Single-binary star separation by ultraviolet color index diagrams

Details Single-binary star separation by ultraviolet color index diagrams Single-binary star separation by ultraviolet color index diagrams

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.335..105m&link_type=abstract

Astrophysics and Space Science, Vol. 335, No. 1, p. 105-111

Computer Science

Databases

1

Unresolved Binaries, Ultraviolet, Very Large Databases

Scientific paper

Detection of a composite flux in photometry can serve as an indication of a photometrically unresolved binarity and can contribute to the parameterization of the components of binary systems. A main goal of the present study is to develop a method of automatic photometric detection of binaries, based on multi-color photometry, theoretical stellar spectral energy distributions and general understanding of binary evolution. In particular, we consider an ultraviolet photometry where, in combination with optical and infrared photometry, interstellar reddening can be easier distinguished from temperature reddening. The following procedure is applied to achieve the declared goal. One can compose possible pairs of components, based on evolution concept. This can be done for various stages of binary evolution. Theoretical spectral energy distributions and response functions of ultraviolet photometric bands in appropriate sky surveys allow us to compute color-indices of such pairs, when they are unresolved, as well as of single stars. Usage of an interstellar extinction law gives us theoretical color-indices of reddened objects, both single stars and unresolved binaries. When plotted on a multidimensional color space, they allow us to indicate areas, where unresolved binaries can be easily separated from single stars, and identify binaries among objects, cross-matched in photometric surveys.

Affiliated with

Also associated with

No associations

Rating

Single-binary star separation by ultraviolet color index diagrams 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 Single-binary star separation by ultraviolet color index diagrams, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Single-binary star separation by ultraviolet color index diagrams will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1079549