NGC 2451
Number of stars per data source
Reference 25 : 1 star
Reference 41 : 7 stars
Reference 107 : 1 star
Reference 164 : 11 stars
Reference 190 : 1 star
Reference 192 : 4 stars
Reference 237 : 1 star
Reference 255 : 2 stars
Reference 316 : 1 star
Reference 335 : 79 stars
Reference 336 : 9 stars
Reference 345 : 1 star
Reference 464 : 5 stars
Reference 543 : 1 star
Reference 577 : 1 star
Reference 578 : 1 star
References
- 25
- Crawford D.L., Barnes J.V., Golson J.C.
- (1970) Astron. J. 75, 624
- Four-color and Hbeta photometry for bright stars in the southern Hemisphere
- 1970AJ.....75..624C
- 41
- Crawford D.L., Barnes J.V., Golson J.C.
- (1971) Astron. J. 76, 621
- Four-color and Hbeta photometry for bright B-type stars in the southern hemisphere
- 1971AJ.....76..621C
- 107
- Feinstein A.
- (1974) Mon. Not. R. Astr. Soc. 169, 171
- Photoelectric measures of the Hydrogen lines in early-type stars
- 1974MNRAS.169..171F
- 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
- 190
- Klare G., Neckel T.
- (1977) Astron. Astrophys. Suppl. 27, 215
- UBV Hbeta and polarization measurements of 1660 southern OB stars
- 1977A&AS...27..215K
- 192
- Eggen O.J.
- (1977) Publ. Astron. Soc. Pacific 89, 205
- Intermediate-band photometry of early-type stars
- 1977PASP...89..205E
- 237
- Loden L.O.
- (1979) Astron. Astrophys. Suppl. 36, 83
- Photometry of loose clusterings in the southern Milky Way
- 1979A&AS...36...83L
- 255
- Sinnerstad U.
- (1980) Astron. Astrophys. Suppl. 40, 395
- The fundamental physical parameters of main-sequence and near main-sequence b type stars as derived from uvby, beta photometry
- 1980A&AS...40..395S
- 316
- Lindroos K.P.
- (1983) Astron. Astrophys. Suppl. 51, 161
- A study of visual double stars with early type primaries. II. photometric results
- 1983A&AS...51..161L
- 335
- Eggen O.J.
- (1983) Astron. J. 88, 197
- Six clusters in Puppis-Vela
- 1983AJ.....88..197E
- 336
- Lynga G., Wramdemark S.
- (1984) Astron. Astrophys. 132, 58
- On the common origin of some open clusters
- 1984A&A...132...58L
- 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
- 464
- Perry C.L.
- (1991) publ. Astron. Soc. Pacific 103, 494
- Interstellar reddening in the southern hemisphere. I. The uvby Beta observations
- 1991PASP..103..494P
- 543
- Clausen J.V., Larsen S.S., Garcia J.M., Gimenez A., Storm J.
- (1997) Astron. Astrophys. Suppl. 122, 559
- Secondary standard stars for uvby beta CCD photometry
- 1997A&AS..122..559C
- 577
- Kaltcheva N.T., Olsen E.H.
- (1999) Astron. Astrophys. 352, 600
- Stromgren and Hbeta photometry of O and B type stars in star-forming regions. I. Canis Major - Puppis - Vela
- 1999A&A...352..600K
- 578
- Kaltcheva N.T., Olsen E.H., Clausen J.V.
- (1999) Astron. Astrophys. 353, 605
- Stromgren and Hbeta photometry of O and B type stars in star-forming regions. II. Monoceros OB2, Canis major OB1 and Collinder 121
- 1999A&A...353..605K