Differential Binary Star Photometry Using the Adaptive Optics System at Starfire Optical Range

Details Differential Binary Star Photometry Using the Adaptive Optics System at Starfire Optical Range Differential Binary Star Photometry Using the Adaptive Optics System at Starfire Optical Range

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aj....112.1180t&link_type=abstract

Astronomical Journal v.112, p.1180

Astronomy and Astrophysics

Astronomy

23

Binaries: Close, Telescopes

Scientific paper

As part of an NSF effort to make the Starfire Optical Range 1.5-m telescope, equipped with laser guide star and adaptive optics, available to the astronomical community, several nights in 1995 May and October were awarded to the CHARA group in order to perform differential photometry on close binary stars. images were acquired in two near-IR pass bands of over twenty pairs and reduced by fitting both the point spread function (PSF) and the positions and intensities of the stars. The Δm values were calibrated using ten stars for which combined I and R photometric data were available in the literature. Color indices have been calculated for the individual components of these stars, allowing for the determination of spectral classifications of both components in seven of the systems.

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