Subject
- active galactic nuclei1
- astrometry1
- catalogs1
- ccd photometry1
- effective temperature1
- infrared photometry1
- infrared sources1
- late-type stars1
- line intensities1
- milky way galaxy1
- morgan-keenan classification1
- multiple stars1
- narrow band photometry1
- quasars1
- radio continuum emission1
- redshifted1
- seyfert galaxies1
- standard stars1
- surface photometry1
- ultraviolet astronomy1