Optical studies of X-ray sources with the MASCOT - A charge-coupled device /CCD/-based astronomical instrument

Details Optical studies of X-ray sources with the MASCOT - A charge-coupled device /CCD/-based astronomical instrument Optical studies of X-ray sources with the MASCOT - A charge-coupled device /CCD/-based astronomical instrument

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981spie..288..190r&link_type=abstract

In: Solid state imagers for astronomy; Proceedings of the Meeting, Cambridge, MA, June 10, 11, 1981. (A82-32577 15-35) Bellingha

Computer Science

Performance

Charge Coupled Devices, X Ray Sources, X Ray Telescopes, Instrument Errors, Noise Spectra, Performance Tests, Sensitivity, X Ray Astronomy

Scientific paper

The performance levels achieved by the MASCOT (MIT Astronomical Spectrometer/Camera for Optical Telescopes) on the 1.3-m telescope at the McGraw-Hill observatory in March 1981 are discussed along with preliminary data obtained in searches for optical counterparts to four 'empty-field' X-ray sources. In the W band (4000-7000 A), the MASCOT achieved a sky-limited sensitivity of +24.4 mag per sq arcsec in an 1800 s integration. The ability to flatten pictures to a level consistent with (sky + source) photon statistics and readout noise was demonstrated. For the four sources observed, an optical counterpart was established for one source (1413+13) based on positional coincidence (better than 1.8 arcsec), four possible candidates were detected in the error box of another source (100935) and upper sensitivity limits were established for optical counterparts in the error boxes for the other two sources (0920+39 and 0931-11).

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