We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
sunny DaytimeWhat's Visible Now?
All Constellations » Ara » 


Altitude: -16.5°   Azimuth: 207.4°   Direction: South-South-West

HR6187 is a multiple giant star in the constellation of Ara.

HR6187 visual magnitude is 5.65. Because of its reltive faintness, HR6187 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR6187 is -0.008 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6187 star
DSS2 image of HR6187. The red arrow shows the motion of HR6187 during the next 100000 years (-13.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Key facts about HR6187


HR6187 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.5°
Azimuth: 207.4°
Direction: South-South-West

Celestial coordinates and finder chart of HR6187

HR6187 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 HR6187 are provided in the following table:

16h 41m 20s
-48° 45’ 47”

The simplified sky map below shows the position of HR6187 in the sky:

Finder chart HR6187 star
Simplified finder chart for HR6187.

Visibility of HR6187 from your location

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

HR6187 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR6187 from the Sun and relative movement

HR6187 is distant 32,600,000.00 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

10,000,000.00 pc
32,600,000.00 ly
23 km/s
-0.008 arcsec/year
-0.003 arcsec/year

Spectral properties of HR6187

HR6187 belongs to spectral class O5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR6187 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR6187. Attribution: Richard Powell / CC BY-SA

HR6187 star system properties

HR6187 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 HR6187 double sysyem:

9.6 arcsec

Alternative designations of HR6187