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| Paper: |
Circumnuclear Star Formation in Spiral Galaxies from HST Images: NGC 4314 |
| Volume: |
249, The Central Kiloparsec of Starbursts and AGN: the La Palma Connection |
| Page: |
561 |
| Authors: |
Winge, Cláudia; Pastoriza, Miriani G. |
| Abstract: |
The first results of a study of the circumnuclear star-forming regions in HST broad-band images of the nearby galaxy NGC 4314 are presented. After modeling the bulge stellar population using ellipse fitting and subtracting the resulting model from the original images, aperture photometry of the individual star-forming regions in the ring was performed. For a total of 75 regions detected 3σ above the background, we obtained mean colors (f439 - f569) = -0.72 +/- 0.27, and (f569 - f814) = -0.69 +/- 0.35, with the NW regions being ~0.5 mag bluer in both colors than the NE ones, an effect that may be caused by internal reddening. |
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