A deep VLA survey of a galactic field - A search for stellar radio emission

Astronomy and Astrophysics – Astronomy

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Radio Stars, Symbiotic Stars, T Tauri Stars, B Stars, Data Reduction, Flux Density, O Stars, Radio Astronomy, Sky Surveys (Astronomy), X Ray Binaries

Scientific paper

The authors have carried out a deep survey at λ = 20 cm of an area of 50arcmin×50arcmin in the galactic plane. A total of 110 radio sources were detected above a minimum map flux density of 150 μJy. Comparison of the source count in the field to those at high latitude indicates that the discrete source population in the plane at flux densities greater than a few tenths of a mJy is primarily extragalactic. Twenty-two of the field sources have optical counterparts to within position errors on either the O or E Palomar Sky Survey plates. Ten of these, having B < 18 mag, cannot be satisfactorily accounted for as either extragalactic objects or change coincidences. A good fraction are thus likely to be stellar sources.

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