The rotational temperature and column density of H3+ in Uranus

Details The rotational temperature and column density of H3+ in Uranus The rotational temperature and column density of H3+ in Uranus

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003p%26ss...51.1013e&link_type=abstract

Planetary and Space Science, Volume 51, Issue 14-15, p. 1013-1016.

Astronomy and Astrophysics

Astrophysics

3

Infrared Spectroscopy, Planetary Atmospheres, Uranus

Scientific paper

H3+ emission from Uranus has been observed repeatedly for over a decade. However, the details of the emission mechanisms are still poorly understood. In this paper, we discuss our findings from the observations we made in September 2000 and September 2001. The spectrum of Uranus was recorded at the NASA Infrared Telescope Facility using the SpeX instrument between 3 and 5μm, with a resolving power of 1000. The 3.4-4.1μm range permits a determination of both the H3+ column density and its rotational temperature. The H3+ emission, measured at 3.986μm in the 0.8×3.7arcsec aperture, was 0.031Jy in September 2000 and 0.053Jy in September 2001. The rotational temperature was found to be 560+/-40K and 640+/-40K in 2000 and 2001 respectively, with corresponding column densities of 5.1(+3.2,-1.4)1011 and 4.0(+1.8,-1.0)1011cm-2. These results extend the baseline for the variability study of the H3+ emission (Astrophys. J. 524 (1999) 1059). Previous observations between 1992 and 1998 seemed to indicate a correlation between the H3+ intensity and the solar cycle. The current data for 2000 and 2001 appear to be consistent with this general tendency.

Affiliated with

Also associated with

No associations

Rating

The rotational temperature and column density of H3+ in Uranus 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 The rotational temperature and column density of H3+ in Uranus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The rotational temperature and column density of H3+ in Uranus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1549905