NGC 1976
Number of stars per data source
Reference 1 : 4 stars
Reference 51 : 50 stars
Reference 135 : 3 stars
References
- 1
- Cousins A.W.J.
- (1980) SAAO Circ. 1, 234.
- VRI Photometry of Southern Stars.
- 1980SAAOC...1..234C
- 51
- Rydgren A.E., Vrba F.J.
- (1984) Astron. J. 89, 399
- The Incidence of Infrared Excesses among G-type Stars in the Direction of the Orion Ic Association
- 1984AJ.....89..399R
- 135
- Hutchinson M.G., Albinson J.S., Barrett P., Davies J.K., Evans A., Goldsmith M.J., Maddison R.C.
- (1994) Astron. Astrophys. 285, 883
- Photometry and polarimetry of pre-main sequence stars
- 1994A&A...285..883H