The star φ-Oph
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , φ-Oph is visible in the evening sky, becoming accessible around 21:46 (EDT) as the dusk sky fades, 21° above your south-eastern horizon. It will then reach its highest point in the sky at 00:16, 31° above your southern horizon. It will continue to be observable until around 03:11, when it sinks below 18° above your south-western horizon.
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|
Name
φ-Oph
|
Object Type
Star
|
Position
| Constellation: | Ophiuchus |
| Magnitude: | 4.28 (V) [1] 5.44 (BT) [1] 4.38 (VT) [1] 3.98 (G) [2] 4.53 (BP) [2] 3.46 (RP) [2] |
| B-V Color (mag): | 0.90 |
| Right ascension: | 16h31m08s [2] |
| Declination: | -16°36'46" [2] |
| Distance: | 71.2 parsec 232.0 lightyrs [2] |
| Proper motion (speed): | 57.7 mas/yr [2] |
| Proper motion (pos ang): | 230.7° |
Derived Quantities
| Absolute mag (V): | 0.02 |