Tombaugh 2
Number of stars per data source
Reference 52 : 2895 stars
Reference 88 : 707 stars
References
- 52
- Kubiak M., Kaluzny J., Krzeminski W., Mateo M.
- (1992) Acta Astron. 42, 155
- Variable stars in the old open cluster Tombaugh 2
- 1992AcA....42..155K
- 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