Volume 431, Number 2, February IV 2005
|Page(s)||587 - 596|
|Section||Stellar structure and evolution|
|Published online||04 February 2005|
Differential photometry of speckle-interferometric binary and multiple stars
Subaru Telescope, National Astronomical Observatory of Japan, 650 North A'ohoku Place, Hilo, HI 96720, USA e-mail: email@example.com
2 Special Astrophysical Observatory, Nizhnij Arkhyz, Zelenchuk region, Karachai-Cherkesia, 369167, Russia
3 Institute of Astronomy of Kharkov National University, Sumskaya 35, 61022 Kharkov, Ukraine
Accepted: 3 October 2004
A method for differential photometry of speckle-interferometric binary and multiple stars is presented. Both the accuracy and sources of systematic errors of the method are analysed. The photometric accuracy ranges between 002 and 020, depending on the atmospheric seeing, the brightness and the separation of the system components. A comparison between our magnitude differences and those of other authors is presented.
Key words: stars: binaries: visual / techniques: interferometric / techniques: photometric / stars: general
© ESO, 2005
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