Subject
- pre-main sequence stars5
- ring galaxies5
- seyfert galaxies5
- star atlases5
- two-color diagrams5
- absolute magnitude4
- globular star clusters4
- stellar distance4
- ccd photometry3
- effective temperature3
- finding lists3
- markarian galaxies3
- meridian circles3
- metallicity3
- narrow band photometry3
- asteroids2
- bl lacertae objects2
- dwarf stars2
- late-type stars2
- m stars2
