Collinder 140

Number of stars per data source

	Reference    1 :    8 stars
	Reference    3 :    3 stars
	Reference    5 :    1 star
	Reference    8 :    1 star
	Reference    9 :    1 star
	Reference   11 :    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Institute for Advanced Study, Princeton, N. J. second version, unpublished Crawford D.L., Barnes J.V., Faure B.Q., Golson J.C. Photoelectric Hbeta photometry for 1217 stars brighter than V = 6.5 mag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

 3

Crawford D.L., Barnes J.V.

(1969) Astron. J. 74, 407

Four-color and Hbeta photometry of open clusters II. Coma and Ursa Major

1969AJ.....74..407C

 5

Cameron R.C.

(1966) Georgetown Obs. Monogr. no. 21

An investigation of the magnetic and related stars through narrow-band photometry

 8

Slettebak A., Wright R.R., Graham J.A.

(1968) Astron. J. 73, 152

Spectra and colors of A-type stars in a north galactic pole region

1968AJ.....73..152S

 9

Epstein I.

(1968) Astron. J. 73, 556

Four-color photoelectric photometry of two high latitude clusters Blanco 1 and Melotte 227

1968AJ.....73..556E

 11

Barry D.C.

(1969) Publ. Astron. Soc. Pacific 81, 339

uvby photometry of A and F-stars

1969PASP...81..339B