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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: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Antlia » 


Altitude: -66.1°   Azimuth: 307.9°   Direction: North-West

HR4238 is a main-sequence star in the constellation of Antlia.

HR4238 visual magnitude is 5.61. Because of its reltive faintness, HR4238 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 HR4238 is -0.044 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4238 star
DSS2 image of HR4238. The red arrow shows the motion of HR4238 during the next 10000 years (-7.33 arcmin in Right Ascension and 2.50 arcmin in declination);

Key facts about HR4238


HR4238 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -66.1°
Azimuth: 307.9°
Direction: North-West

Celestial coordinates and finder chart of HR4238

HR4238 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 HR4238 are provided in the following table:

10h 49m 56s
-34° 03’ 29”

The simplified sky map below shows the position of HR4238 in the sky:

Finder chart HR4238 star
Simplified finder chart for HR4238.

Visibility of HR4238 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 HR4238 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: 124.1°
Max altitude: 4.5°
Azimuth: 235.9°

Distance of HR4238 from the Sun and relative movement

HR4238 is distant 346.44 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

106.27 pc
346.44 ly
-12 km/s
-0.044 arcsec/year
0.015 arcsec/year

Spectral properties of HR4238

HR4238 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4238 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4238. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4238