Near infrared imaging spectroscopy of Venus with the Anglo-Australian Telescope

Details Near infrared imaging spectroscopy of Venus with the Anglo-Australian Telescope Near infrared imaging spectroscopy of Venus with the Anglo-Australian Telescope

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008p%26ss...56.1385b&link_type=abstract

Planetary and Space Science, Volume 56, Issue 10, p. 1385-1390.

Physics

7

Scientific paper

We have obtained full-disk spatially resolved spectra of the Venus nightside at near-infrared wavelengths during July 2007 using the Anglo-Australian Telescope and Infrared Imager and Spectrograph 2 (IRIS2). The data have been used to map the intensity and rotational temperature of the O2(aΔg) airglow band at 1.27μm. The temperatures agree with those obtained in earlier IRIS2 observations and are significantly higher than expected from the Venus International Reference Atmosphere (VIRA) profile. We also report the detection of the corresponding ν=0 1O2 airglow band at 1.58μm with a similar spatial distribution to the 1.27μmν=0 0 band. Observations in the 1.18μm thermal window have been used to image surface topography using two different methods of cloud correction. We have also obtained 2.3μm images that can be used to study cloud motion.

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