Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542919w&link_type=abstract
American Astronomical Society, AAS Meeting #215, #429.19; Bulletin of the American Astronomical Society, Vol. 42, p.353
Astronomy and Astrophysics
Astrophysics
Scientific paper
We present continuum-subtracted near-infrared spectral line images of a confirmed massive pre-ZAMS object, which has not been detected at continuum wavelengths shorter than 24 microns. These images were obtained using the NIC-FPS camera on the Astrophysical Research Consortium 3.5-meter telescope at the Apache Point Observatory. We detect bipolar H2 (2.12 microns) emission within 4 arcsec of the position of the massive protostar, which is the approximate size of the core detected previously through interferometric millimeter-wave observations. We use the optical depth derived from millimeter observations, and assumptions regarding the extinction curve, to estimate the extinction at 2.12 micron and the H2 line flux. Our results have important implications for the nature of outflows from massive protostars. This research was partially funded through an Illinois Space Grant Consortium Seed Grant.
Medford M.
Smutko Michael
Wolf-Chase Grace A.
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