A Population of Cold Cores in the Galactic Plane

Details A Population of Cold Cores in the Galactic Plane A Population of Cold Cores in the Galactic Plane

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apj...494l.199e&link_type=abstract

Astrophysical Journal Letters v.494, p.L199

Astronomy and Astrophysics

Astronomy

226

Galaxy: Center, Infrared: General, Infrared: Ism: Continuum, Ism: Clouds, Ism: Dust, Extinction

Scientific paper

Recent observations by the Midcourse Space Experiment (MSX) have revealed the presence of compact objects seen in absorption against bright mid-infrared emission from the Galactic plane. Examination of MSX and IRAS images of these objects reveal that they are dark from 7 to 100 mu m. We find ~2000 clouds in a 1^°x180^° scan along the Galactic equator. The data suggest these objects are dense ( n>105 cm ^{-3} ), cold ( T<20 K) cores, without accompanying envelopes.

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