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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: 5:39  
clear_day Transit: 12:56  
SunsetSet: 20:14
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All Constellations » Auriga » 

HR1979

Altitude: 12.2°   Azimuth: 327.1°   Direction: North-North-West

HR1979 is a hypergiant star in the constellation of Auriga.

HR1979 visual magnitude is 6.29. Because of its reltive faintness, HR1979 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 HR1979 is 0.009 arcsec per year in Right Ascension and -0.088 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1979 star
DSS2 image of HR1979. The red arrow shows the motion of HR1979 during the next 10000 years (1.50 arcmin in Right Ascension and -14.67 arcmin in declination);

Key facts about HR1979

6.29
Hypergiant

HR1979 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.2°
Azimuth: 327.1°
Direction: North-North-West

Celestial coordinates and finder chart of HR1979

HR1979 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 HR1979 are provided in the following table:

05h 47m 14s
+42° 31’ 36”
168.49°
7.29°
Auriga

The simplified sky map below shows the position of HR1979 in the sky:

Finder chart HR1979 star
Simplified finder chart for HR1979.

Visibility of HR1979 from your location

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

HR1979 is circumpolar and transits at 15:22 UTC (altitude: 81.0°)

Distance of HR1979 from the Sun and relative movement

HR1979 is distant 719.65 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

220.75 pc
719.65 ly
-16 km/s
0.009 arcsec/year
-0.088 arcsec/year

Spectral properties of HR1979

HR1979 belongs to spectral class K0

-0.43
K0
4034K

The red dot in the diagram below shows where HR1979 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1979. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1979

SAO40609
SAO40609