The V - /2.2 micron/ colors of elliptical galaxies

Details The V - /2.2 micron/ colors of elliptical galaxies The V - /2.2 micron/ colors of elliptical galaxies

Sep 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...200l.123f&link_type=abstract

Astrophysical Journal, vol 200, Sept. 15, 1975, pt. 2, p. L123-L126.

Astronomy and Astrophysics

Astronomy

17

Astronomical Photometry, Elliptical Galaxies, Galactic Structure, Infrared Astronomy, Visual Photometry, Absorption Spectra, Color, Data Acquisition, Luminous Intensity, Spectrophotometry, Star Distribution, Stellar Spectrophotometry

Scientific paper

Infrared photometric measurements of 19 normal and giant elliptical galaxies are reported which were made with apertures having diameters 0.1 to 1.3 times the visual galactic diameters. The derived V (2.2 micron) colors, ranging from 3.15 to 3.60 magnitudes, are compared with the results of Grasdalen (1975) for 28 spiral and elliptical galaxies. All but one of the present magnitudes are found to be systematically brighter than Grasdalen's by 0.07 to 0.46 magnitude, and no significant radial color gradient is observed.

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