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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Cassiopeia » 


Altitude: 64.9°   Azimuth: 60.3°   Direction: East-North-East

HR502 is a main-sequence star in the constellation of Cassiopeia.

HR502 visual magnitude is 6.25. Because of its reltive faintness, HR502 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR502 is 0.014 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR502 star
DSS2 image of HR502. The red arrow shows the motion of HR502 during the next 10000 years (2.33 arcmin in Right Ascension and -0.67 arcmin in declination);

Key facts about HR502


HR502 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 64.9°
Azimuth: 60.3°
Direction: East-North-East

Celestial coordinates and finder chart of HR502

HR502 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 HR502 are provided in the following table:

01h 44m 46s
+57° 05’ 21”

The simplified sky map below shows the position of HR502 in the sky:

Finder chart HR502 star
Simplified finder chart for HR502.

Visibility of HR502 from your location

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

HR502 is circumpolar and transits at 14:57 UTC (altitude: 84.4°)

Distance of HR502 from the Sun and relative movement

HR502 is distant 560.14 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

171.82 pc
560.14 ly
5 km/s
0.014 arcsec/year
-0.004 arcsec/year

Spectral properties of HR502

HR502 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR502 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR502. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR502