Gamma Ursae Majoris
Sign in to saveAlso known as Phecda, 64 Ursae Majoris, HD 103287, The Celestial Shining Pearl, γ UMa, 64 UMa, γ Ursae Majoris, HR 4554
thumb|right|Phecda is the lower-left star forming the bowl of the Big Dipper
Wikidata facts
- Instance of
- star
- Part of
- Big Dipper
- Constellation
- Ursa Major
- Distance from Earth
- 33.9131
- Mass
- 2.94
- Image
- Ursa major star name.png
Show 15 more facts
- spectral class
- A0VSB
- catalog code
- UBV M 17477
- apparent magnitude
- 2.436276
- stellar rotational velocity
- 167
- right ascension
- 178.45769715250
- declination
- 53.69475972917
- effective temperature
- 9390
- radial velocity
- -5.8
- parallax
- 38.99
- epoch
- J2000.0
- surface gravity
- 4400
- absolute magnitude
- 2.7
- right ascension component of proper motion
- 96
- declination component of proper motion
- 6
- age estimated by a dating method
- 0.3
via Wikidata · CC0
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Encyclopedic overview
4 sectionsContents
- Nomenclature
- Properties
- Notes
- References
thumb|right|Phecda is the lower-left star forming the bowl of the Big Dipper
Phecda , also called Gamma Ursae Majoris (γ Ursae Majoris, abbreviated Gamma UMa, γ UMa), is a star in the constellation of Ursa Major. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified. Based upon parallax measurements with the Hipparcos astrometry satellite, it is located at a distance of around from the Sun.
Excerpted from Wikipedia’s “Gamma Ursae Majoris” article, available under the CC BY-SA 4.0 licence.