Subject
- globular star clusters10
- millimeter astronomy10
- redshifted / redshift10
- sloan photometry10
- submillimeter astronomy10
- multiple stars9
- stellar distance9
- x-ray binary stars9
- hst photometry8
- interstellar medium8
- photographic magnitude8
- effective temperature7
- emission line stars7
- extinction7
- galaxy classification systems7
- line intensities7
- photographic photometry7
- stellar radii7
- supernova remnants7
- giant stars6
