IC 4756

Number of stars per data source

	Reference    1 :    1 star
	Reference    5 :    3 stars
	Reference  164 :    1 star
	Reference  225 :   27 stars
	Reference  345 :    1 star
	Reference  359 :   13 stars
	Reference  379 :    1 star
	Reference  452 :    1 star
	Reference  473 :    1 star

References

1: Stromgren B., Perry C.L.; (1965) Astron. J. 71, 709; Institute for Advanced Study, Princeton, N. J. second version, unpublished Crawford D.L., Barnes J.V., Faure B.Q., Golson J.C. Photoelectric Hbeta photometry for 1217 stars brighter than V = 6.5 mag; 1965AJ.....71..709
5: Cameron R.C.; (1966) Georgetown Obs. Monogr. no. 21; An investigation of the magnetic and related stars through narrow-band photometry
164: Gronbech B., Olsen E.H.; (1977) Astron. Astrophys. Suppl. 27, 443; Photoelectric Hbeta photometry for bright O to G0 type stars south of declination +10; 1977A&AS...27..443G
225: Schmidt E.G.; (1978) Publ. Astron. Soc. Pacific 90, 157; A four - color and Hbeta study of the galactic cluster IC 4756; 1978PASP...90..157S
345: Olsen E.H.; (1983) Astron. Astrophys. Suppl. 54, 55; Four-colour ubvy and Hbeta photometry of A5 to G0 stars brighter than 8.3m; 1983A&AS...54...55O
359: Schmidt E.G., Forbes D.; (1984) Mon. Not. R. Astr. Soc. 208, 83; Rotational velocities of stars in IC 4756 and the calibration of intermediate band photometry for A stars; 1984MNRAS.208...83S
379: Eggen O.J.; (1985) Astron. J. 90, 1260; Cepheids and nonvariable supergiants; 1985AJ.....90.1260E
452: Ferro A.A., Parrao L., Schuster W., Gonzalez-Bedolla S., Peniche R., Pena J.H.; (1990) Astron. Astrophys. Suppl. 83, 225; An uvby Beta catalogue of FO-KO supergiant stars brighter than V=6.5; 1990A&AS...83..225F
473: Eggen O.J.; (1992) Astron. J. 103, 1381; Photometry of F-K type bright giants and supergiants. I. Intermediate band and Hbeta observations; 1992AJ....103.1381E