SPECTROSCOPIC OBSERVATIONS OF CYGNUS X-1 OPTICAL CANDIDATE

[1] [Anonymous], APJS

[2] BAITY WA, 1972, OCT HIGH EN ASTR DIV

[3] BOLTON CT, TO BE PUBLISHED

[4] FURTHER RADIO OBSERVATIONS OF CYGNUS X-1 [J]. NATURE-PHYSICAL SCIENCE, 1972, 235 (60): : 147 - &

[5] BRUCATO R, 1972, IAU2421 CIRC

[6] CHEREPASHCHUK AM, TO BE PUBLISHED

[7] SPECTROSCOPIC STUDIES OF O-TYPE STARS .1. CLASSIFICATION AND ABSOLUTE MAGNITUDES [J]. ASTROPHYSICAL JOURNAL, 1971, 170 (02) : 325 - &

[8] ECLIPSING BINARY MODEL OF CYGNUS XR-1 [J]. NATURE, 1971, 233 (5315) : 109 - &

[9] VARIABLE X-RAY SPECTRUM OF CYG-XR-1 [J]. SPACE SCIENCE REVIEWS, 1970, 10 (06) : 830 - &

[10] OPTICAL IDENTIFICATION OF CYGNUS X-1 [J]. ASTROPHYSICAL JOURNAL, 1971, 168 (03) : L91 - +

[1] [Anonymous], APJS

[2] BAITY WA, 1972, OCT HIGH EN ASTR DIV

[3] BOLTON CT, TO BE PUBLISHED

[4] FURTHER RADIO OBSERVATIONS OF CYGNUS X-1 [J]. NATURE-PHYSICAL SCIENCE, 1972, 235 (60): : 147 - &

[5] BRUCATO R, 1972, IAU2421 CIRC

[6] CHEREPASHCHUK AM, TO BE PUBLISHED

[7] SPECTROSCOPIC STUDIES OF O-TYPE STARS .1. CLASSIFICATION AND ABSOLUTE MAGNITUDES [J]. ASTROPHYSICAL JOURNAL, 1971, 170 (02) : 325 - &

[8] ECLIPSING BINARY MODEL OF CYGNUS XR-1 [J]. NATURE, 1971, 233 (5315) : 109 - &

[9] VARIABLE X-RAY SPECTRUM OF CYG-XR-1 [J]. SPACE SCIENCE REVIEWS, 1970, 10 (06) : 830 - &

[10] OPTICAL IDENTIFICATION OF CYGNUS X-1 [J]. ASTROPHYSICAL JOURNAL, 1971, 168 (03) : L91 - +