Astronomy and Astrophysics – Astronomy
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...204.3506m&link_type=abstract
American Astronomical Society Meeting 204, #35.06; Bulletin of the American Astronomical Society, Vol. 36, p.706
Astronomy and Astrophysics
Astronomy
1
Scientific paper
The Small Telescope Science Program (STSP) is a collaborative effort among technically-proficient amateur astronomers, professional and student astronomers with discretionary telescope time, and private observatories to gather valuable ground-based optical data on Comet 9P/Tempel 1, the target of Deep Impact, a NASA Discovery Mission. The main objective of this program is to provide CCD observations of Tempel 1 to supplement the professional data acquired by project collaborators at large telescopes. The science team monitors the resulting images and photometric measurements to understand how the activity of the comet changes during its orbit. When will water production turn on? How does the dust production rate change? When does jet activity begin and how long does it last? For example, hand-drawn observations from pre-perihelion in 1994 by N. Biver show jet activity that is similar to drawings made by J. Merlin during the 1983 apparition. Will pre-perihelion images of Tempel 1 taken from April through June 2005 reveal jets? We expect STSP observations to begin by October 2004, when the comet will be 18th magnitude. By the end of April 2005, Tempel 1 will brighten to 10th magnitude, and during the encounter on July 4, 2005, it will be near 9th magnitude. We are interested in having observers join our program, which is described at our web site, http://deepimpact.astro.umd.edu/stsp.
Emerson Gary
McFadden Lucy-Ann A.
McLaughlin Stephanie A.
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