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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Perseus » 

HR621

Altitude: 60.7°   Azimuth: 65.8°   Direction: East-North-East

HR621 is a giant star in the constellation of Perseus.

HR621 visual magnitude is 6.31. Because of its reltive faintness, HR621 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 HR621 is 0.027 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR621 star
DSS2 image of HR621. The red arrow shows the motion of HR621 during the next 10000 years (4.50 arcmin in Right Ascension and -7.17 arcmin in declination);

Key facts about HR621

6.31
Giant

HR621 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 60.7°
Azimuth: 65.8°
Direction: East-North-East

Celestial coordinates and finder chart of HR621

HR621 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 HR621 are provided in the following table:

02h 10m 07s
+53° 50’ 35”
134.48°
-7.25°
Perseus

The simplified sky map below shows the position of HR621 in the sky:

Finder chart HR621 star
Simplified finder chart for HR621.

Visibility of HR621 from your location

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

HR621 is circumpolar and transits at 14:19 UTC (altitude: 87.6°)

Distance of HR621 from the Sun and relative movement

HR621 is distant 589.51 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

180.83 pc
589.51 ly
10 km/s
0.027 arcsec/year
-0.043 arcsec/year

Spectral properties of HR621

HR621 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

0.02
G8III
4866K

The red dot in the diagram below shows where HR621 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR621. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR621

SAO22993
SAO22993