α Piscium (alpha Piscium)

α Piscium is a double star in the constellation of Pisces.

α Piscium visual magnitude is 5.23. Because of its reltive faintness, α Piscium should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about α Piscium:

Color of α Piscium ⬤

Magnitude of α Piscium 5.23

Class

VISIBILITY RIGHT NOW α Piscium (alpha Piscium) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of α Piscium

α Piscium is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of α Piscium are provided in the following table:

Right Ascension J2000 02h 02m 02s

Declination J2000 +02° 45’ 48”

Galactic Longitude 155.35°

Galactic Latitude -55.6°

Constellation Pisces

The simplified sky map below shows the position of α Piscium in the sky:

Finder chart α Piscium (alpha Piscium) star

Simplified finder chart for α Piscium (alpha Piscium).

Visibility of α Piscium from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's α Piscium (alpha Piscium) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 87.2° RISE 7:46

Max altitude: 41.3° TRANSIT 13:58

Azimuth: 272.8° SET 20:10

RIGHT NOW α Piscium (alpha Piscium) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of α Piscium

The image below is a photograph of α Piscium from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of α Piscium is 0.033 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of α Piscium. The red arrow shows the motion of α Piscium during the next 10000 years (5.50 arcmin in Right Ascension and -0.83 arcmin in declination);

Distance of α Piscium from the Sun and relative movement

α Piscium is distant 139.02 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 42.64 pc

Distance (light year) 139.02 ly

Heliocentric radial velocity 9 km/s

Proper Motion RA 0.033 arcsec/year

Proper Motion Dec -0.005 arcsec/year

Spectral properties of α Piscium

α Piscium belongs to spectral class A3

Absolute magnitude 2.08

Spectral Type A3

Color Index (B-V)

Temperature of α Piscium 10125K

The red dot in the diagram below shows where α Piscium is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of α Piscium. Attribution: Richard Powell / CC BY-SA

α Piscium star system properties

α Piscium is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the α Piscium double sysyem:

Main star magnitude 5.23

Secondary star magnitude 6.23

Magnitude difference 1

Separation 2 arcsec

Alternative designations of α Piscium

Bayer designation α Piscium
(alpha Piscium)

Flamsteed designation 113 Piscium

Henry Draper Catalogue HD12446

Hipparcos Catalogue HIP9487

Durchmusterung Catalogue BD+02 317

Aitken Double Star Catalogue ADS1615

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In Evidence

Other stars in Pisces