NOTE: Detection of the Forbidden SO a1Δ-->X3Σ- Rovibronic Transition on Io at 1.7 μm

Details NOTE: Detection of the Forbidden SO a1Δ-->X3Σ- Rovibronic Transition on Io at 1.7 μm NOTE: Detection of the Forbidden SO a1Δ-->X3Σ- Rovibronic Transition on Io at 1.7 μm

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002icar..156..296d&link_type=abstract

Icarus, Volume 156, Issue 1, pp. 296-301 (2002).

Astronomy and Astrophysics

Astrophysics

12

Scientific paper

We report the discovery of the forbidden electronic a1Δ-->X3Σ- transition of the SO radical on Io at 1.7 μm with the W. M. Keck II telescope on 24 September 1999 (UT), while the satellite was eclipsed by Jupiter. The shape of the SO emission band suggests a rotational temperature of ~1000 K; i.e., the gas is extremely hot. We interpret the observed emission rate of ~2×1027 photons s-1 to be caused by SO molecules in the excited a1Δ state being directly ejected from the vent at a thermodynamic quenching temperature of ~1500 K, assuming a SO/SO2 abundance ratio of ~0.1 and a total venting rate of ~1031 molecules s-1 (Strobel and Wolven 2001, Astrophys. Space Sci. 277, 1-17). The shape of our complete (1.6-2.5 μm) spectrum suggests that the volcano Loki contains a small (~2 km2) hot spot at 960+/-12 K, as well as a larger (~50 km2) area at 640+/-5 K. .

Affiliated with

Also associated with

No associations

Rating

NOTE: Detection of the Forbidden SO a1Δ-->X3Σ- Rovibronic Transition on Io at 1.7 μm 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 NOTE: Detection of the Forbidden SO a1Δ-->X3Σ- Rovibronic Transition on Io at 1.7 μm, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and NOTE: Detection of the Forbidden SO a1Δ-->X3Σ- Rovibronic Transition on Io at 1.7 μm will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-782985