CosmoCatalog

Polaris Aa

(Triple star system)
Other designations of this star
Polaris
  • North Star
  • Cynosura
  • Alruccabah
  • Phoenice
  • Navigatoria
  • Star of Arcady
  • Yilduz
  • Mismar
  • Alpha UMi
  • α UMi
  • 1 Ursae Minoris
  • BD+88° 8
  • FK5 907
  • GC 2243
  • HD 8890
  • HIP 11767
  • HR 424
  • SAO 308
  • ADS 1477
  • CCDM J02319+8915
  • Polárka
Spectral classF7Ib

Polaris Aa is part of a three-star system located in the northern celestial hemisphere.

LOCATION

Discover the celestial coordinates and distances that help us locate and understand this star's position in space.

When looking at celestial coordinates, you'll see three main position types: Right Ascension (RA) measures east-west position like longitude, Declination (Dec) measures north-south position like latitude, and Parallax helps determine a star's distance from Earth. Together, these coordinates help us pinpoint exactly where objects are in our night sky!

Right ascension
2h 31m 49.09s
Declination
89° 15' 50.8''
Parallax
7.54
Sun Distance
432.568ly

BASIC CHARACTERISTICS

Explore the fundamental properties that define this star's physical nature and evolution.

A star's basic characteristics - its mass, size, temperature, age, and luminosity - are all interconnected. These properties determine the star's life cycle and how it appears to us from Earth. Understanding these relationships helps astronomers classify stars and predict their future evolution.

Mass
540M☉
Size
3750R☉
Luminosity
1260L☉
Age
0.07 billions
0.02sun
Temperature
6015K
1.04T☉

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