A Robotic Wide-Angle H α Survey of the Southern Sky

We are conducting a robotic wide-angle imaging survey of the southern sky at 656.3 nm wavelength, the H α emission line of hydrogen. Each image of the survey covers an area of the sky 13° square at an angular resolution of approximately one arcminute, and reaches a sensitivity level of 0.5 Rayleigh...

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Bibliographic Details
Published in:International Astronomical Union Colloquium 2001, Vol.183, p.75-76
Main Authors: Gaustad, John E., Rosing, Wayne, McCullough, Peter, Van Buren, Dave
Format: Article
Language:English
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Summary:We are conducting a robotic wide-angle imaging survey of the southern sky at 656.3 nm wavelength, the H α emission line of hydrogen. Each image of the survey covers an area of the sky 13° square at an angular resolution of approximately one arcminute, and reaches a sensitivity level of 0.5 Rayleigh (3 × 10 −18 erg cm −2 s −1 arcsec −2 ), corresponding to an emission measure of 1 cm −6 pc , and to a brightness temperature for microwave free-free emission of 3 µK at 30 GHz .
ISSN:0252-9211
DOI:10.1017/S0252921100078635