NGC 7039

Number of stars per data source

	Reference   29 :    1 star
	Reference  173 :    1 star
	Reference  186 :    4 stars
	Reference  262 :    1 star
	Reference  445 :    2 stars
	Reference  867 :    3 stars
	Reference  904 :   34 stars
	Reference 1451 :    1 star
	Reference 1505 :    1 star

References

29: Mendoza E.E.; (1958) Astrophys. J. 128, 207; Spectroscopic and photometric study of the Be stars; 1958ApJ...128..207M
173: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric polarization and spectrographic observations of O and B Stars; 1956ApJS....2..389H
186: Deutschman W.A., Davis R.J., Schild R.E.; (1976) Astrophys. J. Suppl. 30, 97; The galactic distribution of interstellar absorption as determined from the Celescope catalog of ultraviolet stellar observations and A new catalog of ubv, Hbeta photoelectric observations; 1976ApJS...30...97D
262: Crawford D.L., Barnes J.V., Golson J.C.; (1971) Astron. J. 76,1058; Four-color, Hbeta, and UBV photometry for bright B-type stars in the northern hemisphere; 1971AJ.....76.1058C
445: Wramdemark S.; (1973) Astron. Astrophys. Suppl. 11, 365; Photoelectric UBV photometry in some Milky Way fields; 1973A&AS...11..365W
867: Ljunggren B., Oja T.; (1964) Ark. Astron. 3, 439; Photoelectric measurements of magnitudes and colours for 849 stars; 1964ArA.....3..439L
904: Zelwanowa E., Schoneich W.; (1971) Astron. Nach. 293, 155; Pekuliare A-Sternen in offenen Sternhaufen. I. Photoelektrische UBV-Photometrie und MK-Klassification von Sternen im Gebiet von NGC 7039; 1971AN....293..155Z
1451: Malmquist K.G., Ljunggren B., Oja T.; (1960) Uppsala Astron. Obs. Ann. 4, 8
1505: Appenzeller I.; (1966) Z. Astrophys. 64, 269; Polarimetrische, Photometrische und Spektroskopische Beobachtungen von Sternen im Cygnus und Orion; 1966ZA.....64..269A