Omikron Ursae Majoris

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Star
Muscida (ο Ursae Majoris)
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Big Bear
Right ascension 08 h 30 m 15.87 s
declination + 60 ° 43 ′ 5.4 ″
Apparent brightness 3.35 mag
Typing
B − V color index +0.84 
U − B color index +0.52 
R − I index +0.42 
Spectral class G4 II-III
Astrometry
Radial velocity (+19.8 ± 0.2) km / s
parallax (18.21 ± 0.16)  mas
distance (180 ± 2)  ly
(54.9 ± 0.5)  pc  
Visual absolute brightness M vis approx. −0.4 mag
Proper movement 
Rec. Share: (−133.76 ± 0.09)  mas / a
Dec. portion: (−107.45 ± 0.12)  mas / a
Physical Properties
Other names
and catalog entries
Bayer name ο Ursae Majoris
Flamsteed name 1 Ursae Majoris
Bonn survey BD + 61 ° 1054
Bright Star Catalog HR 3323 [1]
Henry Draper Catalog HD 71369 [2]
Hipparcos catalog HIP 41704 [3]
SAO catalog SAO 14573 [4]
Tycho catalog TYC 4127-2431-1 [5]
Other names FK5  317
annotation
  1. ↑ Estimated from apparent brightness and distance.

ο Ursae Majoris (Omicron Ursae Majoris) is a star in the constellation Great Bear . It belongs to the spectral class G4, has an apparent brightness of 3.4 mag and is about 180 light years away.

It is also called Muscida (also Muskida, "the dog's snout"), a name that is sometimes assigned to the nearby stars 3 Ursae Majoris and 4 Ursae Majoris .

Individual evidence

  1. ↑ a b c Hipparcos catalog (ESA 1997)
  2. ↑ a b c Bright Star Catalog
  3. ↑ Pulkovo radial velocities for 35493 HIP stars
  4. ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)