Hydrogen Dimer Features in the 2-μm Spectra of Saturn and Neptune

✍ Scribed by Laurence M. Trafton; Sang J. Kim; Thomas R. Geballe; Steven Miller

• Publisher: Elsevier Science
• Year: 1997
• Tongue: English
• Weight: 254 KB
• Volume: 130
• Category: Article
• ISSN: 0019-1035
• DOI: 10.1006/icar.1997.5825

✦ Synopsis

We report the detection of the (H 2 ) 2 dimer in the atmospheres 2. Observations and data reduction. The observations were obtained of Saturn and Neptune based on spectra of the fundamental on UT June 13 and 14, 1995 using the CGS4 Cassegrain spectrograph S 1 (1) collision-induced band of H 2 . The lines of this dimer are on the UKIRT telescope with the 150-mm camera and the echelle grating potentially useful for probing the (H 2 ) 2 ortho-para ratio and in order 26. The resolving power was R ϭ 16,000 and the spectra span its implications for atmospheric dynamical processes. We also the wavelength range 2.101-2.128 Ȑm. The pixel size was 0.Љ9 ϫ 1.Љ6 with report the detection of the (1-0) S 1 (1) quadrupole absorption rows of the array separated by 1.Љ6. The 0.Љ9 wide slit was set at position line of monomeric H 2 in these spectra.