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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
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sunny DaytimeWhat's Visible Now?
All Constellations » Auriga » 


Altitude: 24.8°   Azimuth: 73.1°   Direction: East-North-East

HR2146 is a double bright giant star in the constellation of Auriga.

HR2146 visual magnitude is 6.08. Because of its reltive faintness, HR2146 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR2146 is 0.015 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2146 star
DSS2 image of HR2146. The red arrow shows the motion of HR2146 during the next 10000 years (2.50 arcmin in Right Ascension and -1.00 arcmin in declination);

Key facts about HR2146

Bright giant

HR2146 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 24.8°
Azimuth: 73.1°
Direction: East-North-East

Celestial coordinates and finder chart of HR2146

HR2146 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 HR2146 are provided in the following table:

06h 06m 22s
+29° 30’ 44”

The simplified sky map below shows the position of HR2146 in the sky:

Finder chart HR2146 star
Simplified finder chart for HR2146.

Visibility of HR2146 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 HR2146 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: 60.5°
Max altitude: 68.0°
Azimuth: 299.5°

Distance of HR2146 from the Sun and relative movement

HR2146 is distant 893.15 light years from the Sun and it is moving towards the Sun at the speed of 36 kilometers per second.

273.97 pc
893.15 ly
-36 km/s
0.015 arcsec/year
-0.006 arcsec/year

Spectral properties of HR2146

HR2146 belongs to spectral class M3 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR2146 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2146. Attribution: Richard Powell / CC BY-SA

HR2146 star system properties

HR2146 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 HR2146 double sysyem:

10 arcsec

Alternative designations of HR2146