Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Perseus » 


Altitude: 9.9°   Azimuth: 19.9°   Direction: North-North-East

HR973 is a giant star in the constellation of Perseus.

HR973 visual magnitude is 6.16. Because of its reltive faintness, HR973 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR973:


HR973 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 9.9°
Azimuth: 19.9°
Direction: North-North-East

Celestial coordinates and finder chart of HR973

HR973 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 HR973 are provided in the following table:

03h 16m 04s
+45° 20’ 44”

The simplified sky map below shows the position of HR973 in the sky:

Finder chart HR973 star
Simplified finder chart for HR973.

Visibility of HR973 from your location

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

HR973 is circumpolar and transits at 10:13 UTC (altitude: 83.9°)

Digitized Sky Survey image of HR973

The image below is a photograph of HR973 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR973 is 0.054 arcsec per year in Right Ascension and -0.045 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR973 star
DSS2 image of HR973. The red arrow shows the motion of HR973 during the next 10000 years (9.00 arcmin in Right Ascension and -7.50 arcmin in declination);

Distance of HR973 from the Sun and relative movement

HR973 is distant 918.31 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

281.69 pc
918.31 ly
-3 km/s
0.054 arcsec/year
-0.045 arcsec/year

Spectral properties of HR973

HR973 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR973 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR973. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR973