θ-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 , θ-Oph is visible between 22:36 and 02:50. It will become accessible at around 22:36, when it rises to an altitude of 16° above your south-eastern horizon. It will reach its highest point in the sky at 00:43, 22° above your southern horizon. It will become inaccessible at around 02:50 when it sinks below 16° above your south-western horizon.
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|
Name
θ-Oph
|
Object type
Star
|
Other names
Position
| Right ascension: | 17h22m00s [6] |
| Declination: | −24°59'58" [6] |
| Constellation: | Ophiuchus |
| Magnitude: Variable | 3.26 (V) [3] 3.02 (BT) [2] 3.23 (VT) [2] 3.26 (G) [6] 3.29 (BP) [6] 3.40 (RP) [6] |
| Distance: | 133.7 parsec 435.8 lightyrs [5] |
| B-V Color (mag): | -0.19 |
| Proper motion (speed): | 25.0 mas/yr[5] |
| Proper motion (pos ang): | 197.1° |
Derived quantities
| Absolute mag (V): | -2.37 |
Visibility from Cambridge
All times shown in Cambridge local time.