Cassini/VIMS observation of an Io post-eclipse brightening event
Icarus
By: G. Bellucci, E. D’Aversa, V. Formisano, D. Cruikshank, R.M. Nelson, R. N. Clark, K. H. Baines, D. Matson, R. H. Brown, T. B. McCord, B. J. Buratti, and P. D. Nicholson
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Abstract
During the Cassini-Jupiter flyby, VIMS observed Io at different phase angles, both in full sunlight and in eclipse. By using the sunlight measurements, we were able to produce phase curves in the visual through all the near infrared wavelengths covered by the VIMS instrument (0.85-5.1 ??m). The phase angle spanned from ???2?? to ???120??. The measurements, done just after Io emerged from Jupiter's shadow, show an increase of about 15% in Io's reflectance with respect to what would be predicted by the phase curve. This behavior is observed at wavelengths >1.2 ??m. Moreover, just after emergence from eclipse an increase of about 25% is observed in the depth of SO2 frost bands at 4.07 and 4.35 ??m. At 0.879
Suggested Citation
Bellucci, G., D’Aversa, E., Formisano, V., Cruikshank, D., Nelson, R., Clark, R.N., Baines, K.H., Matson, D., Brown, R.H., McCord, T.B., Buratti, B.J., and Nicholson, P.D., 2004, Cassini/VIMS observation of an Io post-eclipse brightening event: Icarus, v. 172, no. 1 SPEC.ISS., p. 141-148, https://doi.org/10.1016/j.icarus.2004.05.012.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Cassini/VIMS observation of an Io post-eclipse brightening event |
| Series title | Icarus |
| DOI | 10.1016/j.icarus.2004.05.012 |
| Volume | 172 |
| Issue | 1 SPEC.ISS. |
| Year Published | 2004 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Icarus |
| First page | 141 |
| Last page | 148 |