ρ-Ori (Star)

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

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From Cambridge , ρ-Ori is visible in the dawn sky, rising at 02:02 (EDT) – 3 hours and 48 minutes before the Sun – and reaching an altitude of 27° above the south-eastern horizon before fading from view as dawn breaks at around 04:36.

Name ρ-Ori
Object type Star
Other names
ρ-Ori
Rho Orionis
17-Ori
17 Orionis
HR 1698[1]
HD 33856
NSV 1872
HIP 24331[3]
TYC 103-2863-1[2]
Position
Right ascension:05h13m17s [2]
Declination:+02°51'40" [2]
Constellation:Orion
Magnitude:
Variable
4.49 (V) [2]
6.08 (BT) [2]
4.62 (VT) [2]
Distance:107.3 parsec
349.8 lightyrs [3]
B-V Color (mag):1.24
Proper motion (speed):4.0 mas/yr[3]
Proper motion (pos ang):12.0°
Derived quantities
Absolute mag (V):-0.66

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