α Piscium (alpha Piscium)

Below the horizon. Rise: 2:47 | Tran: 9:00 | Set: 15:12

Alt: -21.39° Az: 54.62° Direction: South-South-West

α Piscium is a double star of spectral class A3 in the constellation of Pisces.

α Piscium visual magnitude is 5.23. Because of its faintness, α Piscium is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

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);

Celestial Coordinates

Apparent

Right Ascension 02h 03m 21s

Declination +02° 53’ 08”

Hour Angle 15h 17m 54s

Sidereal Time 17h 21m 16s

J2000

Right Ascension 02h 02m 02s

Declination +02° 45’ 48”

Galactic Coordinates

Galactic Longitude 155.35°

Galactic Latitude -55.6°

Finder Chart

Loading map...

Finder chart for α Piscium (alpha Piscium).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.23

Class

Absolute magnitude 2.08

Spectral Type A3

Color Index (B-V)

Temperature 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

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

Distance, Radial Speed, Proper Motion

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

Distance (light year) 139.02

Radial Speed 9 km/s

Proper Motion RA 0.033 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

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

Visibility from Your Location

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

Azimuth: 87.1° RISE 2:47

Max altitude: 41.4° TRANSIT 9:00

Azimuth: 272.9° SET 15:12

Set Location

Other stars in Pisces