Low-temperature infrared absorption of gaseous N2 and N2 + H2 in the 2. 0-2. 5 micron region - application to the atmospheres of Titan and Triton

Journal Article · Tue Aug 01 04:00:00 EDT 1989 · Icarus; (USA)

DOI:https://doi.org/10.1016/0019-1035(89)90146-2· OSTI ID:5474945

Mckellar, A R.W. ^[1]

---

1. National Research Council of Canada, Herzberg Institute of Astrophysics, Ottawa

Temperatures representative of the atmospheres of Titan and Triton are used in the present laboratory study of collision-induced spectra of both pure N2 and N2 + H2 mixtures in the 2.0-2.5 micron spectral range. In Titan's case, it is found that both pure and mixture absorptions are likely to be significant and of approximately equal strength. In the case of Triton, about whose atmosphere much more remains to be determined, the observed N2 absorption feature at 2.16 microns may be due to the gas rather than to the previously suggested liquid nitrogen. 31 refs.

• OSTI ID: 5474945
• Journal Information: Icarus; (USA), Journal Name: Icarus; (USA) Vol. 80; ISSN ICRSA; ISSN 0019-1035
• Country of Publication: United States
• Language: English

Related Subjects

640107* -- Astrophysics & Cosmology-- Planetary Phenomena
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ABSORPTION SPECTRA
ATMOSPHERES
ELEMENTS
HYDROGEN
INFRARED SPECTRA
LOW TEMPERATURE
NEPTUNE PLANET
NITROGEN
NONMETALS
PLANETS
SATELLITE ATMOSPHERES
SATURN PLANET
SPACE VEHICLES
SPECTRA
VEHICLES
VOYAGER SPACE PROBES