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🌎  Greenwich, United Kingdom [change]

HR4782

HR4782 is a double giant star in the constellation of Centaurus.

HR4782 visual magnitude is 6.38. Because of its reltive faintness, HR4782 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 HR4782:

6.38
Giant
HR4782 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4782

HR4782 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4782 are provided in the following table:

12h 33m 59s
-49° 54’ 33”
300.05°
12.87°
Centaurus

The simplified sky map below shows the position of HR4782 in the sky:

Finder chart HR4782 star
Simplified finder chart for HR4782.

Visibility of HR4782 from your location

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

HR4782 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4782

The image below is a photograph of HR4782 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 HR4782 is -0.163 arcsec per year in Right Ascension and -0.04 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4782 star
DSS2 image of HR4782. The red arrow shows the motion of HR4782 during the next 1000 years (-2.72 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR4782 from the Sun and relative movement

HR4782 is distant 219.53 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

67.34 pc
219.53 ly
18 km/s
-0.163 arcsec/year
-0.04 arcsec/year

Spectral properties of HR4782

HR4782 belongs to spectral class F3 and has a luminosity class of III corresponding to a giant star.

2.24
F3III
6576K

The red dot in the diagram below shows where HR4782 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4782. Attribution: Richard Powell / CC BY-SA

HR4782 star system properties

HR4782 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 HR4782 double sysyem:

6.38
12.88
6.5
7.8 arcsec

Alternative designations of HR4782

SAO223516
SAO223516