Two micron spectroscopy of the Blue Compact Dwarf Galaxy Haro 2

Journal Article · Thu Mar 01 04:00:00 EST 1990 · Astrophysical Journal; (USA)

DOI:https://doi.org/10.1086/168479· OSTI ID:7135180

Davidge, T J; Maillard, J P ^[1]

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1. Canada-France-Hawaii Telescope Corp., Kamuela, HI (USA) CNRS, Institut d'Astrophysique, Paris (France)

This paper discusses the results of 2-micron spectroscopic observations of the Blue Compact Dwarf Galaxy (BCDG) Haro 2, obtained with the 3.6-m Canada-France-Hawaii Telescope. The spectrum contains emission lines of H I, He I, Fe II, and H2 and strong absorption originating from Delta-v = 2 transitions of CO. The strengths of the various features are discussed and the extinction in the 2-micron region is estimated. The spectrum of Haro 2 is compared with those of other BCDGs and the starburst galaxies NGC 253 and M82. It is found that, in many respects, Haro 2 is a typical starburst galaxy and that its blue near-IR colors are not necessarily a sign of youth. 35 refs.

• OSTI ID: 7135180
• Journal Information: Astrophysical Journal; (USA), Journal Name: Astrophysical Journal; (USA) Vol. 351; ISSN ASJOA; ISSN 0004-637X
• Country of Publication: United States
• Language: English

Related Subjects

640105* -- Astrophysics & Cosmology-- Galaxies
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COLOR
COMPARATIVE EVALUATIONS
COSMIC GASES
EMISSION SPECTRA
FLUIDS
GALAXIES
GASES
INFRARED SPECTRA
INTERSTELLAR SPACE
OPTICAL PROPERTIES
ORGANOLEPTIC PROPERTIES
PHYSICAL PROPERTIES
SPACE
SPECTRA
STAR EVOLUTION