Delta Ophiuchi
| Use attributes for filter ! | |
| Surface temperature | 3,679 K |
|---|---|
| Absolute magnitude (MV) | –0. 90 |
| U−B color index | +1. 96 |
| B−V color index | +1. 59 |
| Radial velocity (Rv) | –19. 9 km/s |
| Proper motion (μ) | RA: –47. 54 mas/yr; Dec. : –142. 73 mas/yr |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2196811 |
About Delta Ophiuchi
Delta Ophiuchi, formally named Yed Prior, is a star in the constellation of Ophiuchus. It forms a naked eye optical double with Epsilon Ophiuchi. The apparent visual magnitude is 2. 75, making this a third-magnitude star and the fourth-brightest in the constellation.