Other
Scientific paper
Nov 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...298..560p&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 298, Nov. 15, 1985, p. 560-571.
Other
15
Astronomical Photometry, Barred Galaxies, Galactic Structure, Star Distribution, Astronomical Models, Blue Stars, H Ii Regions, Luminosity
Scientific paper
Detailed surface photometry of the asymmetric barred spiral galaxy NGC 4027 is obtained from photoelectrically calibrated AAT prime-focus photographs taken in the B, V, and R bands. The apparent magnitude is BT = 11.67 which at the adopted distance of 10 Mpc gives a total corrected luminosity of LT(B) = 4.3 x 10 to the 9th solar luminosity (MT/0/ = -18.68). The galaxy has four distinct components: (1) an elliptical bar, (2) a young H II region population, (3) the spiral arms, and (4) an old disk underlying the other components, which contribute about 10 percent, 4 percent, 36 percent, and 50 percent of the total luminosity, respectively. The magnitude and colors of four surrounding faint galaxies have been measured. The brightest of these is an irregular galaxy physically associated with NGC 4027. The outer isophotes of this pair of galaxies appear to be slightly distorted due to tidal interaction.
de Vaucouleurs Gerard
Pence W. C.
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