Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...322l..13a&link_type=abstract
Astronomy and Astrophysics, v.322, p.L13-L16
Astronomy and Astrophysics
Astrophysics
23
Large Magellanic Cloud, Stellar Evolution, Metallicity, Luminosity Function, Uvby Photometry
Scientific paper
With the HST PC and uvby photometry, we investigate evolutionary signatures in a field in the centre of the LMC Bar. Field stars close to the turn off point in the HR diagram are used for a study of ages and evolution of the stellar populations dominating the Bar as well as for determination of the abundance of heavy elements. Including fainter stars, we derive the corresponding luminosity function. Here, we discuss some results obtained from a preliminary version of our data. The quality of our data is high. Two strong stellar populations are obvious. A young component contains approximately 30% of the total number of stars. At least a considerable fraction of this component originated less than 500Myears ago. The older population ranges in age between around 2 and 9Gyears. The abundance of heavy elements is around [Me/H]=-0.6. The tentative luminosity function, down to y=24, resembles in shape that predicted from earlier galactic and LMC data. Parallel to arrival of further HST data, our analysis continues.
Ardeberg Arne
Gustafsson Bengt
Linde Peter
Nissen Poul Erik
No associations
LandOfFree
On the history of star formation in the bar of the Large Magellanic Cloud. does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On the history of star formation in the bar of the Large Magellanic Cloud., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the history of star formation in the bar of the Large Magellanic Cloud. will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1471949