Pherkad
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Pherkad , also known as Gamma Ursae Minoris or γ Ursae Minoris, abbreviated Gamma UMi, γ UMi, is a star in the northern constellation of Ursa Minor. Together with Beta Ursae Minoris (Kochab), it forms the end of the dipper pan of the "Little Dipper", which is an asterism forming the tail of the bear. Based upon parallax measurements obtained during the Hipparcos mission, it is approximately from the Sun.
In the Vinony graph
Vinony's link graph records 66 inbound references to Pherkad, and connects out to list of stars in Ursa Minor, Ursa Minor and Beta Ursae Minoris.
Vinony files it under A-type giants, Bayer objects and Bright Star Catalogue objects.
Vinony links it to 28 Wikipedia language editions.
Astronomical data · SIMBAD
- Object type
- dS*
- Spectral type
- A2III
- Distance
- 494 light-years
- Redshift
- z = -0.000013008915096812679
- Coordinates
- RA 230.1821° · Dec 71.8340°
via SIMBAD · CDS Strasbourg
Wikidata facts
- Instance of
- pulsating variable star
- Part of
- Northern Pole
- Official name
- Pherkad
- Constellation
- Ursa Minor
- Distance from Earth
- 234.8134
- Radius
- 15
- Mass
- 8.3
- Variable-star type
- Delta Scuti variable
- Image
- Ursa minor constellation map black.png
Show 14 more facts
- spectral class
- A2.P,SB,V
- catalog code
- UBV M 20766
- stellar rotational velocity
- 185
- apparent magnitude
- 2.705
- radial velocity
- -2.9
- right ascension
- 230.18215016292
- declination
- 71.83401654472
- effective temperature
- 8280
- parallax
- 6.70
- epoch
- J2000.0
- luminosity
- 1100
- absolute magnitude
- -2.84
- right ascension component of proper motion
- -23
- declination component of proper motion
- 17
Sources (3)
via Wikidata · CC0
~3 min read
Encyclopedic overview
4 sectionsContents
- Nomenclature
- Properties
- Pherkad in fiction
- References
Pherkad , also known as Gamma Ursae Minoris or γ Ursae Minoris, abbreviated Gamma UMi, γ UMi, is a star in the northern constellation of Ursa Minor. Together with Beta Ursae Minoris (Kochab), it forms the end of the dipper pan of the "Little Dipper", which is an asterism forming the tail of the bear. Based upon parallax measurements obtained during the Hipparcos mission, it is approximately from the Sun.
==Nomenclature== γ Ursae Minoris (Latinised to Gamma Ursae Minoris) is the star's Bayer designation. The fainter 11 Ursae Minoris has been called γ1 Ursae Minoris, in which case Gamma Ursae Minoris would be designated γ2. However this usage is rarely seen.
Excerpted from Wikipedia’s “Pherkad” article, available under the CC BY-SA 4.0 licence.