21037+3857
- Unique Name: 21037+3857TDT2720
- RA: 21 03 41.54
- Dec: +38 57 05.1
- Discoverer: TDT
- Discoverer Number: 2720
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 214
- Last position angle: 214
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.62
- Mag second component: 10.62
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: 27
- Secondary proper motion RA: 2
- Secondary proper motion DEC: 27
- Durchmusterung:
- Notes: