τ-Sco (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From Fairfield , τ-Sco is visible in the evening sky, becoming accessible around 21:32 (EDT), 20° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:43, 20° above your southern horizon. It will continue to be observable until around 23:40, when it sinks below 15° above your south-western horizon.

Name τ-Sco
Object type Star
Other names
τ-Sco
Tau Scorpii
23-Sco
23 Scorpii
HR 6165[1]
HD 149438
HIP 81266[3]
TYC 6807-1012-1[2]
Gaia EDR3- 6044420729667868928[4]
Position
Right ascension:16h35m52s [4]
Declination:−28°12'58" [4]
Constellation:Scorpius
Magnitude:2.78 (V) [2]
2.54 (BT) [2]
2.76 (VT) [2]
2.80 (G) [4]
2.99 (BP) [4]
3.00 (RP) [4]
Distance:145.3 parsec
473.8 lightyrs [3]
B-V Color (mag):-0.19
Proper motion (speed):24.9 mas/yr[3]
Proper motion (pos ang):203.4°
Derived quantities
Absolute mag (V):-3.03

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