Color gradients in three Virgo ellipticals

Details Color gradients in three Virgo ellipticals Color gradients in three Virgo ellipticals

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....92.1039c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 92, Nov. 1986, p. 1039-1047.

Astronomy and Astrophysics

Astronomy

43

Astronomical Photometry, Colorimetry, Elliptical Galaxies, Virgo Galactic Cluster, Astronomical Catalogs, Gradients, Metallicity

Scientific paper

Accurate surface photometry at optical wavelengths is presented for NGC 4486, NGC 4472, and NGC 4406. Ellipses of varying ellipticity and position angle as a function of semimajor axis (A) are fit over the range in A spanned by the data, 2 ≤ A ≤ ≈400 arcsec. Color gradients in these galaxies are definitely present but are quite small. For each galaxy, the parameters describing the fit ellipses in the four colors are identical.

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