Other
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....105..980m&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 105, no. 3, p. 980-1001, 1225-1233.
Other
137
Galactic Clusters, Magellanic Clouds, Massive Stars, Star Distribution, Stellar Spectrophotometry, Wolf-Rayet Stars, Charge Coupled Devices, Hertzsprung-Russell Diagram, Interstellar Extinction, Point Spread Functions
Scientific paper
The stellar content of the region around the star Eta Carinae, including the two Galactic OB clusters Tr 14 and Tr 16, are investigated using CCD photometry and spectroscopy. A physical H-R diagram is constructed which shows that several stars are located above the 85-solar mass track, as well as that the location of Eta Carinae is consistent with the interpretation that it is a very massive star undergoing a normal evolutionary stage. The W-R star which is present in this region is lower in luminosity than expected. The initial mass function derived, which is similar to two other young Galactic clusters studied, has a slope flatter than some regions in the Magellanic Clouds that are also rich in massive stars. The most luminous and massive stars near Eta Carinae are not significantly more than the most luminous and massive stars found in the Magellanic Clouds.
Johnson Jennifer
Massey Philip
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