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
Donate Now! Help keep this site free and ads-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sleep NighttimeWhat's Visible Now?
All Constellations » Scorpius » 

HR6166

Altitude: 2.0°   Azimuth: 166.2°   Direction: South-South-East

HR6166 is a variable giant star in the constellation of Scorpius.

HR6166 visual magnitude is 4.16. Because of its moderate brightness, HR6166 should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of HR6166 is 0.022 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6166 star
DSS2 image of HR6166. The red arrow shows the motion of HR6166 during the next 10000 years (3.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about HR6166

4.16
Giant

HR6166 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.0°
Azimuth: 166.2°
Direction: South-South-East

Celestial coordinates and finder chart of HR6166

HR6166 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 HR6166 are provided in the following table:

16h 36m 22s
-35° 15’ 20”
346.22°
8.09°
Scorpius

The simplified sky map below shows the position of HR6166 in the sky:

Finder chart HR6166 star
Simplified finder chart for HR6166.

Visibility of HR6166 from your location

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

Today's HR6166 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.3°
Max altitude: 3.3°
Azimuth: 234.7°

Distance of HR6166 from the Sun and relative movement

HR6166 is distant 338.53 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

103.84 pc
338.53 ly
-2 km/s
0.022 arcsec/year

Spectral properties of HR6166

HR6166 belongs to spectral class K6 and has a luminosity class of III corresponding to a giant star.

-0.92
K6III
3691K

The red dot in the diagram below shows where HR6166 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6166. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6166

SAO207814
SAO207814