The 2 micron spectrum of NGC 6240 - Evidence for more than a starburst

Details The 2 micron spectrum of NGC 6240 - Evidence for more than a starburst The 2 micron spectrum of NGC 6240 - Evidence for more than a starburst

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...307..116d&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 307, Aug. 1, 1986, p. 116-122.

Astronomy and Astrophysics

Astrophysics

86

Infrared Spectra, Seyfert Galaxies, Star Formation, Starburst Galaxies, Hydrogen, Infrared Photometry, Interacting Galaxies, Interstellar Extinction, Line Spectra, Paschen Series, Red Shift

Scientific paper

The exceptionally luminous interacting galaxy NGC 6240 has been studied with infrared spectroscopy and photometry. Emission lines of molecular hydrogen and the Paschen-alpha line of ionized hydrogen have been detected. Broad-band 10 micron and 20 micron emission has also been observed. Combined with previous optical spectroscopy and results from IRAS, the observations show that NGC 6240 cannot be explained along the lines of a superstarburst of massive stars such as seen in M82. It may be more easily understood in terms of an active nucleus similar to Seyfert galaxies.

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