NGC 2244
Number of stars per data source
Reference 20 : 1 star
Reference 65 : 15 stars
Reference 69 : 1 star
Reference 74 : 16 stars
Reference 88 : 5 stars
Reference 96 : 1 star
Reference 98 : 5 stars
Reference 120 : 15 stars
Reference 206 : 1 star
Reference 211 : 5 stars
Reference 275 : 2 stars
Reference 338 : 6 stars
Reference 531 : 2 stars
Reference 538 : 16 stars
Reference 832 : 2 stars
Reference 864 : 5 stars
Reference 865 : 2 stars
Reference 921 : 2 stars
Reference 941 : 1 star
Reference 1001 : 193 stars
Reference 1029 : 36 stars
Reference 1034 : 13 stars
References
- 20
- Johnson H.L., Morgan W.W.
- (1953) Astrophys. J. 117, 313
- Fundamental stellar photometry for standards of spectral type on the revised system of the Yerkes Spectral Atlas
- 1953ApJ...117..313J
- 65
- Johnson H.L.
- (1962) Astrophys. J. 136, 1135
- The galactic cluster NGC 2244
- 1962ApJ...136.1135J
- 69
- Hiltner W.A., Morgan W.W., Neff J.S.
- (1965) Astrophys. J. 141, 183
- Studies in spectral classification. II. The HR diagram of NGC 6530
- 1965ApJ...141..183H
- 74
- Morgan W.W., Hiltner W.A., Neff J.S., Garrison R.
- (1965) Astrophys. J. 142, 974
- Studies in spectral classification. III. The H-R diagrams of NGC 2244 and NGC 2264
- 1965ApJ...142..974M
- 88
- Conti P.S., Alschuler W.R.
- (1971) Astrophys. J. 170, 325
- Spectroscopic studies of O-type stars. I. Classification and absolute magnitudes
- 1971ApJ...170..325C
- 96
- Conti P.S.
- (1973) Astrophys. J. 179, 161
- Spectroscopic studies of O-type stars. II. Comparison with non-LTE models
- 1973ApJ...179..161C
- 98
- Conti P.S., Leep E.M.
- (1974) Astrophys. J. 193, 113
- Spectroscopic observations of O-type stars. V. The hydrogen lines and lambda 4686 He II
- 1974ApJ...193..113C
- 120
- Massey P., Johnson K.E., DeGioia-Eastwood K.
- (1995) Astrophys. J. 454, 151
- The initial mass function and massive star evolution in the OB associations of northern Milky Way
- 1995ApJ...454..151M
- 206
- Hiltner W.A.
- (1956) Astrophys. J. Suppl. 2, 389
- Photometric, polarization and spectrographic observations of O and B stars
- 1956ApJS....2..389H
- 211
- Walborn N.R.
- (1971) Astrophys. J. Suppl. 23, 257
- Some spectroscopic characteristics of the OB stars: An investigation of the space distribution of certain OB stars and the reference frame of the classification
- 1971ApJS...23..257W
- 275
- Walborn N.R.
- (1972) Astron. J. 77, 312
- Spectral classification of OB stars in both hemisphere and the absolute-magnitude calibration
- 1972AJ.....77..312W
- 338
- Li J.R., Wu C.H., Chen W.P., Rector T., Chu Y.H., Ip W.H.
- (2002) Astron. J. 123, 2590
- Strong emission-line stars identified toward the Rosette Nebula
- 2002AJ....123.2590L
- 531
- Hoag A.A., Smith E.V.P.
- (1959) Publ. Astr. Soc. Pacific 71, 32
- Polarization in NGC 2244
- 1959PASP...71...32H
- 538
- Hoag A.A., Smith E.P.
- (1959) Publ. Astr. Soc. Pacific 71, 32
- Polarization in NGC2244
- 1959PASP...71...32H
- 832
- Feast M.W., Thackeray A.D., Wesselink A.J.
- (1957) Mem. R. Astr. Soc. 68, 1
- Radial velocities of southern B stars determined at the Radcliffe Observatory
- 1957MmRAS..68....1F
- 864
- Boulon J., Fehrenbach C.
- (1960) Publ. Obs. Haute-Provence 4 no 55
- La mesure des vitesses radiales au prisme objectif. X. 4eme liste de vitesses radiales determinees au prisme objetcif a vision directe
-
- 865
- Barbier M., Boulon J.
- (1960) Publ. Obs. Haute-Provence 5 no 3
- La mesure des vitesses radiales au prisme objectif. XI. 1eme liste de vitesses radiales d'etoiles O et B determinees au prisme objetcif a vision directe
-
- 921
- Bisiacchi G.P., Firmani C., Ortega R., Peniche R.
- (1976) Rev. Mex. Astron. Astrofis. 2, 13
- Spectral classification of early type stars. Calibration using a TV-vidicon multichannel system
- 1976RMxAA...2...13B
- 941
-
- (1961) R. Obs. Cape Mim. no 12
-
-
- 1001
- Verschueren W.
- (1991) Thesis (Free Univ. Brussels)
- High precision radial velocity determination from CCD echelle spectra of early type stars in the young cluster NGC 2244
-
- 1029
- Kharchenko N.V., Piskunov A.E., Röser S., Schilbach E., Scholz R.-D.
- (2005) Astron. Astrophys. 438, 1163
- Astrophysical parameters of galactic open clusters
- 2005A&A...438.1163K
- 1034
- Wolff S.C., Strom S.E., Dror D., Venn K.
- (2007) Astron. J. 133, 1092
- Rotational Velocities for B0-B3 Stars in Seven Young Clusters: Further Study of the Relationship between Rotation Speed and Density in Star-Forming Regions
- 2007AJ....133.1092W