RR Lyrae Variables in NGC 7006

Amelia Wehlau, Robert W. Slawson, James M. Nemec, Steve Butterworth
1995 International Astronomical Union Colloquium  
AbstractB and V CCD frames of the globular cluster NGC 7006 have been obtained to study the period change rates and determine photometric colours for the RR Lyr variables.
doi:10.1017/s0252921100037659 fatcat:ezgok23a2vat5hcghkyvxovooy