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NIR Properties of the UCM Star-Forming Galaxies

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Abstract

We have obtained near-infrared (JK) imaging for 67 star-forming galaxies from the Universidad Complutense de Madrid survey. Aperture photometry at one and three disk-scale lengths have been performed on the J, K and r-band images. By comparing the r - J, J - K colors and equivalent widths of Hα with evolutionary synthesis models we derive the mass of newly formed stars, which is typically a 1 per cent of the galaxy stellar mass. The galaxy stellar masses obtained range between 3×109 and 3×1011 M⊙. The distribution of burst strengths and specific star formation rates indicate a low level of star formation activity.

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Authors
  1. A. Gil de Paz
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  2. J. Gallego
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  3. J. Zamorano
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  4. A. Alonso-Herrero
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  5. A. Argón-Salamanca
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de Paz, A.G., Gallego, J., Zamorano, J. et al. NIR Properties of the UCM Star-Forming Galaxies. Astrophysics and Space Science 263, 147–150 (1998). https://doi.org/10.1023/A:1002133505342

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  • DOI: https://doi.org/10.1023/A:1002133505342

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