Subject
- radio spectroscopy2
- stellar associations2
- trigonometric parallax2
- variable stars2
- abundances1
- accretion1
- active gal. nuclei1
- asteroids1
- atomic physics1
- cataclysmic variable stars1
- earth (planet)1
- effective temperature1
- ephemerides1
- exoplanets1
- galactic center1
- galaxies, nearby1
- galaxies, photometry1
- galaxy rotation1
- globular star clusters1
- hst photometry1