Combined Visible Observations Of Comet 9P/Tempel 1 During The Deep Impact Event From Pic du Midi Observatory And With The ROSETTA/OSIRIS Narrow Angle Camera

Details Combined Visible Observations Of Comet 9P/Tempel 1 During The Deep Impact Event From Pic du Midi Observatory And With The ROSETTA/OSIRIS Narrow Angle Camera Combined Visible Observations Of Comet 9P/Tempel 1 During The Deep Impact Event From Pic du Midi Observatory And With The ROSETTA/OSIRIS Narrow Angle Camera

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005dps....37.4414j&link_type=abstract

American Astronomical Society, DPS meeting #37, #44.14; Bulletin of the American Astronomical Society, Vol. 37, p.1568

Astronomy and Astrophysics

Astronomy

Scientific paper

We observed comet 9P/Tempel 1 before and after the impact in the visible from the Earth with the 1-m telescope at Pic du Midi Observatory and with the narrow angle camera (OSIRIS/NAC) aboard the ROSETTA spacecraft. The latter observations allowed an uninterrupted monitoring from 120 hrs pre-impact to 250 hrs post-impact, but at a low spatial resolution (1 pixel projected to 1500 km at the comet). The former observations offered a less extensive temporal coverage (about 3 hrs per night from June 25 to July 7) but at a higher spatial resolution (1 pixel projected to 600 km at the comet). The angle of 27 degrees between the two lines-of-sight further allowed to follow the same event from two different viewing angles. We present a combined preliminary analysis of the images obtained with both instruments. The dust production rate is monitored via two proxies, the [Afrho] parameter and the dust cross section, which is more appropriate in the case of a non-canonic coma. This indicates that the comet went back to its normal, pre-impact state within about 7 days of the impact thus showing that it did not create a detectable active region. Dust structures were found and followed in the coma and in the dust tail and we discuss their significance. Several spectral analysis of the pre-impact light curve reveal a periodic variation attributed to the rotation of the nucleus with a period of about 41 hrs.

Affiliated with

Also associated with

No associations

Rating

Combined Visible Observations Of Comet 9P/Tempel 1 During The Deep Impact Event From Pic du Midi Observatory And With The ROSETTA/OSIRIS Narrow Angle Camera does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Combined Visible Observations Of Comet 9P/Tempel 1 During The Deep Impact Event From Pic du Midi Observatory And With The ROSETTA/OSIRIS Narrow Angle Camera, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined Visible Observations Of Comet 9P/Tempel 1 During The Deep Impact Event From Pic du Midi Observatory And With The ROSETTA/OSIRIS Narrow Angle Camera will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1429910