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: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
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All Constellations » Coma Berenices » 


HR4693 is a variable giant star in the constellation of Coma Berenices.

HR4693 visual magnitude is 5.54. Because of its reltive faintness, HR4693 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 HR4693:

HR4693 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 10°.

Celestial coordinates and finder chart of HR4693

HR4693 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 HR4693 are provided in the following table:

12h 20m 19s
+26° 37’ 09”
Coma Berenices

The simplified sky map below shows the position of HR4693 in the sky:

Finder chart HR4693 star
Simplified finder chart for HR4693.

Visibility of HR4693 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 HR4693 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: 63.4°
Max altitude: 65.1°
Azimuth: 296.6°
HR4693 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4693

The image below is a photograph of HR4693 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 HR4693 is -0.065 arcsec per year in Right Ascension and -0.107 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4693 star
DSS2 image of HR4693. The red arrow shows the motion of HR4693 during the next 1000 years (-1.08 arcmin in Right Ascension and -1.78 arcmin in declination);

Distance of HR4693 from the Sun and relative movement

HR4693 is distant 156.88 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

48.12 pc
156.88 ly
-13 km/s
-0.065 arcsec/year
-0.107 arcsec/year

Spectral properties of HR4693

HR4693 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4693 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4693. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4693