Subject
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- Seyfert galaxy1
- Taurid meteor complex1
- UBV photometry1
- V 505 monocerotis1
- X-ray sources1
- active nucleus1
- astrometric satellite1
- astrophysical data1
- astrophysics1
- binary shell stars1
- bipolar nebulae1
- bipolar outflows1
- bright facular points1
- carbon monoxide emission1
- catalogue1
- chromospheric activity1
- chromospheric flares1
- close binaries1
- cometary nuclei1
- comets1