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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Draco » 


Altitude: 63.3°   Azimuth: 341.6°   Direction: North-North-West

HR4627 is a sub-giant star in the constellation of Draco.

HR4627 visual magnitude is 6.35. Because of its reltive faintness, HR4627 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 HR4627:


HR4627 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 63.3°
Azimuth: 341.6°
Direction: North-North-West

Celestial coordinates and finder chart of HR4627

HR4627 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4627 are provided in the following table:

12h 09m 47s
+74° 39’ 41”

The simplified sky map below shows the position of HR4627 in the sky:

Finder chart HR4627 star
Simplified finder chart for HR4627.

Visibility of HR4627 from your location

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

HR4627 is circumpolar and transits at 07:30 UTC (altitude: 66.8°)

Digitized Sky Survey image of HR4627

The image below is a photograph of HR4627 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 HR4627 is 0.001 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4627 star
DSS2 image of HR4627. The red arrow shows the motion of HR4627 during the next 100000 years (1.67 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of HR4627 from the Sun and relative movement

HR4627 is distant 235.38 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

72.20 pc
235.38 ly
-19 km/s
0.001 arcsec/year
0.006 arcsec/year

Spectral properties of HR4627

HR4627 belongs to spectral class F6 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR4627 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4627. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4627