Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...216..197s&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 216, no. 1-2, June 1989, p. 197-206. Research supported by the Alexander von H
Astronomy and Astrophysics
Astronomy
3
Gamma Ray Astronomy, H Ii Regions, Ophiuchi Clouds, Radio Astronomy, Radio Sources (Astronomy), Pre-Main Sequence Stars, Radio Spectra, Sky Surveys (Astronomy), Star Formation, T Tauri Stars
Scientific paper
The star-forming region Rho-Ophiuchi, which has been detected as a COS-B gamma-ray source, 2CG 353+16, is observed in the radio continuum at wavelengths between 1.3 cm and 21 cm. Various known and new radio sources are identified. Time variability on scales of weeks to years for two sources can be assessed with high confidence levels. The H II region origin for Oph 1, Oph 6, Oph 9 and Oph 10 is ruled out. Five new radio sources are proposed as H II region candidates on the basis of their flat frequency spectrum.
Harwit Martin
Ozel Mehmet Emin
Schinckel Antony
Schlickeiser Reinhard
Sieber W.
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