/PSJ/abbda3
[23] RS Giles, TK Greathouse, B Bonfond, GR Gladstone, JA Kammer, V Hue, DC Grodent, J-C Gérard, MH Versteeg, MH Wong, SJ Bolton, JEP Connerney, SM Levin. Possible Transient Luminous Events observed in Jupiter's upper atmosphere. Journal of Geophysical Research: Planets, 125(11), 2020. doi:10.1029/2020JE006659
[22] T Encrenaz, TK Greathouse, E Marcq, T Widemann, B Bézard, T Fouchet, RS Giles, H Sagawa, J Greaves, C Sousa-Silva. A stringent upper limit of the PH3 abundance at the cloud top of Venus. Astronomy & Astrophysics, 643, L5, 2020. doi:10.1051/0004-6361/202039559
[21] T Encrenaz, TK Greathouse, E Marcq, H Sagawa, T Widemann, B Bézard, T Fouchet, F Lefèvre, S. Lebonnois, SK Atreya, YJ Lee, RS Giles, S Watanabe, W Shao, X Zhang, and CJ Bierson. HDO and SO2 thermal mapping on Venus. V. Evidence for a long-term anti-correlation. Astronomy & Astrophysics, 639, A69, 2020. doi:10.1051/0004-6361/202037741
[20] RS Giles, TK Greathouse, RG Cosentino, GS Orton, and JH Lacy. Vertically-resolved observations of Jupiter's quasi-quadrennial oscillation from 2012 to 2019. Icarus, 350, 113905, 2020. doi:10.1016/j.icarus.2020.113905
[19] JA Sinclair, GS Orton, LN Fletcher, M Roman, I de Pater, T Encrenaz, HB Hammel, RS Giles, T Velusamy, JI Moses, PGJ Irwin, TW Momary, N Rowe-Gurney and F Tabataba-Vakili. Spatial structure in Neptune's 7.90-μm stratospheric CH4 emission, as measured by VLT-VISIR. Icarus, 345, 113748, 2020. doi:10.1016/j.icarus.2020.113748
[18] JR Szalay, F. Allegrini, F Bagenal, SJ Bolton, B. Bonfond, G Clark, JEP Connerney, RW Ebert, DJ Gershman, RS Giles, GR Gladstone, T Greathouse, GB Hospodarsky, M Imai, WS Kurth, S Kotsiaros, P Louarn, DJ McComas, J Saur, AH Sulaiman and RJ Wilson. Alfvénic acceleration sustains Ganymede's footprint tail aurora. Geophysical Research Letters, 47(3), 2020. doi:10.1029/2019GL086527
[17] F Tabataba-Vakili, JH Rogers, G Eichstädt, GS Orton, CJ Hansen, TW Momary, JA Sinclair, RS Giles, MA Caplinger, MA Ravine, et al. Long-term tracking of circumpolar cyclones on Jupiter from polar observations with JunoCam. Icarus, 335, 113405, 2020. doi:10.1016/j.icarus.2019.113405
2019
[16] A Antuñano, LN Fletcher, GS Orton, H Melin, S Milan, J Rogers, T Greathouse, J Harrington, PT Donnelly, and RS Giles. Jupiter's atmospheric variability from longterm ground-based observations at 5 microns. The Astronomical Journal, 158(3), 2019. doi:10.3847/1538-3881/ab2cd6
[15] JA Sinclair, GS Orton, J Fernandes, Y Kasaba, TM Sato, T Fujiyoshi, C Tao, MF Vogt, D Grodent, B Bonfond, JI Moses, TK Greathouse, W Dunn, RS Giles, F Tabataba-Vakili, LN Fletcher and PGJ Irwin. A brightening of Jupiter's auroral 7.8-μm CH4 emission during a solar-wind compression. Nature Astronomy, 3, 607-613, 2019. doi:10.1038/s41550-019-0743-x
[14] RS Giles, GS Orton, AW Stephens, MH Wong, PGJ Irwin, JA Sinclair, and F Tabataba-Vakili. Wave activity in Jupiter’s North Equatorial Belt from near-infrared reflectivity observations. Geophysical Research Letters, 46(3):1232–1241, 2019. doi:10.1029/2018GL081858
