ι-Oph (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , ι-Oph is visible in the morning sky, becoming accessible around 00:06, when it reaches an altitude of 18° above your eastern horizon. It will then reach its highest point in the sky at 05:02, 57° above your southern horizon. It will be lost to dawn twilight around 05:18, 57° above your southern horizon.
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|
Name
ι-Oph
|
Object type
Star
|
Other names
Position
| Right ascension: | 16h54m00s [4] |
| Declination: | +10°09'54" [4] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 4.36 (V) [2] 4.24 (BT) [2] 4.35 (VT) [2] 4.33 (G) [4] 4.30 (BP) [4] 4.40 (RP) [4] |
| Distance: | 75.8 parsec 247.2 lightyrs [4] |
| B-V Color (mag): | -0.09 |
| Proper motion (speed): | 64.6 mas/yr[4] |
| Proper motion (pos ang): | 237.3° |
Derived quantities
| Absolute mag (V): | -0.04 |
Visibility from Cambridge
All times shown in Cambridge local time.