ψ1 Piscium (psi1 Piscium)

Below the horizon. Rise: 2:09 | Tran: 10:06 | Set: 18:02

Alt: -16.35° Az: 349.96° Direction: North

ψ1 Piscium is a multiple hypergiant star of spectral class A0 in the constellation of Pisces.

ψ1 Piscium visual magnitude is 5.56. Because of its faintness, ψ1 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 ψ1 Piscium. The red arrow shows the motion of ψ1 Piscium during the next 10000 years (7.83 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 01h 07m 03s

Declination +21° 36’ 02”

Hour Angle 11h 18m 33s

Sidereal Time 12h 25m 37s

J2000

Right Ascension 01h 05m 41s

Declination +21° 27’ 55”

Galactic Coordinates

Galactic Longitude 127.35°

Galactic Latitude -41.28°

Finder Chart

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Finder chart for ψ1 Piscium (psi1 Piscium).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.56

Class Hypergiant

Absolute magnitude 1.39

Spectral Type A0V

Color Index (B-V) -0.07

Temperature 11092K

The red dot in the diagram below shows where ψ1 Piscium is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ψ1 Piscium. Attribution: Richard Powell / CC BY-SA

Star System Properties

ψ1 Piscium is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the ψ1 Piscium double sysyem:

Main star magnitude 5.56

Secondary star magnitude 5.86

Magnitude difference 0.3

Separation 29.9 arcsec

Distance, Radial Speed, Proper Motion

ψ1 Piscium is distant 222.22 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 68.17

Distance (light year) 222.22

Radial Speed -4 km/s

Proper Motion RA 0.047 arcsec/y

Proper Motion Dec -0.018"/y

Alternative Designations

Bayer designation ψ1 Piscium
(psi1 Piscium)

Flamsteed designation 74 Piscium

Henry Draper Catalogue HD6457

SAO Catalogue SAO74483

Hipparcos Catalogue HIP5132

Durchmusterung Catalogue BD+20 157

Aitken Double Star Catalogue ADS899

Visibility from Your Location

Today's ψ1 Piscium (psi1 Piscium) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 68.4° RISE 2:09

Max altitude: 60.1° TRANSIT 10:06

Azimuth: 291.6° SET 18:02

Set Location

Other stars in Pisces