Simultaneous uvby photometry of the new d Sct-type variable HD 205
- Author(s)
- Eloy Rodriguez, Victor Costa, Gerald Handler, José Manuel Garcia
- Abstract
The star HD 205 has been discovered to be a new d Sct-type pulsator through simultaneous uvby photometric observations carried out during the autumn of 2001. A few Hß-Crawford measurements were also collected. The calibration of the Strošmgren photometric indices places this star in the middle part of the d Sct instability strip. The behaviour of the light curves is shown to be very complex with a lot of frequencies necessary to fit the data. The data in the bands, v, b and y were analyzed separately to confirm detected pulsations and then combined using a weighting scheme to maximize the signal-to-noise ratio. Nine frequencies were detected with the present data, but several more are probably present. The majority of the detected frequencies are due to nonradial low order p-modes as is commonl in d Sct variables.
- Organisation(s)
- Department of Astrophysics
- External organisation(s)
- Instituto de Astrofísica de Andalucía (CSIC), Universidad de Murcia
- Journal
- Astronomy & Astrophysics
- Volume
- 399
- Pages
- 253-262
- No. of pages
- 10
- ISSN
- 0004-6361
- Publication date
- 2003
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103003 Astronomy
- Portal url
- https://ucrisportal.univie.ac.at/en/publications/37841c53-d41c-4f31-bd65-f1084601eb75