Observations of Brackett-alpha emission in the region of the BN object

Details Observations of Brackett-alpha emission in the region of the BN object Observations of Brackett-alpha emission in the region of the BN object

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...220..156j&link_type=abstract

Astrophysical Journal, Part 1, vol. 220, Feb. 15, 1978, p. 156-158.

Astronomy and Astrophysics

Astrophysics

19

Infrared Radiation, Nebulae, Radiation Distribution, Spectral Emission, Astronomical Maps, Hydrogen Atoms, Interstellar Extinction, Radiative Recombination

Scientific paper

The hydrogen B-alpha emission around the region of the Becklin-Neugebauer (BN) object has been mapped. An extended distribution of B-alpha emission around the BN object has been found. This emission appears to arise in the foreground nebula M42. A local maximum of B-alpha emission at the BN object has been observed whose strength is in quantitative agreement with previous observations by Grasdalen (1976). A marginal detection of the B-gamma line toward BN suggests the visual extinction may be approximately 35 mag to the object.

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