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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
wb_twilight   (Astronomical Twilight)   What's Visible Now?

HR5831

Above the horizon.  Rise: 15:57 | Tran: 22:57 | Set: 6:01
Altitude: 48.9°   Azimuth: 201.5°   Direction: South-South-West

HR5831 is a double giant star of spectral class G7 in the constellation of Serpens.

HR5831 visual magnitude is 6.25. Because of its faintness, HR5831 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR5831

Finder chart HR5831 star
Simplified finder chart for HR5831.

HR5831 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 HR5831 are provided in the following table:

15h 40m 10s
+12° 03’ 11”
20.52°
47.74°
Serpens
Image of HR5831 star
DSS2 image of HR5831. The red arrow shows the motion of HR5831 during the next 100000 years (-11.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Key facts about HR5831

6.25
Giant

and has a luminosity class of III corresponding to a giant star.

-1.31
G7III
4892K

The red dot in the diagram below shows where HR5831 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5831. Attribution: Richard Powell / CC BY-SA

HR5831 star system properties

HR5831 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 HR5831 double sysyem:

6.25
10.45
4.2
16.5 arcsec

Distance of HR5831 from the Sun and relative movement

HR5831 is distant 1,058.44 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

324.68 pc
1,058.44 ly
-21 km/s
-0.007 arcsec/year
-0.007 arcsec/year

Alternative designations of HR5831

SAO101673
SAO101673

Visibility of HR5831 from your location

Today's HR5831 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 77.9°
Max altitude: 50.6°
Azimuth: 282.1°