Nucleus of comet P/Arend-Rigaux
Simultaneous broadband visual and infrared photometry of comet P/Arend-Rigaux is reported. Its VJHK colors are similar to other periodic comets and the class D asteroids. The visual flux decreased by 0.5 mag within 2 hr, while the thermal flux at 10 microns continued to decrease by 0.7 mag over 3 hr. These observations are consistent with thermal models of a nucleus with a geometric albedo of 0.03 and equivalent radii of 5.1 and 3.8 km. 32 references.
- Research Organization:
- California Institute of Technology, Pasadena; Hawaii Univ., Honolulu
- OSTI ID:
- 6119520
- Journal Information:
- Astron. J.; (United States), Journal Name: Astron. J.; (United States) Vol. 94; ISSN ANJOA
- Country of Publication:
- United States
- Language:
- English
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