Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...211l..89w&link_type=abstract
Astrophysical Journal, vol. 211, Jan. 15, 1977, pt. 2, p. L89, L90.
Astronomy and Astrophysics
Astronomy
48
Infrared Radiation, Radio Sources (Astronomy), Stellar Evolution, Water Masers, Angular Resolution, Astronomical Photometry, H Ii Regions, Interstellar Masers, Nebulae, Protostars
Scientific paper
Recent radio, infrared, and H2O maser observations show that there is a 7-arcsec angular separation between the protostarlike infrared source CRL 2591 and the compact H II region which has until now been identified with it, while the H2O maser coincides with the infrared source. This result, together with an extension of photometric measurements to 20 microns and a much improved upper limit to its angular size, reinforces the apparent similarity of CRL 2591 to the BN object in Orion and to W3/IRS 5.
Becklin Eric E.
Forster Robert J.
Matthews Keith
Neugebauer Gernot
Welch William J.
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