02039+4220
- Unique Name: 02039+4220STF 205A,BC
- RA: 02 03 53.92
- Dec: +42 19 47.5
- Discoverer: STF
- Discoverer Number: 205
- Components: A,BC
- First year: 1777
- Last year: 2013
- Observations: 354
- First position angle: 67
- Last position angle: 63
- First separation: 12.0
- Last separation: 9.4
- Mag first component: 2.31
- Mag second component: 5.02
- Spectral type: K3IIb
- Primary proper motion RA: 45
- Primary proper motion DEC: -52
- Secondary proper motion RA: 43
- Secondary proper motion DEC: -51
- Durchmusterung: +41 395
- Notes: N D
