The star σ-Oph

Color-magnitude diagram
Image of σ-Oph
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From Ashburn , σ-Oph is visible in the dawn sky, rising at 03:28 (EST) and reaching an altitude of 32° above the south-eastern horizon before fading from view as dawn breaks around 06:19.

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Name σ-Oph
Object Type Star
Other Names
49-Oph
HR 6498
HD 157999
NSV 8664
HIP 85355
TYC 409-1922-1
Gaia DR2- 4389237503120493952
Position
Constellation:Ophiuchus
Magnitude:
Variable
4.33 (V) [1]
6.29 (BT) [1]
4.50 (VT) [1]
3.74 (G) [2]
4.66 (BP) [2]
3.01 (RP) [2]
B-V Color (mag):1.53
Right ascension:17h26m30s [2]
Declination:+04°08'25" [2]
Distance:260.2 parsec
848.3 lightyrs [2]
Proper motion (speed):7.3 mas/yr [2]
Proper motion (pos ang):12.5°
Derived Quantities
Absolute mag (V):-2.74
Visibility from Ashburn

All times shown in Ashburn local time.

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Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

Color scheme