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

Details A Robotic Wide-Angle H-alpha Survey of the Southern Sky A Robotic Wide-Angle H-alpha Survey of the Southern Sky

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...197.0427r&link_type=abstract

American Astronomical Society, 197th AAS Meeting, #04.27; Bulletin of the American Astronomical Society, Vol. 33, p.709

Astronomy and Astrophysics

Astrophysics

Scientific paper

We have completed a wide-angle imaging survey of the entire southern sky (δ < +10 degrees) at 656.3 nm wavelength, the Hα emission line of hydrogen. Each image of the survey covers an area of the sky 13 degrees square at an angular resolution of approximately one arcminute, and reaches a sensitivity level of 0.5 Rayleigh (3 x 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 μ K at 30 GHz. The survey was done with a CCD detector, a commercial camera lens, and narrow-band interference filters, mounted on a robotic telescope platform located at Cerro Tololo Inter-American Observatory in Chile. This work was supported by grants from Las Cumbres Observatory, NSF, NASA, JPL, Dudley Observatory, the Fund for Astrophysical Research, Research Corporation, the University of Illinois at Urbana-Champaign, and Swarthmore College.

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