Far-infrared photometry of the Rho Ophiuchi dark cloud

Details Far-infrared photometry of the Rho Ophiuchi dark cloud Far-infrared photometry of the Rho Ophiuchi dark cloud

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.211..563c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 211, Dec. 1, 1984, p. 563-573. Research supported by th

Astronomy and Astrophysics

Astronomy

10

Astronomical Maps, Astronomical Photometry, Far Infrared Radiation, Infrared Astronomy, Infrared Photometry, Molecular Clouds, Stellar Evolution, Balloon-Borne Instruments, Main Sequence Stars, Pre-Main Sequence Stars, Spatial Distribution, Stellar Luminosity, Stellar Mass, Temperature Distribution

Scientific paper

The region of star formation in the Rho Ophiuchi dark cloud has been mapped with a three-band far-infrared photometer flown on a balloon-borne telescope. The maps provide further detail on the spatial and temperature structure of known sources, in addition to detecting several others which have not been detected previously in the far-infrared. Surveys carried out at shorter wavelengths (with a view to determining how the range of spectral types formed is related to conditions within the region) have detected numerous stars embedded in this cloud. However, it has been difficult to differentiate between main-sequence and pre-main-sequence objects in some cases where the absorption of the cloud is uncertain. A number of these problems are resolved with measurements of source-luminosities in the far-infrared. It is concluded from the observations that quiescent conditions in the cloud favor the development of low-mass stars, whereas the formation of massive objects to the west has been triggered by some local disturbance.

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