21497-2539
- Unique Name: 21497-2539COO 245
- RA: 21 49 44.79
- Dec: -25 38 32.3
- Discoverer: COO
- Discoverer Number: 245
- Components:
- First year: 1897
- Last year: 1999
- Observations: 12
- First position angle: 306
- Last position angle: 305
- First separation: 2.5
- Last separation: 2.6
- Mag first component: 9.57
- Mag second component: 9.84
- Spectral type: F0V
- Primary proper motion RA: 37
- Primary proper motion DEC: -27
- Secondary proper motion RA: -42
- Secondary proper motion DEC: 29
- Durchmusterung: -2615831
- Notes: