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🌎  Greenwich, United Kingdom [change]

HR4768

HR4768 is a variable supergiant star in the constellation of Crux.

HR4768 visual magnitude is 5.48. Because of its reltive faintness, HR4768 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 HR4768:

5.48
Supergiant
HR4768 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4768

HR4768 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 HR4768 are provided in the following table:

12h 31m 40s
-59° 25’ 26”
300.42°
3.35°
Crux

The simplified sky map below shows the position of HR4768 in the sky:

Finder chart HR4768 star
Simplified finder chart for HR4768.

Visibility of HR4768 from your location

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

HR4768 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4768

The image below is a photograph of HR4768 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 HR4768 is -0.018 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4768 star
DSS2 image of HR4768. The red arrow shows the motion of HR4768 during the next 10000 years (-3.00 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR4768 from the Sun and relative movement

HR4768 is distant 1,680.41 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

515.46 pc
1,680.41 ly
-20 km/s
-0.018 arcsec/year
-0.004 arcsec/year

Spectral properties of HR4768

HR4768 belongs to spectral class F7 and has a luminosity class of I corresponding to a supergiant star.

-3.08
F7I
5853K

The red dot in the diagram below shows where HR4768 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4768. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4768

SAO240027
SAO240027