IC 4996

Number of stars per data source

	Reference  120 :  126 stars
	Reference  195 :  610 stars
	Reference  477 :   91 stars
	Reference  495 : 2516 stars

120: Vansevicius V., Bridzius A., Pucinskas A., Sasaki T.; (1996) Baltic Astron. 5, 539; BVRI CCD photometry of the open cluster IC 4996; 1996BaltA...5..539V
195: Delgado A.J., Alfaro E.J., Moitinho A., Franco J.; (1998) Astron. J. 116, 1801; Pre-main-sequence stars in the young galactic cluster IC 4996: a CCD photometric study; 1998AJ....116.1801D
477: Zwintz K., Weiss W.W.; (2006) Astron. Astrophys. 457, 237; Pulsating pre-main sequence stars in IC 4996 and NGC 6530; 2006A&A...457..237Z
495: Maciejewski G., Niedzielski A.; (2007) Astron. Astrophys. 467, 1065; CCD BV survey of 42 open clusters; 2007A&A...467.1065M