NGC 1976

Number of stars per data source

	Reference  323 :   27 stars
	Reference  325 :    5 stars
	Reference  328 :   26 stars
	Reference  442 :  130 stars
	Reference  618 :   36 stars

323: Morrell N., Levato H.; (1991) Astrophys. J. Suppl. 75, 965; Spctroscopic binaries in the Orion OB1 association; 1991ApJS...75..965M
325: Walker M.F.; (1990) Publ. Astron. Soc. Pacific 102, 726; Photoelectric observations of moderate to rapidly rotating pre-main-sequence stars in the Orion nebula cluster; 1990PASP..102..726W
328: Abt H.A., Wang R., Cardona O.; (1991) Astrophys. J. 367, 155; Spectroscopic binaries in the Orion nebula cluster; 1991ApJ...367..155A
442: Bosch G.L., Morrell N.I., Niemela V.S.; (1999) Rev. Mex. Astron. Astrofis. 35, 85; Stellar spectroscopy in NGC 6611: binary frequency and new spectral types of several early type stars; 1999RMxAA..35...85B
618: Mermilliod J.-C., Mayor M., Udry S.; (2009) Astron. Astrophys. 498, 949; Catalogues of radial and rotational velocities of 1253 F-K dwarfs in 13 nearby open clusters; 2009A&A...498..949M