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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:24 
Transit: 12:55 
Sunset: 20:27
sunny   (Daytime)   What's Visible Now?

HR2139

Altitude: 54.0°   Azimuth: 257.4°   Direction: West-South-West

HR2139 is a star in the constellation of Auriga.

HR2139 visual magnitude is 6.23. Because of its reltive faintness, HR2139 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 HR2139 is 0.008 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2139 star
DSS2 image of HR2139. The red arrow shows the motion of HR2139 during the next 10000 years (1.33 arcmin in Right Ascension and -2.17 arcmin in declination);

Key facts about HR2139

6.23

HR2139 is above the horizon from Greenwich, United Kingdom.

Altitude: 54.0°
Azimuth: 257.4°
Direction: West-South-West

Celestial coordinates and finder chart of HR2139

HR2139 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 HR2139 are provided in the following table:

06h 05m 34s
+33° 35’ 57”
178.1°
6.02°
Auriga

The simplified sky map below shows the position of HR2139 in the sky:

Finder chart HR2139 star
Simplified finder chart for HR2139.

Visibility of HR2139 from your location

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

Today's HR2139 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.4°
Max altitude: 72.1°
Azimuth: 303.6°

Distance of HR2139 from the Sun and relative movement

HR2139 is distant 936.78 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

287.36 pc
936.78 ly
25 km/s
0.008 arcsec/year
-0.013 arcsec/year

Spectral properties of HR2139

HR2139 belongs to spectral class B9 HR2139 is also a Si chemically peculiar star.

-1.06
B9
11247K

The red dot in the diagram below shows where HR2139 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2139. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2139

SAO58727
SAO58727