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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:24 
Transit: 12:55 
Sunset: 20:27
sunny   (Daytime)   What's Visible Now?

HR4788

Altitude: -55.2°   Azimuth: 99.9°   Direction: East

HR4788 is a double main-sequence star in the constellation of Centaurus.

HR4788 visual magnitude is 5.77. Because of its reltive faintness, HR4788 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 HR4788 is -0.083 arcsec per year in Right Ascension and -0.215 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4788 star
DSS2 image of HR4788. The red arrow shows the motion of HR4788 during the next 1000 years (-1.38 arcmin in Right Ascension and -3.58 arcmin in declination);

Key facts about HR4788

5.77
Main-sequence

HR4788 is below the horizon from Greenwich, United Kingdom.

Altitude: -55.2°
Azimuth: 99.9°
Direction: East

Celestial coordinates and finder chart of HR4788

HR4788 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4788 are provided in the following table:

12h 34m 42s
-44° 40’ 23”
299.8°
18.1°
Centaurus

The simplified sky map below shows the position of HR4788 in the sky:

Finder chart HR4788 star
Simplified finder chart for HR4788.

Visibility of HR4788 from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4788 is currently not visible from Greenwich, United Kingdom

Distance of HR4788 from the Sun and relative movement

HR4788 is distant 92.48 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

28.37 pc
92.48 ly
18 km/s
-0.083 arcsec/year
-0.215 arcsec/year

Spectral properties of HR4788

HR4788 belongs to spectral class G1 and has a luminosity class of V corresponding to a main-sequence star.

3.51
G1V
5602K

The red dot in the diagram below shows where HR4788 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4788. Attribution: Richard Powell / CC BY-SA

HR4788 star system properties

HR4788 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR4788 double sysyem:

5.77
9.77
4
1 arcsec

Alternative designations of HR4788

SAO223527
SAO223527