Near-Infrared Imaging and Spectroscopy of Circumnuclear Star Formation in M100

Details Near-Infrared Imaging and Spectroscopy of Circumnuclear Star Formation in M100 Near-Infrared Imaging and Spectroscopy of Circumnuclear Star Formation in M100

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...192.6611r&link_type=abstract

American Astronomical Society, 192nd AAS Meeting, #66.11; Bulletin of the American Astronomical Society, Vol. 30, p.916

Astronomy and Astrophysics

Astronomy

Scientific paper

We present new near-infrared images and spectra of the circumnuclear star formation regions in M100. Images in J, H, and K have been obtained in conditions of 0.3'' seeing using IRCAM3 on UKIRT, and show a host of objects not apparent in previous images (cf. Knapen et al. 1995, ApJ, 443, L73). We have also obtained H- and K-band spectra with CGS4 on UKIRT of the nucleus and two of the most prominent circumnuclear star formation regions of M100. An analysis of the near-infrared colours and line ratios allows us to place new constraints on the ages, dust extinction, and stellar populations of these regions.

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