A search for young stellar objects in southern dark clouds

Details A search for young stellar objects in southern dark clouds A search for young stellar objects in southern dark clouds

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99..303p&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 99, Jan. 1990, p. 303-313.

Astronomy and Astrophysics

Astronomy

24

Dark Matter, Early Stars, Molecular Clouds, Pre-Main Sequence Stars, Stellar Mass, T Tauri Stars, Astronomical Catalogs, Energy Distribution, Flux Density, Infrared Astronomy Satellite

Scientific paper

The IRAS Point Source Catalog has been used to search 482 southern dark clouds for evidence of young stellar objects. Only 6 percent of the selected dark clouds have associated IRAS sources with IRAS colors typical of pre-main-sequence stars. A study of the energy distributions obtained from JHKLM photometry and IRAS flux densities give an identification of these IRAS sources. Thirteen sources have been classified as new low-mass protostellar objects and T Tauri-type stars with nebular surrounding material disks, while four IRAS sources have no evidence of near-IR excesses and appear to be similar to post T Tauri stars in which the nebular disks are probably absent or optically thin.

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