Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999iaus..192...65c&link_type=abstract
The stellar content of Local Group galaxies, Proceedings of the 192nd symposium of the International Astronomical Union held in
Astronomy and Astrophysics
Astronomy
7
Scientific paper
The DeNIS survey maps the Southern Hemisphere simultaneously in three photometric bands: I (0.8 micron), J (1.25 micron) and Ks (2.15 micron) to limiting magnitudes of respectively 18, 16 and 14. Data reduction takes place at two different centres: Paris and Leiden. The publication of a point source catalogue in the Magellanic Clouds is one of the main goals of the project. We are going to present part of the content of such a catalogue and discuss the results obtained so far. DeNIS data clearly fill the RGB and AGB branches much better than so far has been achieved. In the two-color diagram (I--K) versus (J-K), C rich stars are in an area different from that of the normal (M-type) stars. Thus it is possible to study the spatial distribution and the luminosity function of both of these stellar groups. The observed distribution of I, J, and Ks magnitudes will also be compared to theoretical distributions based on recent calculations of stellar evolution.
DENIS Consortium
Epchtein Nicolas
Groenewegen Martin A. T.
Habing Harm J.
Loup Caroline
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