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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
north SunriseRise: 7:37  
clear_day Transit: 11:46  
SunsetSet: 15:55 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Virgo » 


Altitude: -33.2°   Azimuth: 310.8°   Direction: North-West

HR4772 is a giant star in the constellation of Virgo.

HR4772 visual magnitude is 6.19. Because of its reltive faintness, HR4772 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 HR4772:


HR4772 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -33.2°
Azimuth: 310.8°
Direction: North-West

Celestial coordinates and finder chart of HR4772

HR4772 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 HR4772 are provided in the following table:

12h 31m 38s
-05° 03’ 09”

The simplified sky map below shows the position of HR4772 in the sky:

Finder chart HR4772 star
Simplified finder chart for HR4772.

Visibility of HR4772 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 HR4772 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: 95.1°
Max altitude: 33.5°
Azimuth: 264.9°

Digitized Sky Survey image of HR4772

The image below is a photograph of HR4772 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 HR4772 is -0.038 arcsec per year in Right Ascension and 0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4772 star
DSS2 image of HR4772. The red arrow shows the motion of HR4772 during the next 10000 years (-6.33 arcmin in Right Ascension and 5.17 arcmin in declination);

Distance of HR4772 from the Sun and relative movement

HR4772 is distant 401.97 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

123.30 pc
401.97 ly
2 km/s
-0.038 arcsec/year
0.031 arcsec/year

Spectral properties of HR4772

HR4772 belongs to spectral class G9


The red dot in the diagram below shows where HR4772 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4772. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4772