Your Guide to the Solar System and the Night Sky
Donate now! You'll help cover server costs, enhance the site and keep it ad-free.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:47  
clear_day Transit: 12:56  
SunsetSet: 21:06 south
sunny DaytimeWhat's Visible Now
All Constellations » Draco » 


HR4934 is a double main-sequence star in the constellation of Draco.

HR4934 visual magnitude is 6. Because of its reltive faintness, HR4934 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 HR4934:

HR4934 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 44°.

Celestial coordinates and finder chart of HR4934

HR4934 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 HR4934 are provided in the following table:

13h 01m 46s
+63° 36’ 37”

The simplified sky map below shows the position of HR4934 in the sky:

Finder chart HR4934 star
Simplified finder chart for HR4934.

Visibility of HR4934 from your location

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

HR4934 is circumpolar and transits at 20:13 UTC (altitude: 77.9°)

Digitized Sky Survey image of HR4934

The image below is a photograph of HR4934 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 HR4934 is -0.18 arcsec per year in Right Ascension and 0.029 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4934 star
DSS2 image of HR4934. The red arrow shows the motion of HR4934 during the next 1000 years (-3.00 arcmin in Right Ascension and 0.48 arcmin in declination);

Distance of HR4934 from the Sun and relative movement

HR4934 is distant 122.01 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

37.43 pc
122.01 ly
-11 km/s
-0.18 arcsec/year
0.029 arcsec/year

Spectral properties of HR4934

HR4934 belongs to spectral class F6 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4934 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4934. Attribution: Richard Powell / CC BY-SA

HR4934 star system properties

HR4934 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4934 double sysyem:

119 arcsec

Alternative designations of HR4934