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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
north SunriseRise: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: 15.0°   Azimuth: 47.3°   Direction: North-East

HR8973 is a double sub-giant star in the constellation of Andromeda.

HR8973 visual magnitude is 6.53. Because of its reltive faintness, HR8973 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 HR8973:


HR8973 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 15.0°
Azimuth: 47.3°
Direction: North-East

Celestial coordinates and finder chart of HR8973

HR8973 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 HR8973 are provided in the following table:

23h 40m 02s
+37° 39’ 09”

The simplified sky map below shows the position of HR8973 in the sky:

Finder chart HR8973 star
Simplified finder chart for HR8973.

Visibility of HR8973 from your location

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

Today's HR8973 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.3°
Max altitude: 76.2°
Azimuth: 307.7°

Digitized Sky Survey image of HR8973

The image below is a photograph of HR8973 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 HR8973 is -0.013 arcsec per year in Right Ascension and -0.084 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8973 star
DSS2 image of HR8973. The red arrow shows the motion of HR8973 during the next 10000 years (-2.17 arcmin in Right Ascension and -14.00 arcmin in declination);

Distance of HR8973 from the Sun and relative movement

HR8973 is distant 291.07 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

89.29 pc
291.07 ly
-16 km/s
-0.013 arcsec/year
-0.084 arcsec/year

Spectral properties of HR8973

HR8973 belongs to spectral class F2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR8973 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8973. Attribution: Richard Powell / CC BY-SA

HR8973 star system properties

HR8973 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8973 double sysyem:

14.9 arcsec

Alternative designations of HR8973