[13] T Encrenaz, TK Greathouse, E Marcq, H Sagawa, T Widemann, B Bézard, T Fouchet, F Lefevre, S Lebennois, SK Atreya, YJ Lee, RS Giles, and S Watanabe. HDO and SO2 thermal mapping of Venus. IV. Statistical analysis of the SO2 plumes. Astronomy & Astrophysics, 623, A70, 2019. doi:10.1051/0004-6361/201833511
2018
[12] H Melin, LN Fletcher, P Donnelly, TK Greathouse, J Lacy, G Orton, RS Giles, JA Sinclair, and PGJ Irwin. Assessing the long-term variability of acetylene and ethane in the stratosphere of Jupiter. Icarus, 305(1):301–313, 2018. doi:10.1016/j.icarus.2017.12.041
2017
[11] RS Giles, LN Fletcher, PG Irwin, GS Orton, and JA Sinclair. Ammonia in Jupiter’s troposphere from high-resolution 5-μm spectroscopy. Geophysical Research Letters, 44(21):10838–10844, 2017. doi:10.1002/2017GL075221
[10] JA Sinclair, GS Orton, TK Greathouse, LN Fletcher, C Tao, G Gladstone, A Adriani, W Dunn, J Moses, V Hue, PGJ Irwin, H Melin, and RS Giles. Independent evolution of stratospheric temperatures in Jupiter’s northern and southern auroral regions from 2014 to 2016. Geophysical Research Letters, 44(11):5345–5354, 2017. doi:10.1002/2017GL073529
[9] RS Giles, LN Fletcher, and PGJ Irwin. Latitudinal variability in Jupiter’s tropospheric disequilibrium species: GeH4, AsH3 and PH3. Icarus, 289:254–269, 2017. doi:10.1016/j.icarus.2016.10.023
[8] LN Fletcher, GS Orton, JH Rogers, RS Giles, AV Payne, PGJ Irwin, and M Vedovato. Moist convection and the 2010-2011 revival of Jupiter’s South Equatorial Belt. Icarus, 286:94–117, 2017. doi:10.1016/j.icarus.2017.01.001
[7] LN Fletcher, GS Orton, JA Sinclair, P Donnelly, H Melin, JH Rogers, TK Greathouse, Y Kasaba, T Fujiyoshi, TM Sato, J Fernandes, PGJ Irwin, and RS Giles. Jupiter’s North Equatorial Belt expansion and thermal wave activity ahead of Juno’s arrival. Geophysical Research Letters, 44(14):7140–7148, 2017. doi:10.1002/2017GL073383
2016
[6] RS Giles, LN Fletcher, PGJ Irwin, H Melin, and TS Stallard. Detection of H3+ auroral emission in Jupiter’s 5-micron window auroral emission in Jupiter’s 5-micron window. Astronomy & Astrophysics, 589:A67, 2016. doi:10.1051/0004-6361/201628170
[5] LN Fletcher, TK Greathouse, GS Orton, JA Sinclair, RS Giles, PGJ Irwin, and T Encrenaz. Mid-infrared mapping of Jupiter’s temperatures, aerosol opacity and chemical distributions with IRTF/TEXES. Icarus, 278:128–161, 2016. doi:10.1016/j.icarus.2016.06.008
[4] JK Barstow, PGJ Irwin, LN Fletcher, RS Giles, and C Merlet. Probing Saturn’s tropospheric cloud with Cassini/VIMS. Icarus, 271:400–417, 2016. doi:10.1016/j.icarus.2016.01.013
2015
[3] RS Giles, LN Fletcher, and PGJ Irwin. Cloud structure and composition of Jupiter’s troposphere from 5-μm Cassini VIMS spectroscopy. Icarus, 257:457–470, 2015. doi:10.1016/j.icarus.2015.05.030
[2] LN Fletcher, PGJ Irwin, JA Sinclair, GS Orton, RS Giles, J Hurley, N Gorius, RK Achterberg, BE Hesman, and GL Bjoraker. Seasonal evolution of Saturn’s polar temperatures and composition. Icarus, 250:131–153, 2015. doi:10.1016/j.icarus.2014.11.022
2014
[1] LN Fletcher, TK Greathouse, GS Orton, PGJ Irwin, O Mousis, JA Sinclair, and RS Giles. The origin of nitrogen on Jupiter and Saturn from the 15N/14N ratio. Icarus, 238:170–190, 2014. doi:10.1016/j.icarus.2014.05.007