NGC 1976

Number of stars per data source

	Reference    3 :    7 stars
	Reference    4 :   35 stars
	Reference    5 :    1 star
	Reference   19 :   14 stars
	Reference   21 :   55 stars
	Reference   23 :    4 stars
	Reference   60 :  254 stars
	Reference   66 :  134 stars
	Reference   82 :  293 stars
	Reference   90 :  233 stars
	Reference  102 :  369 stars
	Reference  126 :    1 star

References

3: Mandel G.N., Herbst W.; (1991) Astrophys. J. 383, L75; Rotation periods for seven stars in the Trapezium cluster; 1991ApJ...383L..75M
4: Attridge J.M., Herbst W.; (1992) Astrophys. J. 398, L61; Rotation periods of T Tauri stars in the Orion nebula cluster: a bimodal frequency distribution; 1992ApJ...398L..61A
5: Leone F., Umana G.; (1993) Astron. Astrophys. 268, 667; Periodic radio emission from the helium strong stars, HD 37017 and sigma Ori E; 1993A&A...268..667L
19: Eaton N.L., Herbst W., Hillenbrand L.A.; (1995) Astron. J. 110, 1735; Rotation periods and variability of stars in the Trapezium cluster; 1995AJ....110.1735E
21: Choi P.I., Herbst W.; (1996) Astron. J. 111, 283; Rotation periods of stars in the Orion nebula cluster: the bimodal distribution; 1996AJ....111..283C
23: 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
60: Stassun K.G., Mathieu R.D., Mazeh T., Vrba F.J.; (1999) Astron. J. 117, 2941; The rotation period distribution of pre-main sequence stars in and around the Orion nebula; 1999AJ....117.2941S
66: Herbst W., Rhode K.L., Hillenbrand L.A., Curran G.; (2000) Astron. J. 119, 261; Rotation in the Orion nebula cluster; 2000AJ....119..261H
82: Rebull L.M.; (2001) Astron. J. 121, 1676; Rotation of young low-mass stars in the Orion Nebula cluster flanking fields; 2001AJ....121.1676R
90: Carpenter J.M., Hillenbrand L.A., Skrutskie M.F.; (2001) Astron. J. 121, 3160; Near-infrared photometric variability of stars toward the Orion A molecular cloud; 2001AJ....121.3160C
102: Herbst W., Bailer-Jones C.A.L., Mundt R., Meisenheimer K., Wackermann R.; (2002) Astron. Astrophys. 396, 513; Stellar rotation and variability in the Orion nebula cluster; 2002A&A...396..513H
126: Gagne M., Caillault J.-P., Stauffer J.R., Linski J.L.; (1997) Astrophys. J. 478, L87; Periodic X-ray emission from the O7 V star theta1 Orionis C; 1997ApJ...478L..87G