Titan at 3 microns: Newly identified spectral features and an improved analysis of haze opacity

Icarus

Volumn 199, Issue 2, 2009, Pages 449-457

  Seo, Haingja ^a   Kim, Sang Joon ^a   Kim, Joo Hyeon ^a   Geballe, Thomas R ^b   Courtin, Régis ^c   Brown, Linda R ^d  

^a Kyung Hee University   (South Korea)

^b GEMINI OBSERVATORY   (United States)

^c UNIVERSITÉ PARIS DIDEROT   (France)

^d CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Atmospheres; composition; Infrared observations; satellites; Saturn; Spectroscopy; Titan

Indexed keywords

EID: 58749100805     PISSN: 00191035     EISSN: 10902643     Source Type: Journal    
DOI: 10.1016/j.icarus.2008.09.017     Document Type: Article

References (62)

1. Ádamkovics M., de Pater I., Hartung M., Eisenhauer F., Genzel R., and Griffith C.A. Titan's bright spots: Multiband spectroscopic measurement of surface diversity and hazes. J. Geophys. Res. 111 (2006) E07S06
2. Baines K.H., and 23 colleagues. The atmospheres of Saturn and Titan in the near-infrared: First results of Cassini/VIMS. Earth Moon Planets 96 (2005) 119-147
3. Banfield D., Conrath B.J., Gierasch P.J., and Nicholson P.D. Near-IR spectrophotometry of jovian aerosols-Meridional and vertical distributions. Icarus 134 (1998) 11-23
4. Barth E.L., and Toon O.B. Methane, ethane, and mixed clouds in Titan's atmosphere: Properties derived from microphysical modeling. Icarus 182 (2006) 230-250
5. Blass W.E., Halsey G.W., and Jennings D.E. Self- and foreign-gas broadening of ethane lines determined from diode laser measurements at 12 μm. J. Quant. Spectrosc. Radiat. Trans. 38 (1987) 183-184
6. Brown L.R., Benner D.C., Champion J.P., Devi V.M., Fejard L., Gamache R.R., Gabard T., Hilico J.C., Lavorel B., Loete M., Mellau G.Ch., Nikitin A., Pine A.S., Predoi-Cross A., Rinsland C.P., Robert O., Sams R.L., Smith M.A.H., Tashkun S.A., and Tyuterev Vl.G. Methane line parameters in HITRAN. J. Quant. Spectrosc. Radiat. Trans. 82 (2003) 219-238
7. 2 at temperatures relevant to planetary atmospheres. J. Quant. Spectrosc. Radiat. Trans. 38 (1987) 179-181
8. Chudamani S., Varanasi P., Giver L.P., and Valero F.P.J. Nitrogen-broadened lines of ethane at 150 K. J. Quant. Spectrosc. Radiat. Trans. 34 (1985) 359-364
9. Conrath B.J. Vertical resolution of temperature profiles obtained from remote radiation measurements. J. Atmos. Sci. 29 (1972) 1262-1271
10. Courtin R., Gautier D., and McKay C.P. Titan's thermal emission spectrum: Reanalysis of the Voyager infrared measurements. Icarus 144 (1995) 144-162
11. Coustenis A., Schmitt B., Khanna R.K., and Trotta F. Plausible condensates in Titan's stratosphere from Voyager infrared spectra. Planet. Space Sci. 47 (1999) 1305-1329
12. Coustenis A., Salama A., Schulz B., Ott S., Lellouch E., Encrenaz Th., Gautier D., and Feuchtgruber H. Titan's atmosphere from ISO mid-infrared spectroscopy. Icarus 161 (2003) 383-403
13. Coustenis A., Negrão A., Salama A., Schulz B., Lellouch E., Rannou P., Drossart P., Encrenaz T., Schmitt B., Boudon V., and Nikitin A. Titan's 3-micron spectral region from ISO high-resolution spectroscopy. Icarus 180 (2006) 176-185
14. Coustenis A., Achterberg R.K., Conrath B.J., Jennings D.E., Marten M., Gautier D., Nixon C.A., Flasar F.M., Teanby N.A., Bézard B., Samuelson R.E., Carlson R.C., Lellouch E., Bjoraker G.L., Romani P.N., Taylor F.W., Irwin P.G.J., Fouchet T., Hubert A., Orton G.S., Kunde V.G., Vinatier S., Mondellini J., and Courtin R. The composition of Titan's stratosphere from Cassini/CIRS mid-infrared spectra. Icarus 189 (2007) 35-62
