Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007dps....39.5216o&link_type=abstract
American Astronomical Society, DPS meeting #39, #52.16; Bulletin of the American Astronomical Society, Vol. 39, p.520
Astronomy and Astrophysics
Astronomy
Scientific paper
On July 31, 2007 Pluto passed in front of a V=13.2 magnitude star as seen from New Zealand and Australia. Observations were attempted from eight sites. The occultation shadow path was successfully observed from the 1-m telescope at Mt. John Observatory in New Zealand using a dual instrument mount to separately observe the occultation with a blue and red channel. The occultation was also successfully observed from Tasmania using our portable telescope system. The northernmost site, Reedy Creek Observatory, observed Pluto during the event time and reported that it was not in the shadow path. Results from the analysis of these data will be presented including an estimate of the atmospheric pressure and temperature derived from the observations.
This work was supported by NASA planetary astronomy grant NNG05GF05G and NSF major research instrumentation grant AST0321338.
Blow Graham
Broughton J.
Buie Marc William
French Richard G.
Gault Dave
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