Subject
- stellar associations4
- stellar spectral types4
- astronomical models3
- chemical abundances3
- interstellar reddening3
- magnetic fields3
- stellar ages3
- supernova remnants3
- active galactic nuclei2
- galaxies2
- galaxy clusters2
- gamma-ray astronomy2
- halo stars2
- metallicity2
- open star clusters2
- planetary nebulae2
- spectrophotometry2
- stellar masses2
- stellar radii2
- accretion1
