Subject
- parallaxes1
- particle-astrophysics6
- peculiar variable stars163
- period2
- perseus-cluster1
- photographic images2
- photographic magnitude40
- photographic photometry69
- photographic-photometry6
- photometric standard stars9
- photometric systems9
- photometry8,445
- photometry, ccd2
- photometry, geneva1
- photometry, infrared1
- photometry, sdss2
- photometry, ubv1
- photometry, ubvri2
- photometry, ugriz1
- photovisual magnitude1
