21257+1140
- Unique Name: 21257+1140BPM2374
- RA: 21 25 44.45
- Dec: +11 40 09.0
- Discoverer: BPM
- Discoverer Number: 2374
- Components:
- First year: 1994
- Last year: 2001
- Observations: 3
- First position angle: 142
- Last position angle: 142
- First separation: 74.9
- Last separation: 74.9
- Mag first component: 14.26
- Mag second component: 15.87
- Spectral type:
- Primary proper motion RA: -18
- Primary proper motion DEC: -14
- Secondary proper motion RA: -16
- Secondary proper motion DEC: -12
- Durchmusterung:
- Notes: NV