Collinder 261

Number of stars per data source

	Reference   88 : 2237 stars
	Reference  128 :   26 stars
	Reference  131 : 2639 stars

References

 88
Phelps R.L., Janes K.A., Montgomery K.A.
(1994) Astron. J. 107, 1079
Development of the galactic disk: a search for the oldest open clusters
1994AJ....107.1079P
 128
Mazur B., Krzeminski W., Kaluzny J.
(1995) Monthly Notices Roy. Astron. Soc. 273, 59
Discovery of 45 short-period eclipsing binaries in the field of the old open cluster Collinder 261
1995MNRAS.273...59M
 131
Gozzoli E., Tosi M., Marconi G., Bragaglia A.
(1996) Monthly Notices Roy. Astron. Soc. 283, 66
CCD photometry of the old open cluster Collinder 261
1996MNRAS.283...66G