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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 » 

HR6138

Altitude: -54.1°   Azimuth: 190.3°   Direction: South

HR6138 is a giant star in the constellation of Octans.

HR6138 visual magnitude is 6.57. Because of its reltive faintness, HR6138 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 HR6138 is 0.009 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 HR6138 star
DSS2 image of HR6138. The red arrow shows the motion of HR6138 during the next 10000 years (1.50 arcmin in Right Ascension and 2.17 arcmin in declination);

Key facts about HR6138

6.57
Giant

HR6138 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -54.1°
Azimuth: 190.3°
Direction: South

Celestial coordinates and finder chart of HR6138

HR6138 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 HR6138 are provided in the following table:

16h 45m 53s
-83° 14’ 20”
309.22°
-23.47°
Octans

The simplified sky map below shows the position of HR6138 in the sky:

Finder chart HR6138 star
Simplified finder chart for HR6138.

Visibility of HR6138 from your location

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

HR6138 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR6138 from the Sun and relative movement

HR6138 is distant 923.51 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

283.29 pc
923.51 ly
-17 km/s
0.009 arcsec/year
0.013 arcsec/year

Spectral properties of HR6138

HR6138 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.

-0.69
K4III
3691K

The red dot in the diagram below shows where HR6138 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6138. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6138

SAO258748
SAO258748