Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

ψ1 Piscium (psi1 Piscium)

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

ψ1 Piscium visual magnitude is 5.56. Because of its reltive faintness, ψ1 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 ψ1 Piscium:

5.56
Hypergiant
ψ1 Piscium (psi1 Piscium) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 56°.

Celestial coordinates and finder chart of ψ1 Piscium

ψ1 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 ψ1 Piscium are provided in the following table:

01h 05m 41s
+21° 27’ 55”
127.35°
-41.28°
Pisces

The simplified sky map below shows the position of ψ1 Piscium in the sky:

Finder chart ψ1 Piscium (psi1 Piscium) star
Simplified finder chart for ψ1 Piscium (psi1 Piscium).

Visibility of ψ1 Piscium from your location

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

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

Azimuth: 68.5°
Max altitude: 60.0°
Azimuth: 291.5°
ψ1 Piscium (psi1 Piscium) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of ψ1 Piscium

The image below is a photograph of ψ1 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 ψ1 Piscium is 0.047 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ψ1 Piscium (psi1 Piscium) star
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);

Distance of ψ1 Piscium from the Sun and relative movement

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.

68.17 pc
222.22 ly
-4 km/s
0.047 arcsec/year
-0.018 arcsec/year

Spectral properties of ψ1 Piscium

ψ1 Piscium belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

1.39
A0V
11092K

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

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

ψ1 Piscium 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:

5.56
5.86
0.3
29.9 arcsec

Alternative designations of ψ1 Piscium

ψ1 Piscium
(psi1 Piscium)
SAO74483
SAO74483