We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Cassiopeia » 

π Cassiopeiae (pi Cassiopeiae)

Altitude: 9.2°   Azimuth: 9.2°   Direction: North

π Cassiopeiae is a variable main-sequence star in the constellation of Cassiopeia.

π Cassiopeiae visual magnitude is 4.94. Because of its moderate brightness, π Cassiopeiae should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of π Cassiopeiae is -0.02 arcsec per year in Right Ascension and -0.034 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of π Cassiopeiae (pi Cassiopeiae) star
DSS2 image of π Cassiopeiae. The red arrow shows the motion of π Cassiopeiae during the next 10000 years (-3.33 arcmin in Right Ascension and -5.67 arcmin in declination);

Key facts about π Cassiopeiae

4.94
Main-sequence

π Cassiopeiae (pi Cassiopeiae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 9.2°
Azimuth: 9.2°
Direction: North

Celestial coordinates and finder chart of π Cassiopeiae

π Cassiopeiae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of π Cassiopeiae are provided in the following table:

00h 43m 28s
+47° 01’ 28”
121.52°
-15.82°
Cassiopeia

The simplified sky map below shows the position of π Cassiopeiae in the sky:

Finder chart π Cassiopeiae (pi Cassiopeiae) star
Simplified finder chart for π Cassiopeiae (pi Cassiopeiae).

Visibility of π Cassiopeiae from your location

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

π Cassiopeiae (pi Cassiopeiae) is circumpolar and transits at 14:07 UTC (altitude: 85.5°)

Distance of π Cassiopeiae from the Sun and relative movement

π Cassiopeiae is distant 174.24 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

53.45 pc
174.24 ly
13 km/s
-0.02 arcsec/year
-0.034 arcsec/year

Spectral properties of π Cassiopeiae

π Cassiopeiae belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.

1.30
A5V
8321K

The red dot in the diagram below shows where π Cassiopeiae is situated in the Hertzsprung–Russell diagram.

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

Alternative designations of π Cassiopeiae

π Cassiopeiae
(pi Cassiopeiae)
20 Cassiopeiae
SAO36602
SAO36602