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🌎  Greenwich, United Kingdom [change]

HR4876

HR4876 is a variable supergiant star in the constellation of Crux.

HR4876 visual magnitude is 5.72. Because of its reltive faintness, HR4876 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 HR4876:

5.72
Supergiant
HR4876 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4876

HR4876 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 HR4876 are provided in the following table:

12h 51m 17s
-60° 19’ 46”
302.91°
2.54°
Crux

The simplified sky map below shows the position of HR4876 in the sky:

Finder chart HR4876 star
Simplified finder chart for HR4876.

Visibility of HR4876 from your location

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

HR4876 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4876

The image below is a photograph of HR4876 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 HR4876 is -0.025 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4876 star
DSS2 image of HR4876. The red arrow shows the motion of HR4876 during the next 10000 years (-4.17 arcmin in Right Ascension and 1.17 arcmin in declination);

Distance of HR4876 from the Sun and relative movement

HR4876 is distant 2,990.83 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

917.43 pc
2,990.83 ly
-21 km/s
-0.025 arcsec/year
0.007 arcsec/year

Spectral properties of HR4876

HR4876 belongs to spectral class A2 and has a luminosity class of I corresponding to a supergiant star.

-4.09
A2I
6989K

The red dot in the diagram below shows where HR4876 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4876. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4876

SAO252054
SAO252054