Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
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All Constellations » Ara » 


HR6177 is a double giant star in the constellation of Ara.

HR6177 visual magnitude is 6.18. Because of its reltive faintness, HR6177 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 HR6177:

HR6177 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR6177

HR6177 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6177 are provided in the following table:

16h 40m 50s
-60° 26’ 45”

The simplified sky map below shows the position of HR6177 in the sky:

Finder chart HR6177 star
Simplified finder chart for HR6177.

Visibility of HR6177 from your location

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

HR6177 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR6177

The image below is a photograph of HR6177 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 HR6177 is 0.051 arcsec per year in Right Ascension and -0.07 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6177 star
DSS2 image of HR6177. The red arrow shows the motion of HR6177 during the next 10000 years (8.50 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR6177 from the Sun and relative movement

HR6177 is distant 100.31 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

30.77 pc
100.31 ly
4 km/s
0.051 arcsec/year
-0.07 arcsec/year

Spectral properties of HR6177

HR6177 belongs to spectral class F2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6177 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6177. Attribution: Richard Powell / CC BY-SA

HR6177 star system properties

HR6177 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR6177 double sysyem:

1.4 arcsec

Alternative designations of HR6177