The double nature of RCW57/irs1

Details The double nature of RCW57/irs1 The double nature of RCW57/irs1

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...259..627m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 259, no. 2, p. 627, 628.

Astronomy and Astrophysics

Astronomy

9

Binary Stars, H Ii Regions, Image Resolution, Infrared Imagery, Interstellar Matter, Star Formation, Broadband, High Resolution, Infrared Sources (Astronomy), Spatial Resolution

Scientific paper

High spatial resolution images of the infrared source RCW57/irs1 obtained through broadband K and L filters reveal that this source consists of two components separated by 1.5 arcsec. The northern component is point-like while the southern one is diffuse, it is extremely red, and its position shifts with wavelength. This implies that the southern component is not seen directly, and its light is probably scattered toward the observer by circumstellar dust. The southern component is probably the one responsible for the bulk of the luminosity.

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