BVJHK Surface Photometry of the Spiral Galaxy NGC 4254

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

We have used the IRIM and SQIID detectors on the Kitt Peak 1.3m telescope to image several normal late- type spiral galaxies in the infrared (JHK) bands, and have used the Lowell/NURO 0.8m telescope and NURO CCD to image these galaxies in the optical (BV). Preliminary results will be given for NGC 4254, a luminous Sc spiral in the Virgo cluster. We have been careful to extend the observations well beyond the maximum extent of the galaxy, in order to reach a true sky background and allow for accurate surface photometry in all bandpasses. Results to be presented include optical (BV) and infrared (JHK) radial surface brightness profiles, as well as color profiles. Implications of these results for the stellar population of NGC 4254 will be presented.

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