Universe Guide

Alpha Piscium B (Companion Star) Facts

Alpha Piscium B Facts

  • Alpha Piscium B is a subgiant star that can be located in the constellation of Pisces. The description is based on the spectral class.
  • Alpha Piscium B is not part of the constellation outline but is within the borders of the constellation.

Alpha Piscium B's Alternative Names

The Id of the star in the Henry Draper catalogue is HD12446.

Alpha Piscium B has alternative name(s) :- Alf Psc B.

More details on objects' alternative names can be found at Star Names .

Location of Alpha Piscium B

The location of the subgiant star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For Alpha Piscium B, the location is 02h 02m 02.702 and +02° 45` 49.72 .

Radial Velocity and Proper Motion of Alpha Piscium B

Proper Motion

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -11.00 milliarcseconds/year towards the north and 41.80 milliarcseconds/year east if we saw them in the horizon.

Radial Velocity

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 8.80000 km/s . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties of Alpha Piscium B

Alpha Piscium B Colour

Based on the star's spectral type of kA2hF2mF2(IV) C

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Additional Alpha Piscium B Facts and Figures

Visual Facts

Primary / Proper / Traditional NameAlpha Piscium B
Alternative NamesAlf Psc B, HD 12446
Spectral Type kA2hF2mF2(IV) C
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeSubgiant Star
GalaxyMilky Way
Right Ascension (R.A.)02h 02m 02.702
Declination (Dec.)+02° 45` 49.72
Proper Motion Dec.-11.00000 milliarcseconds/year
Proper Motion RA.41.80000 milliarcseconds/year
Radial Velocity8.80000 km/s
Associated / Clustered StarsAlpha Piscium A

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Sources and Links


Related Stars

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