Discovery of broad Brackett-alpha emission in ARP 220

Details Discovery of broad Brackett-alpha emission in ARP 220 Discovery of broad Brackett-alpha emission in ARP 220

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...316l..63d&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 316, May 15, 1987, p. L63-L66.

Astronomy and Astrophysics

Astrophysics

50

Galactic Nuclei, Galactic Rotation, Hydrogen Recombinations, Infrared Radiation, Seyfert Galaxies, Flux Density, Morphology, Starburst Galaxies

Scientific paper

The Brackett-α hydrogen recombination emission from the luminous
galaxy Arp 220 is observed to be both weak and very broad, with a FWHM
of 1300 km s-1. This line width is not typical of a starburst
region but is characteristic of emission lines in Seyfert galaxies.

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