Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...297...98b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 297, no. 1, p. 98-102
Astronomy and Astrophysics
Astrophysics
56
Extragalactic Radio Sources, Interstellar Matter, Pre-Main Sequence Stars, Star Formation, Very Large Array (Vla), Molecular Clouds, Nebulae, Radio Emission
Scientific paper
As part of a comprehensive centimeter radio continuum survey of molecular clouds cores for deeply embedded young stellar objects, we present deep 3.6 cm Very Large Array (VLA) observations of the HH 24-26 region in the L1630 Orion molecular complex. Above a 5 sigma sensitivity threshold of 0.1 mJy, six radio sources are detected whose spatial distribution closely follows that of the dense molecular gas in the region. In addition to the previously known infrared objects SSV61 and SSV63, our observations reveal two new, weak VLA sources which coincide with strong HCO(+) and dust continuum peaks. One of them is the photostellar cold cloud fragment HH 24MMS recently discovered at 1.3 mm by Chini et al..Based on the detection of this object with the VLA, we argue that HH 24MMS is a Class O young protostar rather similar to, but probably more massive than, the rho Ophiuchi Class O source VLA 1623.
Andre Pascal
Bontemps Sylvain
Ward-Thompson Derek
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