Westerlund 1

Number of stars per data source

	Reference  178 :  233 stars
	Reference  429 :   41 stars

References

 178

Piatti A.E., Bica E., Claria J.J.

(1998) Astron. Astrophys. Suppl. 127, 423

Fundamental parameters of the highly reddened young open clusters Westerlund 1 and 2

1998A&AS..127..423P

 429

Clark J.S., Negueruela I., Crowther P.A., Goodwin S.P.

(2005) Astron. Astrophys. 434, 949

On the massive stellar population of the super star cluster Westerlund 1

2005A&A...434..949C