15309+1621
- Unique Name: 15309+1621BPM 631
- RA: 15 30 55.42
- Dec: +16 20 53.7
- Discoverer: BPM
- Discoverer Number: 631
- Components:
- First year: 1995
- Last year: 2001
- Observations: 3
- First position angle: 321
- Last position angle: 321
- First separation: 111.8
- Last separation: 111.8
- Mag first component: 13.22
- Mag second component: 13.97
- Spectral type:
- Primary proper motion RA: -17
- Primary proper motion DEC: -13
- Secondary proper motion RA: -19
- Secondary proper motion DEC: -14
- Durchmusterung:
- Notes: NV
