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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
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All Constellations » Sagittarius » 

HR6716

Altitude: -8.3°   Azimuth: 243.5°   Direction: West-South-West

HR6716 is a variable and multiple hypergiant star in the constellation of Sagittarius.

HR6716 visual magnitude is 5.77. Because of its reltive faintness, HR6716 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 HR6716 is -0.003 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6716 star
DSS2 image of HR6716. The red arrow shows the motion of HR6716 during the next 100000 years (-5.00 arcmin in Right Ascension and -13.33 arcmin in declination);

Key facts about HR6716

5.77
Hypergiant

HR6716 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.3°
Azimuth: 243.5°
Direction: West-South-West

Celestial coordinates and finder chart of HR6716

HR6716 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6716 are provided in the following table:

18h 01m 54s
-22° 46’ 50”
7.16°
-0.03°
Sagittarius

The simplified sky map below shows the position of HR6716 in the sky:

Finder chart HR6716 star
Simplified finder chart for HR6716.

Visibility of HR6716 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 HR6716 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: 112.8°
Max altitude: 15.7°
Azimuth: 247.2°

Distance of HR6716 from the Sun and relative movement

HR6716 is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

10,000,000.00 pc
32,600,000.00 ly
-13 km/s
-0.003 arcsec/year
-0.008 arcsec/year

Spectral properties of HR6716

HR6716 belongs to spectral class B0 and has a luminosity class of I corresponding to a hypergiant star.

-24.23
B0I
10125K

The red dot in the diagram below shows where HR6716 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6716. Attribution: Richard Powell / CC BY-SA

HR6716 star system properties

HR6716 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR6716 double sysyem:

5.77
12.87
7.1
8.2 arcsec

Alternative designations of HR6716

SAO186135
SAO186135