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🌎  Greenwich, United Kingdom [change]

HR4648

HR4648 is a sub-giant star in the constellation of Centaurus.

HR4648 visual magnitude is 5.76. Because of its reltive faintness, HR4648 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 HR4648:

5.76
Sub-giant
HR4648 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4648

HR4648 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 HR4648 are provided in the following table:

12h 13m 25s
-38° 55’ 45”
294.89°
23.35°
Centaurus

The simplified sky map below shows the position of HR4648 in the sky:

Finder chart HR4648 star
Simplified finder chart for HR4648.

Visibility of HR4648 from your location

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

HR4648 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4648

The image below is a photograph of HR4648 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 HR4648 is -0.003 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4648 star
DSS2 image of HR4648. The red arrow shows the motion of HR4648 during the next 100000 years (-5.00 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of HR4648 from the Sun and relative movement

HR4648 is distant 2,037.50 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

625.00 pc
2,037.50 ly
-43 km/s
-0.003 arcsec/year
-0.006 arcsec/year

Spectral properties of HR4648

HR4648 belongs to spectral class B4 and has a luminosity class of IV corresponding to a sub-giant star.

-3.22
B4IV
12103K

The red dot in the diagram below shows where HR4648 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4648. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4648

SAO203250
SAO203250