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