18442-1539
- Unique Name: 18442-1539BRT 633
- RA: 18 44 15.69
- Dec: -15 39 25.8
- Discoverer: BRT
- Discoverer Number: 633
- Components:
- First year: 1905
- Last year: 2001
- Observations: 4
- First position angle: 52
- Last position angle: 42
- First separation: 3.7
- Last separation: 4.7
- Mag first component: 10.9
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: -17
- Primary proper motion DEC: -12
- Secondary proper motion RA: 17
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: