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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sleep NighttimeWhat's Visible Now?
All Constellations » Coma Berenices » 


Altitude: 62.1°   Azimuth: 224.4°   Direction: South-West

HR4673 is a double star in the constellation of Coma Berenices.

HR4673 visual magnitude is 5.7. Because of its reltive faintness, HR4673 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 HR4673 is -0.042 arcsec per year in Right Ascension and 0.037 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4673 star
DSS2 image of HR4673. The red arrow shows the motion of HR4673 during the next 10000 years (-7.00 arcmin in Right Ascension and 6.17 arcmin in declination);

Key facts about HR4673


HR4673 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 62.1°
Azimuth: 224.4°
Direction: South-West

Celestial coordinates and finder chart of HR4673

HR4673 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 HR4673 are provided in the following table:

12h 17m 30s
+28° 56’ 13”
Coma Berenices

The simplified sky map below shows the position of HR4673 in the sky:

Finder chart HR4673 star
Simplified finder chart for HR4673.

Visibility of HR4673 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 HR4673 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: 61.1°
Max altitude: 67.5°
Azimuth: 298.9°

Distance of HR4673 from the Sun and relative movement

HR4673 is distant 173.96 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

53.36 pc
173.96 ly
-7 km/s
-0.042 arcsec/year
0.037 arcsec/year

Spectral properties of HR4673

HR4673 belongs to spectral class A4


The red dot in the diagram below shows where HR4673 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4673. Attribution: Richard Powell / CC BY-SA

HR4673 star system properties

HR4673 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 HR4673 double sysyem:

8.6 arcsec

Alternative designations of HR4673