15. de Kok R., Irwin P.G.J., Teanby N.A., Nixon C.A., Jennings D.E., Fletcher L., Howett C., Calcutt S.B., Bowles N.E., and Flasar F.M. Characteristics of Titan's stratospheric aerosols and condensate clouds from Cassini CIRS far-infrared spectra. Icarus 191 (2007) 223-235
16. de Pater I., Ádamkovics M., Bouchez A.H., Brown M.E., Gibbard S.G., Marchis F., Roe H.G., and Schaller E.L. Titan imagery with Keck adaptive optics during and after probe entry. J. Geophys. Res. 111 (2006) E07S05
17. Flasar F.M., and 44 colleagues. Titan's atmospheric temperatures, winds, and composition. Science 308 (2005) 975-978
18. Fulchignoni M., and 42 colleagues. In situ measurements of the physical characteristics of Titan's environment. Nature 438 (2005) 785-791
19. Geballe T.R., Kim S.J., Noll K.S., and Griffith C.A. High-resolution 3 micron spectroscopy of molecules in the mesosphere and troposphere of Titan. Astrophys. J. 583 (2003) L39-L42
20. Griffith A.C., Owen T., Miller G.A., and Geballe T.R. Transient clouds in Titan's lower atmosphere. Nature 395 (1998) 575-578
21. Griffith G.A., and 26 colleagues. The evolution of Titan's mid-latitude clouds. Science 310 (2005) 474-477
22. Hepp M., and Herman M. Weak combination bands in the 3-μm region of ethane. J. Mol. Spectrosc. 197 (1999) 56-63
23. 2) on Titan. Icarus 178 (2005) 165-170
24. 2C{triple bond, long}N) based on laboratory infrared data. Icarus 177 (2005) 116-121
25. Kerr R. Titan clouds hint of heavy rains, methane gurglings. Science 310 (2005) 421
26. Kim S.J. Vertical distributions of nitriles over Titan's north polar region. Publ. Korean Astron. Soc. 11 (1996) 75-90
27. 3D in the atmosphere of Titan, derived from 8- to 14-μm thermal emission. Icarus 52 (1982) 473-482
28. 2 in the atmosphere of Titan probed via 3 μm spectroscopy. Icarus 173 (2005) 522-532
29. Kim J.H., Kim S.J., Geballe T.R., Kim S.S., and Brown L.R. High-resolution spectroscopy of Saturn at 3 microns. Icarus 185 (2006) 476-486
30. Knacke R.F., Brooke T.Y., and Joyce R.R. Observations of 3.2-3.6 micron emission features in Comet Halley. Astrophys. J. 310 (1986) L49-L53
31. 8. J. Mol. Spectrosc. 248 (2008) 134-145
32. Lindal G.F., Wood G.E., Hotz H.B., Sweetnam D.N., Eshelman V.R., and Tyler G.L. The atmosphere of Titan: An analysis of the Voyager 1 radio-occultation measurements. Icarus 53 (1983) 348-363
33. Lunine J.I., Yung Y.L., and Lorenz R.D. On the volatile inventory of Titan from isotopic abundances in nitrogen and methane. Planet. Space Sci. 47 (1999) 1291-1303
34. 2 in the infrared region. Icarus 83 (1990) 83-92
35. Mayo L.A., and Samuelson R.E. Condensate clouds in Titan's north polar stratosphere. Icarus 176 (2005) 316-330
36. Negrão A., Coustenis A., Lellouch E., Maillard J.-P., Rannou P., Schmitt B., McKay C.P., and Boudon V. Titan's surface albedo variations over a Titan season from near-infrared CFHT/FTS spectra. Planet. Space Sci. 54 (2006) 1225-1246
37. Niemann H.B., and 17 colleagues. The abundances of constituents of Titan's atmosphere from the GCMS instrument on the Huygens probe. Nature 438 (2005) 779-784
38. -1. J. Mol. Spectrosc. 240 (2006) 14-25
39. Ohring G. The temperature and ammonia profiles in the jovian atmospheres from inversion of the jovian emission spectrum. Astrophys. J. 184 (1973) 1027-1040
40. Orton G.S. Recovery of the mean jovian temperature structure from inversion of spectrally resolved thermal radiance data. Icarus 32 (1977) 41-57
41. Penteado F.P., Griffith C., and the Cassini VIMS team. Constraints on the variability of the tropospheric methane abundance on Titan from Cassini VIMS observations. Bull. Am. Astron. Soc. 38 (2006) 530
