21580+0556
- Unique Name: 21580+0556STF2848
- RA: 21 58 01.45
- Dec: +05 56 25.3
- Discoverer: STF
- Discoverer Number: 2848
- Components:
- First year: 1777
- Last year: 2013
- Observations: 98
- First position angle: 75
- Last position angle: 56
- First separation: 16.0
- Last separation: 10.8
- Mag first component: 7.21
- Mag second component: 7.73
- Spectral type: Am F2V
- Primary proper motion RA: 12
- Primary proper motion DEC: -12
- Secondary proper motion RA: 22
- Secondary proper motion DEC: -14
- Durchmusterung: +05 4910
- Notes: N D
