Star-formation rates and forbidden O II emission in blue galaxies
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Abstract
view Abstract Citations (154) References (34) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Star Formation Rates and [O II] Emission in Blue Galaxies Gallagher, J. S. ; Bushouse, H. ; Hunter, D. A. Abstract Observations of [0 II] λ 3727 and Hβ emission-line strengths are presented from large-aperture spectro-photometric observations of nearby (z < 0.1) optically blue galaxies covering a wide range in surface brightness and luminosity. The [0 II] emission-line equivalent widths in these galaxies primarily lie between 30 and 100 A. Emission-line strengths in nearby blue galaxies thus resemble those found in faint galaxies at moderate-to-high redshifts (z < 0.9). The most actively star-forming nearby galaxies are characterized by surface brightness in the [0 II] line of ~10^-15^-10^-14^ ergs s^-1^ cm^-2^ arcsec^-2^ over spatial distances of more than 1 kpc. The fluxes of the [O II] and Hβ emission lines are well correlated, and thus [O II] luminosities can be used to derive approximate star-formation rates in blue galaxies. Publication: The Astronomical Journal Pub Date: March 1989 DOI: 10.1086/115015 Bibcode: 1989AJ.....97..700G Keywords: Astronomical Spectroscopy; Emission Spectra; Forbidden Transitions; Galaxies; Oxygen Spectra; Star Formation Rate; Brightness Distribution; Red Shift; Spectral Line Width; Ubv Spectra; Astrophysics; GALAXIES: GENERAL full text sources ADS | data products NED (67) SIMBAD (55)
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