IRAS 04238 + 5336 - A young reflection nebula surrounding a double star

Details IRAS 04238 + 5336 - A young reflection nebula surrounding a double star IRAS 04238 + 5336 - A young reflection nebula surrounding a double star

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...304..409w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 304, May 1, 1986, p. 409-417.

Astronomy and Astrophysics

Astronomy

4

Binary Stars, Infrared Astronomy, Reflection Nebulae, Stellar Envelopes, Charge Coupled Devices, Interstellar Extinction, Point Sources, Pre-Main Sequence Stars, Stellar Color, Stellar Spectrophotometry, Visible Spectrum

Scientific paper

IRAS 04238 + 5336P03 is identified with a 17th-magnitude compact nebulous object which contains a 1.6-arcsec double star. About 99 percent of the 450 solar luminosities luminosity of the source is radiated longward of 1 micron. The source displays an A-type visible spectrum, strong molecular hydrogen emission lines at 2.4 microns, and a dust emission feature at 3.3 microns. It lies within a small molecular cloud. The object is one of the first clear examples of a binary system young enough to be still interacting with the interstellar cloud out of which it formed. The infrared source is highly extended at 10 microns (about six arcsecs); it is one of the few examples of a 10 microns source that shows extended emission without a distributed heating mechanism. The results are explained by a population of very small particles that are temporarily heated to high temperatures.

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