Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....56..323c&link_type=abstract
Astronomy and Astrophysics, vol. 56, no. 1-2, Apr. 1977, p. 323-325.
Astronomy and Astrophysics
Astronomy
20
Astronomical Photometry, Infrared Astronomy, Interstellar Extinction, Interstellar Matter, Near Infrared Radiation, Astronomical Catalogs, Astronomical Photography, Image Tubes, Spectrum Analysis, Stellar Spectrophotometry
Scientific paper
Observational evidence on the IR sources within the Ophiuchus dark cloud
is derived from image-tube photographs in the near infrared and from
photometry at 2 microns. Twenty-six of the 69 sources detected by
Grasdalen et al. (1973) and Vrba et al. (1975) are confirmed as stellar
objects. Spectral types and extinction values are given.
Chini Rolf
Elsaesser Hans
Hefele H.
Weinberger Ram
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