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.