Subject
- astrophysical masers220
- solar system200
- stellar evolutionary models188
- stellar atmospheres180
- co line emission179
- seyfert galaxies179
- magnetic fields177
- x-ray binary stars176
- peculiar variable stars163
- the sun161
- carbon stars159
- supergiant stars155
- galaxy planes150
- be stars149
- pulsars149
- h alpha photometry144
- g stars140
- optical observation128
- radio spectroscopy124
- spectrophotometry124