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
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Virgo » 


HR5631 is a hypergiant star in the constellation of Virgo.

HR5631 visual magnitude is 6.16. Because of its reltive faintness, HR5631 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 HR5631:

HR5631 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 29°.

Celestial coordinates and finder chart of HR5631

HR5631 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 HR5631 are provided in the following table:

15h 07m 40s
+05° 29’ 53”

The simplified sky map below shows the position of HR5631 in the sky:

Finder chart HR5631 star
Simplified finder chart for HR5631.

Visibility of HR5631 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 HR5631 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: 84.5°
Max altitude: 44.0°
Azimuth: 275.5°
HR5631 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR5631

The image below is a photograph of HR5631 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 HR5631 is -0.003 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5631 star
DSS2 image of HR5631. The red arrow shows the motion of HR5631 during the next 10000 years (-0.50 arcmin in Right Ascension and -2.83 arcmin in declination);

Distance of HR5631 from the Sun and relative movement

HR5631 is distant 533.55 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

163.67 pc
533.55 ly
3 km/s
-0.003 arcsec/year
-0.017 arcsec/year

Spectral properties of HR5631

HR5631 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR5631 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5631. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR5631