Discovery of Four New Massive and Dense Cold Cores

Details Discovery of Four New Massive and Dense Cold Cores Discovery of Four New Massive and Dense Cold Cores

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004apj...610..313g&link_type=abstract

The Astrophysical Journal, Volume 610, Issue 1, pp. 313-319.

Astronomy and Astrophysics

Astronomy

47

Ism: Dust, Extinction, Ism: Clouds, Ism: Molecules, Stars: Formation

Scientific paper

We report the identification, from a 1.2 mm dust continuum emission survey toward massive star-forming regions, of four strong 1.2 mm sources without counterparts at mid-infrared (Midcourse Space Experiment [MSX]) and far-infrared (IRAS) wavelengths. They have radii in the range 0.2-0.3 pc, dust temperatures <=17 K, masses in the range 4×102-2×103 Msolar, and densities of ~2×105 cm-3. We suggest that these objects are massive and dense cold cores that will eventually collapse to form high-mass stars.

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