Abstract
view Abstract Citations (13) References (19) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS (V-K) colors of galaxies: statistical differences between spirals and ellipticals and the color-diameter relation for elliptical galaxies. Grasdalen, G. L. Abstract New K (2.2 observations are presented for a survey of galaxies. These sare combined with available measures of V-magnitude to form (V - K) scolors. The (V - K) colors of bright elliptical galaxies are found to shave a very small cosmic dispersion, while for a heterogeneous sample of sspiral galaxies the dispersion is quite large. There is no evidence that sthe (V - K) color of bright ellipticals depends on absolute luminosity. sThe (V - K) color of elliptical galaxies is found to have a strong sradial gradient. This conclusion is verified by detailed observations of sM87. The relation of the (V - K) color to other metal-content indicators sis briefly discussed. Subject headings: galaxies, photometry of - sinfrared Publication: The Astrophysical Journal Pub Date: February 1975 DOI: 10.1086/153361 Bibcode: 1975ApJ...195..605G full text sources ADS | data products NED (29)
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