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- W1992757957 abstract "view Abstract Citations (19) References (5) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Further Simultaneous Observations of the Optical and X-Ray Spectra of SCO X-1 Mark, Hans ; Price, R. E. ; Rodrigues, R. ; Seward, F. D. ; Swift, C. D. ; Hiltner, W. A. Abstract Simultaneous observations have again been made of the fluctuating optical and X-ray emission from Sco X-1. Previous measurements and a discussion of possible correlation have been published. Two new measurements are reported here in which the optical intensity was relatively faint (B = 13.14 and 13.22 mag). The X-ray intensity was 2.5 X 1O~ and 2.2 X 1O~ erg cm2 sec' between 2 and 20 keV, and the apparent plasma temperatures (KT) were 7 and 5.5 keV. An extrapolation of the X-ray spec- trum was compared with the observed optical spectrum, yielding agreement. Parameters, viz., plasma radius and density and total energy flux, of a model previously proposed are inferred from the present data. It is noted that the total energy flux is greatest when the object is brightest Publication: The Astrophysical Journal Pub Date: May 1969 DOI: 10.1086/180351 Bibcode: 1969ApJ...156L..67M full text sources ADS | Related Materials (1) Erratum: 1969ApJ...158L.131M" @default.
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- W1992757957 date "1969-05-01" @default.
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- W1992757957 title "Further Simultaneous Observations of the Optical and X-Ray Spectra of SCO X-1" @default.
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