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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:20 
Transit: 12:55 
Sunset: 20:30
sunny   (Daytime)   What's Visible Now?

HR842

Altitude: 49.1°   Azimuth: 289.8°   Direction: West-North-West

HR842 is a giant star in the constellation of Perseus.

HR842 visual magnitude is 5.88. Because of its reltive faintness, HR842 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 HR842 is -0.025 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR842 star
DSS2 image of HR842. The red arrow shows the motion of HR842 during the next 10000 years (-4.17 arcmin in Right Ascension and -4.67 arcmin in declination);

Key facts about HR842

5.88
Giant

HR842 is above the horizon from Greenwich, United Kingdom.

Altitude: 49.1°
Azimuth: 289.8°
Direction: West-North-West

Celestial coordinates and finder chart of HR842

HR842 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 HR842 are provided in the following table:

02h 51m 41s
+46° 50’ 30”
143.38°
-11.2°
Perseus

The simplified sky map below shows the position of HR842 in the sky:

Finder chart HR842 star
Simplified finder chart for HR842.

Visibility of HR842 from your location

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

HR842 is circumpolar and transits at 11:48 UTC (altitude: 85.4°)

Distance of HR842 from the Sun and relative movement

HR842 is distant 397.08 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

121.80 pc
397.08 ly
-12 km/s
-0.025 arcsec/year
-0.028 arcsec/year

Spectral properties of HR842

HR842 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

0.45
G8III
5023K

The red dot in the diagram below shows where HR842 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR842. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR842

SAO38397
SAO38397