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: 7:00  
clear_day Transit: 12:48  
SunsetSet: 18:34 south
sleep NighttimeWhat's Visible Now
All Constellations » Ursa Major » 


Altitude: 22.0°   Azimuth: 326.0°   Direction: North-West

HR5148 is a double main-sequence star in the constellation of Ursa Major.

HR5148 visual magnitude is 6.32. Because of its reltive faintness, HR5148 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 HR5148:


HR5148 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 22.0°
Azimuth: 326.0°
Direction: North-West

Celestial coordinates and finder chart of HR5148

HR5148 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 HR5148 are provided in the following table:

13h 40m 23s
+50° 31’ 09”
Ursa Major

The simplified sky map below shows the position of HR5148 in the sky:

Finder chart HR5148 star
Simplified finder chart for HR5148.

Visibility of HR5148 from your location

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

HR5148 is circumpolar and transits at 12:56 UTC (altitude: 89.0°)

Digitized Sky Survey image of HR5148

The image below is a photograph of HR5148 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 HR5148 is -0.132 arcsec per year in Right Ascension and 0.06 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR5148 star
DSS2 image of HR5148. The red arrow shows the motion of HR5148 during the next 1000 years (-2.20 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of HR5148 from the Sun and relative movement

HR5148 is distant 82.24 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

25.23 pc
82.24 ly
-15 km/s
-0.132 arcsec/year
0.06 arcsec/year

Spectral properties of HR5148

HR5148 belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR5148 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5148. Attribution: Richard Powell / CC BY-SA

HR5148 star system properties

HR5148 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 HR5148 double sysyem:

17.6 arcsec

Alternative designations of HR5148

Gl 521.2A