Dense cores in dark clouds - Young embedded stars at 2 micrometers

Details Dense cores in dark clouds - Young embedded stars at 2 micrometers Dense cores in dark clouds - Young embedded stars at 2 micrometers

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...279l..27b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 279, April 1, 1984, p. L27-L30. NASA-NSF-supported

Astronomy and Astrophysics

Astronomy

51

Early Stars, Pre-Main Sequence Stars, Stellar Cores, Stellar Evolution, Stellar Spectra, Density Distribution, Infrared Astronomy, Micrometers, Molecular Clouds

Scientific paper

Twenty-five visually opaque regions which contain strong sources of NH3 (1,1) line emission (dense cores) have been surveyed for evidence of associated stars at two microns. Five such stars have been found, of which three - in B5, L1489, and L1582 - are optically invisible and probably embedded in their associated cores. The stars in B5 and L1489 have 2-100 micron spectra and luminosity similar to those of HL Tau, a very young T Tauri star. These stars probably formed in the cores where they are now seen. These results tend to confirm earlier suggestions that low-mass stars form in dense cores.

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