21577+1629
- Unique Name: 21577+1629BPM2416
- RA: 21 57 40.72
- Dec: +16 29 06.3
- Discoverer: BPM
- Discoverer Number: 2416
- Components:
- First year: 1996
- Last year: 2001
- Observations: 3
- First position angle: 307
- Last position angle: 307
- First separation: 75.9
- Last separation: 75.9
- Mag first component: 13.97
- Mag second component: 15.05
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: -15
- Secondary proper motion RA: 18
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: NV
