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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: 5:39  
clear_day Transit: 12:56  
SunsetSet: 20:14
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All Constellations » Octans » 

HR6139

Altitude: -52.2°   Azimuth: 185.8°   Direction: South

HR6139 is a main-sequence star in the constellation of Octans.

HR6139 visual magnitude is 6.04. Because of its reltive faintness, HR6139 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 HR6139 is 0.005 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6139 star
DSS2 image of HR6139. The red arrow shows the motion of HR6139 during the next 100000 years (8.33 arcmin in Right Ascension and -1.67 arcmin in declination);

Key facts about HR6139

6.04
Main-sequence

HR6139 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -52.2°
Azimuth: 185.8°
Direction: South

Celestial coordinates and finder chart of HR6139

HR6139 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6139 are provided in the following table:

17h 00m 58s
-86° 21’ 51”
306.5°
-25.4°
Octans

The simplified sky map below shows the position of HR6139 in the sky:

Finder chart HR6139 star
Simplified finder chart for HR6139.

Visibility of HR6139 from your location

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

HR6139 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR6139 from the Sun and relative movement

HR6139 is distant 598.17 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

183.49 pc
598.17 ly
7 km/s
0.005 arcsec/year
-0.001 arcsec/year

Spectral properties of HR6139

HR6139 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.

-0.28
A2V
9542K

The red dot in the diagram below shows where HR6139 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6139. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6139

SAO258751
SAO258751