Transmission grating spectroscopy of X-ray source fields

Details Transmission grating spectroscopy of X-ray source fields Transmission grating spectroscopy of X-ray source fields

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aj.....83.1619c&link_type=abstract

Astronomical Journal, vol. 83, Dec. 1978, p. 1619-1621, 1623, 1625 (10 ff.). NSF-supported research.

Astronomy and Astrophysics

Astronomy

29

Astronomical Spectroscopy, Stellar Spectra, X Ray Sources, Early Stars, Gratings (Spectra), Magellanic Clouds

Scientific paper

Low-dispersion, unwidened spectra of stars in the fields surrounding 20 X-ray sources were obtained by use of a transmission grating placed in the converging beam of the Cassegrain focus of the Cerro Tololo 1.5-m telescope. It was possible to see a number of spectral features which allowed one to classify the stars into broad spectral groups and to identify reddened early-type stars. Possible optical counterpart candidates were identified. For each observed field a numbered finding chart and a corresponding table of spectral types are given

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