Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...287..610l&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 287, Dec. 15, 1984, p. 610-621.
Astronomy and Astrophysics
Astronomy
330
Infrared Astronomy, Molecular Clouds, Star Clusters, Stellar Evolution, Stellar Luminosity, Bolometers, Early Stars, Millimeter Waves, T Tauri Stars
Scientific paper
The authors present results of mid-infrared (primarily 10 and 20 μm wavelength) observations of previously identified members of the embedded populatin of the ρ Ophiuchi dark cloud. These observations enable determination of broad-band energy distributions for 32 of the 44 sources known to be embedded in the cloud. The majority of the sources emit the bulk of their luminosity between 1 μm and 20 μm. These sources apparently are surrounded by dust shells and are probably pre-main-sequence in nature. It is found that the embedded cluster is predominantly composed of low-luminosity objects with luminosities in the range 0.1 ≤ L/L_sun; ≤ 25. When corrected for observational selection effects, the resulting luminosity function appears to be deficient in intermediate-luminosity stars compared with the luminosity function for field stars.
Lada Charles J.
Wilking Bruce A.
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