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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
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All Constellations » Centaurus » 

HR4988

Altitude: -54.4°   Azimuth: 127.0°   Direction: South-East

HR4988 is a hypergiant star in the constellation of Centaurus.

HR4988 visual magnitude is 5.89. Because of its reltive faintness, HR4988 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 HR4988 is -0.051 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4988 star
DSS2 image of HR4988. The red arrow shows the motion of HR4988 during the next 10000 years (-8.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Key facts about HR4988

5.89
Hypergiant

HR4988 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -54.4°
Azimuth: 127.0°
Direction: South-East

Celestial coordinates and finder chart of HR4988

HR4988 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 HR4988 are provided in the following table:

13h 14m 12s
-58° 41’ 02”
305.89°
4.06°
Centaurus

The simplified sky map below shows the position of HR4988 in the sky:

Finder chart HR4988 star
Simplified finder chart for HR4988.

Visibility of HR4988 from your location

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

HR4988 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4988 from the Sun and relative movement

HR4988 is distant 343.52 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

105.37 pc
343.52 ly
-2 km/s
-0.051 arcsec/year
-0.012 arcsec/year

Spectral properties of HR4988

HR4988 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

0.78
K0III
4559K

The red dot in the diagram below shows where HR4988 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4988. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4988

SAO240663
SAO240663