Seasonal Change on Titan Observed with the Hubble Space Telescope WFPC-2

Icarus

Volumn 142, Issue 2, 1999, Pages 391-401

  Lorenz, Ralph D ^a   Lemmon, Mark T ^a   Smith, Peter H ^a   Lockwood, G W ^b  

^a UNIVERSITY OF ARIZONA   (United States)

^b LOWELL OBSERVATORY   (United States)

Author keywords

Atmospheres; Dynamics; Image processing; Photometry; Radiative transfer; Titan

Indexed keywords

EID: 0001161102     PISSN: 00191035     EISSN: None     Source Type: Journal    
DOI: 10.1006/icar.1999.6225     Document Type: Article

References (33)

1. Burrows C. J. Hubble Space Telescope Wide Field and Planetary Camera 2 Instrument Handbook. 1994.
2. Caldwell J. D., Smith P. H., Tomasko M. G., Weaver H. Titan: Evidence of seasonal change - A comparison of Voyager and Hubble Space Telescope images. Icarus. 103:1992;1-9.
3. Courtin R., Wagener R., McKay C. P., Caldwell J., Fricke K.-R., Raulin F., Bruston P. UV spectroscopy of Titan's atmosphere, planetary organic chemistry and prebiological synthesis II. Interpretation of new IUE observations in the 220-335 nm range. Icarus. 90:1991;43-56.
4. Coustenis A., Lellouch E., Maillard J. P., McKay C. P. Titan's surface: Composition and variability from the near-infrared albedo. Icarus. 118:1995;87-104.
5. Flasar F. M., Samuelson R. E., Conrath B. J. Titan's atmosphere: Temperature and dynamics. Nature. 292:1981;693-698.
6. Hourdin F., Talagrand O., Sadourny R., Courtin R., Gautier D., McKay C. P. Numerical simulation of the general circulation of the atmosphere of Titan. Icarus. 117:1995;358-374.
7. Hubbard W. B. The occultation of 28 Sgr by Titan. Astron. Astrophys. 269:1993;541-563.
8. Hutzell W. T., McKay C. P., Toon O. B. Effects of time-varying haze production on Titan's geometric albedo. Icarus. 105:1993;162-174.
9. Hutzell W. T., McKay C. P., Toon O. B., Hourdin F. Simulations of Titan's brightness by a two-dimensional haze model. Icarus. 119:1996;112-129.
10. Karkoschka E. Spectrophotometry of the jovian planets and Titan at 300- to 1000-nm wavelength: The methane spectrum. Icarus. 111:1995;174-192.
11. Karkoschka E. Methane, ammonia, and temperature measurements of the jovian planets and Titan from CCD-spectrophotometry. Icarus. 133:1998;134-146.
12. Karkoschka E., Lorenz R. D. Latitudinal variation of aerosol sizes inferred from Titan's shadow. Icarus. 125:1997;369-379.
13. Khare B. N., Sagan C., Arakawa E. T., Suits F., Callcott T. A., Williams M. W. Optical constants of organic tholins produced in a simulated titanian atmosphere: From soft X-ray to microwave frequencies. Icarus. 60:1984;127-137.
14. Lemmon M. T. Properties of Titan's Haze and Surface. 1994.
15. Lockwood G. W., Thompson D. T. A relationship between solar activity and planetary albedos. Nature. 280:1979;43-45.
16. Lockwood G. W., Lutz B. L., Thompson D. T., Bus E. S. The albedo of Titan. Astrophys. J. 303:1986a;511-530.
17. Lockwood G. W., Thompson D. T., Sromovsky L. A. Photometry of Titan: Evidence supporting the seasonal contrast model of albedo variations. Bull. Am. Astron. Soc. 18:1986b;809.
18. Lorenz R. D., Smith P. H., Lemmon M. T., Karkoschka E., Lockwood G. W., Caldwell J. Titan's north-south asymmetry from HST and Voyager imaging: Comparisons with models and groundbased photometry. Icarus. 127:1997;173-189.
19. Neff J. S., Humm D. C., Bergstrahl J. T., Cochran A. L., Cochran W. C., Barker E. S., Tull R. G. Absolute spectrophotometry of Titan, Uranus and Neptune: 3500-10500 Å Icarus. 60:1984;221-235.
20. Rages K., Pollack J. B. Titan aerosols: Optical properties and vertical distribution. Icarus. 41:1980;119-130.
21. Rages K., Pollack J. B. Vertical distribution of scattering hazes in Titan's upper atmosphere. Icarus. 55:1983;50-62.
22. Rannou P., Cabane M., Chassefiere E., Botet R., McKay C. P., Courtin R. Titan's geometric albedo: Role of the fractal structure of the aerosols. Icarus. 118:1995;355-372.
23. Smith B. A., Soderblom L. A., Batson R., Bridges P., Inge J., Masursky H., Shoemaker E., Beebe R., Boyce J., Briggs G., Bunker A., Collins S. A., Hansen C. J., Johnson T. V., Mitchell J. L., Terrile R. J., Carr M., Cook A. F. II, Cuzzi J., Pollack J. B., Danielson G. E., Ingersoll A., Davies M. E., Hunt G. E., Morrison D., Owen T., Sagan C., Veverka J., Strom R., Suomi V. A new look at the Saturn system: The Voyager 2 images. Science. 215:1982;504-537.
24. Smith B. A., Soderblom L. A., Beebe R., Boyce J., Briggs G., Bunker A., Collins S. A., Hansen C. J., Johnson T. V., Mitchell J. L., Terrile R. J., Carr M., Cook A. F. II, Cuzzi J., Pollack J. B., Danielson G. E., Ingersoll A., Davies M. E., Hunt G. E., Masursky H., Shoemaker E., Morrison D., Owen T., Sagan C., Veverka J., Strom R., Suomi V. Encounter with Saturn: Voyager 1 imaging results. Science. 212:1981;163-182.
25. Smith P. H. The radius of Titan from Pioneer Saturn data. J. Geophys. Res. 85:1980;5943-5947.
26. Smith P. H., Lemmon M. T. HST images of Titan. Bull. Am. Astron. Soc. 25:1993;1105.
27. Smith P. H., Karkoschka E., Lemmon M. T. Titan's north-south asymmetry from HST images. Bull. Am. Astron. Soc. 24:1992;950.
28. Smith P. H., Lemmon M. T., Lorenz R. D., Caldwell J. J., Allison M. D., Sromovsky L. A. Titan's surface, revealed by HST imaging. Icarus. 119:1996;336-349.
29. Smith P. H., Lorenz R. D., Lemmon M. T. New information on Titan's north-south contrast from HST. Bull. Am. Astron. Soc. 27:1995;1104.
30. Sromovsky L. A., Suomi V. E., Pollack J. B., Kraus R. J., Limaye S. S., Owen T., Revercomb H. E., Sagan C. Implications of Titan's north-south brightness asymmetry. Nature. 292:1981;698-702.
31. Tokano T., Neubauer F. M., Laube M., McKay C. P. Seasonal variation of Titan's atmospheric structure simulated by a general circulation model. Planet. Space Sci. 47:1999;493-520.
32. Tomasko M. G., Smith P. H. Photometry and polarimetry of Titan: Pioneer 11 observations and their implications for aerosol properties. Icarus. 51:1982;65-92.
33. Toon O. B., McKay C. P., Griffith C. A., Turco R. P. A physical model of Titan's aerosols. Icarus. 95:1992;24-53.