Trumpler 18

Number of stars per data source

	Reference  128 :   60 stars
	Reference  326 :   18 stars
	Reference  370 :   59 stars
	Reference  385 :    7 stars
	Reference  479 :  317 stars
	Reference  526 : 3941 stars

References

 128
Lasker B.M., Russel J.N., Jenkner H., Sturch C.R., McLean B.J., Shara M.M.
(1990) Astron. J. 99, 2019
The HST guide star catalogue, version 1.0
1990AJ.....99.2019L
 326
Hog E., Fabricius C., Makarov V.V., Urban S., Corbin T., Wycoff G., Bastian U., Schwekendiek P., Wicenec A.
(2000) Astron. Astrophys. 357, L27
The Tycho-2 Catalogue
2000A&A...355L..27H
 370
Zacharias N., Urban S.E., Zacharias M.I., Wycoff G.L., Hall D.M., Monet D.G., Rafferty T.J.
(2004) Astron. J. 127, 3043
The Second U.S. Naval Observatory CCD Astrograph Catalog (UCAC2)
2004AJ....127.3042Z
 385
Skrutskie M.F., Cutri .M., Weinberg M.D., Schneider S., Carpenter J.M., et al.
(2006) Astron. J. 131, 1163
The Two Micron All Sky Survey (2MASS)
2006AJ....131.1163S
 479
McSwain M.V., Gies D.R.
(2005) Astrophys. J. Suppl. 161, 118
The Evolutionary Status of Be Stars: Results from a Photometric Study of Southern Open Clusters
2005ApJS..161..118M
 526
Delgado A.J., Alfaro E.J., Yun J.L.
(2007) Astron. Astrophys. 467, 1397
Pre-main sequence stars in open clusters. I. The DAY-I catalogue
2007A&A...467.1397D