Subject
- blazars2
- broad-band-photometry2
- galaxy-luminosities2
- galaxy-planes2
- objective prism2
- optical spectroscopy2
- radio-galaxies2
- spectropolarimetry2
- time-domain-astronomy2
- variable-stars2
- active-galaxies1
- astrometry1
- astronomical-simulations1
- disk-galaxies1
- dwarf-elliptical-galaxies1
- early-type-galaxies1
- galaxy-clusters1
- galaxy-colors1
- globular-star-clusters1
- interstellar-medium1