SSV 13 - A disk collimated outflow?

Details SSV 13 - A disk collimated outflow? SSV 13 - A disk collimated outflow?

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...232..347s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 232, no. 2, June 1990, p. 347-355.

Astronomy and Astrophysics

Astronomy

23

Accretion Disks, Herbig-Haro Objects, Pre-Main Sequence Stars, Radio Sources (Astronomy), Stellar Evolution, Charge Coupled Devices, Cosmic Dust, Emission Spectra, Infrared Photometry, Stellar Envelopes

Scientific paper

Observations of SSV 13 are reported, including (1) submm photometry and (2) mm and submm continuum maps obtained using the 15-m Maxwell telescope with the UKT 14 bolometer receiver, (3) IR imaging obtained with the IRCAM on the 3.8-m UKIRT, and (4) 10-micron maps obtained using the UKT 16 bolometer array on the UKIRT. The data are presented graphically and characterized in detail. Elongated dust emission is found, extending to the SW of SSV 13 at position angle 215 deg, approximately perpendicular to the HH7-11 outflow. The emission appears to come from a circumstellar (accretion) disk of size less than about 4 arcsec, mass about 0.25 solar masses, temperature about 50 K, and gas density greater than 10 to the 8th/cu cm, and from a 50-arcsec NE-SW ridge of mass 4-13 solar masses and temperature 20-40 K. At 800 microns, a faint arc of emission is detected at the southern boundary of the blue outflow.

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