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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: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
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All Constellations » Ursa Major » 

Chalawan - 47 Ursae Majoris

Altitude: 62.1°   Azimuth: 98.5°   Direction: East

Chalawan, also designated as 47 Ursae Majoris , is a main-sequence star in the constellation of Ursa Major.

Chalawan visual magnitude is 5.05. Because of its reltive faintness, Chalawan 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 Chalawan:


Chalawan - 47 Ursae Majoris is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 62.1°
Azimuth: 98.5°
Direction: East

Celestial coordinates and finder chart of Chalawan

Chalawan 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 Chalawan are provided in the following table:

10h 59m 27s
+40° 25’ 49”
Ursa Major

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

Finder chart Chalawan - 47 Ursae Majoris star
Simplified finder chart for Chalawan - 47 Ursae Majoris.

Visibility of Chalawan from your location

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

Chalawan - 47 Ursae Majoris is circumpolar and transits at 06:23 UTC (altitude: 79.0°)

Digitized Sky Survey image of Chalawan

The image below is a photograph of Chalawan 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 Chalawan is -0.317 arcsec per year in Right Ascension and 0.057 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Chalawan - 47 Ursae Majoris star
DSS2 image of Chalawan. The red arrow shows the motion of Chalawan during the next 1000 years (-5.28 arcmin in Right Ascension and 0.95 arcmin in declination);

Distance of Chalawan from the Sun and relative movement

Chalawan is distant 45.89 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

14.08 pc
45.89 ly
13 km/s
-0.317 arcsec/year
0.057 arcsec/year

Spectral properties of Chalawan

Chalawan belongs to spectral class G1 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Alternative designations of Chalawan

47 Ursae Majoris