21045-2644
- Unique Name: 21045-2644B 2490
- RA: 21 04 28.43
- Dec: -26 44 06.3
- Discoverer: B
- Discoverer Number: 2490
- Components:
- First year: 1930
- Last year: 1999
- Observations: 3
- First position angle: 315
- Last position angle: 319
- First separation: 8.0
- Last separation: 9.1
- Mag first component: 8.3
- Mag second component: 14.0
- Spectral type: A5/6IV
- Primary proper motion RA: 16
- Primary proper motion DEC: 5
- Secondary proper motion RA: 5
- Secondary proper motion DEC: 4
- Durchmusterung: -2715222
- Notes: