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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: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sleep NighttimeWhat's Visible Now?
All Constellations » Antlia » 


Altitude: 8.0°   Azimuth: 187.1°   Direction: South

HR4083 is a hypergiant star in the constellation of Antlia.

HR4083 visual magnitude is 6.27. Because of its reltive faintness, HR4083 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR4083 is 0.006 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4083 star
DSS2 image of HR4083. The red arrow shows the motion of HR4083 during the next 10000 years (1.00 arcmin in Right Ascension and -1.83 arcmin in declination);

Key facts about HR4083


HR4083 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 8.0°
Azimuth: 187.1°
Direction: South

Celestial coordinates and finder chart of HR4083

HR4083 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 HR4083 are provided in the following table:

10h 23m 13s
-30° 09’ 43”

The simplified sky map below shows the position of HR4083 in the sky:

Finder chart HR4083 star
Simplified finder chart for HR4083.

Visibility of HR4083 from your location

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

Today's HR4083 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 120.2°
Max altitude: 8.4°
Azimuth: 239.8°

Distance of HR4083 from the Sun and relative movement

HR4083 is distant 174.99 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

53.68 pc
174.99 ly
-13 km/s
0.006 arcsec/year
-0.011 arcsec/year

Spectral properties of HR4083

HR4083 belongs to spectral class F0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR4083 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4083. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4083