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Subject
- asteroids[remove]244
- photometry108
- solar system93
- infrared photometry45
- optical astronomy44
- surveys38
- astrometry30
- apparent magnitude17
- infrared astronomy17
- spectroscopy16
- ccd photometry13
- comets13
- ephemerides11
- wide-band photometry11
- infrared sources10
- polarimetry10
- galaxy classification systems8
- occultation8
- two-color diagrams7
- absolute magnitude6
