Photometry of the low-luminosity spiral galaxy NGC 4136

Multicolor BVRI surface photometry of the low-luminosity (M V --18) spiral galaxy NGC 4136 is presented. The photometric parameters of its components and the color distribution over the galactic disk are estimated. The color indices and the corresponding effective ages are determined for the brighte...

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Bibliographic Details
Published in:Astronomy letters 2003-06, Vol.29 (6), p.363-371
Main Authors: Gusev, A S, Zasov, A V, Kaisin, S S
Format: Article
Language:English
Subjects:
Astronomy
Milky Way
Stars & galaxies
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Summary:Multicolor BVRI surface photometry of the low-luminosity (M V --18) spiral galaxy NGC 4136 is presented. The photometric parameters of its components and the color distribution over the galactic disk are estimated. The color indices and the corresponding effective ages are determined for the brightest star-forming regions. The disk-to-dark halo mass ratio is derived from the measured rotation curve of the galaxy. The disk mass dominates within the optical boundaries of the galaxy, so its disk can be considered as a self-gravitating system.
ISSN:1063-7737
1562-6873
DOI:10.1134/1.1579782