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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sunny DaytimeWhat's Visible Now?
All Constellations » Centaurus » 


Altitude: -34.0°   Azimuth: 248.1°   Direction: West-South-West

HR4748 is a main-sequence star in the constellation of Centaurus.

HR4748 visual magnitude is 5.44. Because of its reltive faintness, HR4748 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 HR4748 is -0.023 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4748 star
DSS2 image of HR4748. The red arrow shows the motion of HR4748 during the next 10000 years (-3.83 arcmin in Right Ascension and -2.83 arcmin in declination);

Key facts about HR4748


HR4748 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -34.0°
Azimuth: 248.1°
Direction: West-South-West

Celestial coordinates and finder chart of HR4748

HR4748 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 HR4748 are provided in the following table:

12h 28m 22s
-39° 02’ 29”

The simplified sky map below shows the position of HR4748 in the sky:

Finder chart HR4748 star
Simplified finder chart for HR4748.

Visibility of HR4748 from your location

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

HR4748 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4748 from the Sun and relative movement

HR4748 is distant 426.70 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

130.89 pc
426.70 ly
5 km/s
-0.023 arcsec/year
-0.017 arcsec/year

Spectral properties of HR4748

HR4748 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4748 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4748. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4748