Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:46  
clear_day Transit: 12:56  
SunsetSet: 21:07 south
sunny DaytimeWhat's Visible Now
All Constellations » Carina » 


Altitude: -47.7°   Azimuth: 129.2°   Direction: South-East

HR4159 is a variable bright giant star in the constellation of Carina.

HR4159 visual magnitude is 4.45. Because of its moderate brightness, HR4159 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR4159:

Bright giant

HR4159 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -47.7°
Azimuth: 129.2°
Direction: South-East

Celestial coordinates and finder chart of HR4159

HR4159 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 HR4159 are provided in the following table:

10h 35m 35s
-57° 33’ 28”

The simplified sky map below shows the position of HR4159 in the sky:

Finder chart HR4159 star
Simplified finder chart for HR4159.

Visibility of HR4159 from your location

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

HR4159 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR4159

The image below is a photograph of HR4159 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 HR4159 is -0.023 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4159 star
DSS2 image of HR4159. The red arrow shows the motion of HR4159 during the next 10000 years (-3.83 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR4159 from the Sun and relative movement

HR4159 is distant 1,375.53 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

421.94 pc
1,375.53 ly
10 km/s
-0.023 arcsec/year

Spectral properties of HR4159

HR4159 belongs to spectral class K3 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where HR4159 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4159. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4159