NGC 1976

Number of stars per data source

	Reference   58 :    2 stars
	Reference   65 :    6 stars
	Reference   66 :    2 stars
	Reference   69 :    2 stars
	Reference  100 :    2 stars
	Reference  128 :    2 stars
	Reference  132 :    2 stars
	Reference  135 :    2 stars
	Reference  143 :    2 stars

References

58: Marschall L.A., Mathieu R.D.; (1988) Astron. J. 96, 1956; Parenago 1540: a pre-main-sequence double-lined spectroscopic binary near the Orion Trapezium; 1988AJ.....96.1956M
65: Abt H.A., Wang R., Cardona O.; (1991) Astrophys. J. 367, 155; Spectroscopic binaries in the Orion nebula cluster; 1991ApJ...367..155A
66: Popper D.M., Plavec M.; (1976) Astrophys. J. 205, 462; BM Orionis: the enigmatic eclipsing binary in the Trapezium; 1976ApJ...205..462P
69: Morrell N., Levato H.; (1991) Astrophys. J. Suppl. 75, 965; Spctroscopic binaries in the Orion OB1 association; 1991ApJS...75..965M
100: Vitrichenko E.A., Klochkova V.G., Plachinda S.I.; (1998) Astron. Lett. 24, 296; A study of the radial velocity of V1016 Ori; 1998AstL...24..296V
128: Vitrichenko E.A.; (2002) Astron. Lett. 28, 324; A study of the radial velocity of the star Theta1 OriC; 2002AstL...28..324V
132: Reipurth Bo., Lindgren H., Mayor M., Mermilliod J.-C., Cramer N.; (2002) Astron. J. 124, 2813; Spectroscopic pre-main-sequence binaries. II. 1-14c and Parenago 2494; 2002AJ....124.2813R
135: Vitrichenko E.A.; (2002) Astron. Letters 28, 843; A preliminary radial-velocity curve for the star Theta1 Ori D; 2002AstL...28..843V
143: Bossi M., Gaspani A., Scardia M., Tadini M.; (1989) Astron. Astrophys. 222, 117; Theta1 Orionis A: a pre-main sequence low q binary system?; 1989A&A...222..117B