NGC 581
Number of stars per data source
Reference 87 : 1 star
Reference 173 : 1 star
Reference 252 : 1 star
Reference 464 : 5 stars
Reference 821 : 16 stars
Reference 841 : 1 star
Reference 1081 : 73 stars
Reference 1341 : 19 stars
Reference 1385 : 1 star
References
- 87
- Lee T.A.
- (1970) Astrophys. J. 162, 217
- Photometry of high-luminosity M-type stars
- 1970ApJ...162..217L
- 173
- Hiltner W.A.
- (1956) Astrophys. J. Suppl. 2, 389
- Photometric polarization and spectrographic observations of O and B Stars
- 1956ApJS....2..389H
- 252
- Humphreys R.M.
- (1970) Astron. J. 75, 602
- The space distribution and kinematics of supergiants
- 1970AJ.....75..602H
- 464
- Burnichon M.L., Garnier R.
- (1976) Astron. Astrophys. Suppl. 24, 89
- Photometrie photoelectrique UBV des composantes de 20 systemes multiples stellaires jeunes
- 1976A&AS...24...89B
- 821
- Purgathofer A.
- (1964) Ann. Univ. Sternw. Wien 26 no 2
- Dreifarben Photometrie in offenen Sternhaufen sowie in zwei Sternfelden in Cygnus
-
- 841
- Bouigue R.
- (1959) Ann. Obs. Toulouse 27, 47
- Contribution aux recherches de photometrie photoelectrique dans la Galaxie. I, II, II, IV, V.
- 1959AnTou..27...47B
- 1081
- Sagar R., Joshi U.C.
- (1978) Bull. Astron. Soc. India 6, 12
- Study of the galactic cluster NGC 581
- 1978BASI....6...12S
- 1341
- Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.
- (1961) Publ. US. Nav. Obs. 17, 343
- Photometry of stars in galactic cluster fields
- 1961PUSNO..17..343H
- 1385
- Eggen O.J.
- (1968) Royal Obs. Bull. No. 137
- Three-colour photmetry of 4000 northern stars
- 1968RGOB..137....1E