Variable stars in the bar of the Large Magellanic Cloud: the photometric catalogue

Details Variable stars in the bar of the Large Magellanic Cloud: the photometric catalogue Variable stars in the bar of the Large Magellanic Cloud: the photometric catalogue

2004-09-30

arxiv.org/abs/astro-ph/0409758v1

Astronomy and Astrophysics

Astrophysics

52 pages. Uses aa.cls, in press on A&A, figs 3 to 11, Tables 5, 6, 14 and Appendix A will appear in full only in the electroni

Scientific paper

10.1051/0004-6361:20041659

The catalogue of the Johnson-Cousins B,V and I light curves obtained for 162 variable stars (135 RR Lyrae, 4 candidate Anomalous Cepheids, 11 Classical Cepheids, 11 eclipsing binaries and 1 delta Scuti star) in two areas close to the bar of the Large Magellanic Cloud is presented along with coordinates, finding charts, periods, epochs, amplitudes, and mean quantities (intensity- and magnitude-averaged luminosities) of the variables with full coverage of the light variations. A star by star comparison is made with MACHO and OGLE II photometries based on both variable and constant stars in common, and the transformation relationships to our photometry are provided. The pulsation properties of the RR Lyrae stars in the sample are discussed in detail. Parameters of the Fourier decomposition of the light curves are derived for the fundamental mode RR Lyrae stars with complete and regular curves (29 stars). They are used to estimate metallicities, absolute magnitudes, intrinsic (B-V)o colours, and temperatures of the variable stars, according to Jurcsik and Kovacs (1996), and Kovacs and Walker (2001) method. Quantities derived from the Fourier parameters are compared with the corresponding observed quantities. In particular, the "photometric" metallicities are compared with the spectroscopic metal abundances derived by Gratton et al. (2004) from low resolution spectra obtained with FORS at the Very Large Telescope.

Affiliated with

Also associated with

No associations

Rating

Variable stars in the bar of the Large Magellanic Cloud: the photometric catalogue 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 Variable stars in the bar of the Large Magellanic Cloud: the photometric catalogue, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable stars in the bar of the Large Magellanic Cloud: the photometric catalogue will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-592713