Spectrophotometric observations of OQ 208 over the time period between March 1985 and February 1991 are presented. It is found that the H-beta flux varies...
The vertical stellar distribution in NGC 6504: Detection of a thick disk
The vertical stellar distribution of the edge-on spiral NGC 6504 is examined in seven bands (U, B, R, I, J, H, K) by fitting model distributions to the light...