The discovery of an infrared reflection nebula surrounding R Coronae Australis IRS 5

Details The discovery of an infrared reflection nebula surrounding R Coronae Australis IRS 5 The discovery of an infrared reflection nebula surrounding R Coronae Australis IRS 5

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...314..317c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 314, March 1, 1987, p. 317-321.

Astronomy and Astrophysics

Astronomy

11

Infrared Astronomy, Reflection Nebulae, Stellar Radiation, Interstellar Radiation, Main Sequence Stars, Stellar Luminosity

Scientific paper

The infrared source R CrA IRS 5 in the R CrA dark cloud has been mapped, and it is found that it is extended at H (1.6 micron) and at K (2.2 micron). The geometry of the data suggest that this object consists of a disk and polar reflection lobe surrounding a star, similar to GSS 30 in the Ophiuchus dark cloud and to SGS 1 in the NGC 1333 dark cloud. The illuminating star has an effective temperature below 8000 K, a luminosity less than 9 solar luminosities, and lies above the main sequence. The luminosity of this star is smaller than the luminosity of any other known star which illuminates an infrared reflection nebula.

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