42. Pinto J.P., Lunine J.I., Kim S.J., and Yung Y.L. D to H ratio and the origin and evolution of Titan's atmosphere. Nature 319 (1986) 388-390
43. Roe H.G., de Pater I., Macintosh B.A., and McKay C.P. Titan's clouds from Gemini and Keck adaptive optics imaging. Astrophys. J. 581 (2002) 1399-1406
44. Roe H.G., Brown M.E., Schaller E.L., Bouchez A.H., and Trujillo C.A. Geographic control of Titan's mid-latitude clouds. Science 310 (2005) 477-479
45. Rothman L.S., Jacquemart D., Barbe A., Chris Benner D., Birk M., Brown L.R., Carleer M.R., Chackerian Jr. C., Chance K., Coudert L.H., Dana V., Devi V.M., Flaud J.-M., Gamache R.R., Goldman A., Hartmann J.-M., Jucks K.W., Maki A.G., Mandin J.-Y., Massie S.T., Orphal J., Perrin A., Rinsland C.P., Smith M.A.H., Tennyson J., Tolchenov R.N., Toth R.A., Vander Auwera J., Varanasi P., and Wagner G. The HITRAN 2004 molecular spectroscopic database. J. Quant. Spectrosc. Radiat. Trans. 96 (2005) 139-204
46. 2 ice in Titan's north polar stratosphere. Planet. Space Sci. 45 (1996) 941-948
47. Samuelson R.E., Nath N.R., and Borysow A. Gaseous abundances and methan supersaturation in Titan's troposphere. Planet. Space Sci. 45 (1997) 959-980
48. Samuelson R.E., Smith M.D., Achterberg R.K., and Pearl J.C. Cassini CIRS update on stratospheric ices at Titan's winter pole. Icarus 189 (2007) 63-71
49. Schaller E.L., Brown M.E., Roe H.G., and Bouchez A.H. A large cloud outburst at Titan's south pole. Icarus 182 (2006) 224-229
50. Seo H., Kim S.J., Hwang S., Jung A., Kim J.H., Kim J.H., Kim K.-S., Lee J., and Jang M. High-resolution near-IR spectra of the Sun for planetary data reductions made from ATMOS/Spacelab-3 and Atlas-3 data. Icarus 192 (2007) 287-295
51. Sim C.K., Kim S.J., Kim J.H., Seo H.J., Jung A., and Kim J. Altitudinal distributions of the global haze of Titan deduced from methane absorption bands between 7100-9200 Å. J. Korean Astron. Soc. 41 (2008) 65-76
52. Sotin C., and 25 colleagues. Release of volatiles from a possible cryovolcano from near-infrared imaging of Titan. Nature 435 (2005) 786-789
53. Stam D.M., Banfield D., Gierasch P.J., Nicholson P.D., and Matthews K. Near-IR spectrophotometry of saturnian aerosols-Meridional and vertical distribution. Icarus 152 (2001) 407-422
54. Tokano T., Mckay C.P., Neubauer F.M., Atreya S.K., Ferri F., Fulchignoni M., and Niemann H.B. Methane drizzle on Titan. Nature 442 (2006) 432-435
55. Tokunaga A.T., Sellgren K., Smith R.G., Nagata T., Sakata A., and Nakada Y. High-resolution spectra of the 3.29 micron interstellar emission feature. Astrophys. J. 380 (1991) 452-460
56. Tomasko M.G., and 39 colleagues. Rain, winds and haze during the Huygens probe's descent to Titan's surface. Nature 438 (2005) 765-778
57. Tomasko M.G., Doose L., Engel S., Dafoe L.E., West R., Lemmon M., Karkoschka E., and See C. A model of Titan's aerosols based on measurements inside the atmosphere. Planet. Space Sci. 56 (2008) 669-707
58. van de Hulst H.C. Light Scattering by Small Particles (1981), Dover, New York
59. Varanasi P., Giver L.P., and Valero F.P.J. Thermal infrared lines of methane broadened by nitrogen at low temperatures. J. Quant. Spectrosc. Radiat. Trans. 30 (1983) 481-490
60. 2 at planetary atmospheric temperatures. J. Quant. Spectrosc. Radiat. Trans. 47 (1992) 263-274
61. Verhoef, W., 1988. Numerical accuracy of a two-stream radiative transfer model from comparison with an n-stream model. ESA SP-287, pp. 157-162
62. Wallace L., and Smith G.R. The jovian temperature structure obtained by inversion of infrared spectral measurements. Icarus 38 (1979) 342-348