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Subject
- surveys[remove]40
- stars19
- proper-motions15
- astrometry13
- spectroscopy7
- milky-way-galaxy6
- time-domain-astronomy4
- variable-stars4
- active-galactic-nuclei3
- astrophysical-masers3
- asymptotic-giant-branch-stars3
- broad-band-photometry3
- galaxy-planes3
- galaxy-structure3
- open-star-clusters3
- stellar-kinematics3
- stellar-distance2
- x-ray-astronomy2
- astronomical-object-identification1
- galaxies1