Astronomy and Astrophysics – Astronomy
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005apj...624.1093h&link_type=abstract
The Astrophysical Journal, Volume 624, Issue 2, pp. 1093-1096.
Astronomy and Astrophysics
Astronomy
26
Comets: General, Meteors, Meteoroids, Minor Planets, Asteroids
Scientific paper
We present deep optical imaging of Geminid meteor stream parent 3200 Phaethon taken in search of low-level cometary activity (i.e., coma or dust trail). Although no unambiguous cometary behavior was observed, we find an upper limit on the object's cometary mass-loss rate of M˙lim~0.01 kg s-1. The corresponding active fraction (the fraction of the surface area that could consist of freely sublimating water ice) is f<=7×10-6, at least 2 orders of magnitude smaller than other known comets.
Hsieh Henry H.
Jewitt David
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