21491-1608
- Unique Name: 21491-1608RST5165
- RA: 21 49 06.49
- Dec: -16 08 12.6
- Discoverer: RST
- Discoverer Number: 5165
- Components:
- First year: 1943
- Last year: 2009
- Observations: 6
- First position angle: 69
- Last position angle: 72
- First separation: 2.5
- Last separation: 2.6
- Mag first component: 11.29
- Mag second component: 11.3
- Spectral type: F3V
- Primary proper motion RA: -25
- Primary proper motion DEC: -12
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -10
- Durchmusterung: -16 5949
- Notes: