Subject
- active galactic nuclei24
- interferometry21
- stellar masses21
- radio continuum emission19
- radio galaxies19
- wide-band photometry19
- co line emission18
- galaxy planes18
- galaxy classification systems17
- x-ray sources16
- open star clusters15
- redshifted / redshift15
- star forming regions15
- astrophysical masers14
- galaxy clusters13
- polarimetry11
- astronomical object identification10
- multiple stars10
- stellar associations10
- galaxy kinematics9