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: 7:02  
clear_day Transit: 12:47  
SunsetSet: 18:32 south
sunny DaytimeWhat's Visible Now
All Constellations » Virgo » 


Altitude: 3.3°   Azimuth: 110.1°   Direction: East-South-East

HR5178 is a double giant star in the constellation of Virgo.

HR5178 visual magnitude is 6.05. Because of its reltive faintness, HR5178 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 HR5178:


HR5178 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 3.3°
Azimuth: 110.1°
Direction: East-South-East

Celestial coordinates and finder chart of HR5178

HR5178 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 HR5178 are provided in the following table:

13h 47m 13s
-09° 42’ 33”

The simplified sky map below shows the position of HR5178 in the sky:

Finder chart HR5178 star
Simplified finder chart for HR5178.

Visibility of HR5178 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 HR5178 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: 99.7°
Max altitude: 28.8°
Azimuth: 260.3°

Digitized Sky Survey image of HR5178

The image below is a photograph of HR5178 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 HR5178 is 0.008 arcsec per year in Right Ascension and -0.037 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR5178 star
DSS2 image of HR5178. The red arrow shows the motion of HR5178 during the next 10000 years (1.33 arcmin in Right Ascension and -6.17 arcmin in declination);

Distance of HR5178 from the Sun and relative movement

HR5178 is distant 511.77 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

156.99 pc
511.77 ly
7 km/s
0.008 arcsec/year
-0.037 arcsec/year

Spectral properties of HR5178

HR5178 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR5178 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR5178. Attribution: Richard Powell / CC BY-SA

HR5178 star system properties

HR5178 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 HR5178 double sysyem:

0.4 arcsec

Alternative designations of HR5178