Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236..117h&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Jan. 1, 1989, p. 117-127. Research supported by SE
Astronomy and Astrophysics
Astronomy
23
A Stars, Infrared Astronomy Satellite, Stellar Mass Ejection, Far Infrared Radiation, Infrared Photometry, Near Infrared Radiation, Stellar Magnitude
Scientific paper
The nature of the optically invisible young stellar object, IRAS 12496-7650 in the Chamaeleon T2 association, is investigated using far- and near-infrared photometry. Its bolometric luminosity is found to be about 50 solar luminosities. Its near-infrared magnitudes are strongly variable and have very red colors, indicating that it is deeply embedded in dust. The 60- and 100-micron IRAS images show extended emission connecting the embedded star with the HH 52-54 group of Herbig-Haro objects which lie about 14 arcmin north-east of the IRAS source. Similar extended emission is found to the south-west, consistent with the presence of outflowing material that heats the local dust in some way. It is suggested that 12496-7650 is a deeply dust-embedded Ae star with an outflow which is similar in extent to that from L1551 IRS5.
Emerson James P.
Hughes Joanne D.
Whitelock Patricia A.
Zinnecker Hans
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