A study of the stellar population in the LYNDS 1641 dark cloud. I - The IRAS catalog sources

Details A study of the stellar population in the LYNDS 1641 dark cloud. I - The IRAS catalog sources A study of the stellar population in the LYNDS 1641 dark cloud. I - The IRAS catalog sources

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apjs...71..183s&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 71, Oct. 1989, p. 183-217. Research supported by NASA and NSF.

Astronomy and Astrophysics

Astronomy

99

Astronomical Catalogs, Infrared Stars, Pre-Main Sequence Stars, Star Formation, Stellar Evolution, Emission Spectra, Infrared Astronomy Satellite, Spectral Energy Distribution, T Tauri Stars, Tables (Data)

Scientific paper

The character of the sources identified in the IRAS Point Source Catalog and located within the boundaries of the nearest giant molecular cloud, Lynds 1641 is discussed. New optical and near-infrared photometry are combined to provide spectral energy distributions (SEDs) for these objects divided into three classes: class I objects with flat or rising spectra, class II objects with spectra intermediate in slope between a flat and blackbody spectrum, and class III objects with spectra similar to those of blackbodies. It is found that L1641 contains a much larger percentage of class I sources than does the nearby Taurus-Auriga star-forming complex. Spectral energy distributions for the IRAS-selected sample are examined and compared with SEDs for young stellar objects (YSOs) located in Taurus-Auriga. The IRAS-selected sources having optical counterparts in the H-R diagram are identified and discussed along with the distribution of masses and ages for these YSOs.

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