We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sleep NighttimeWhat's Visible Now?
All Constellations » Antlia » 


Altitude: 6.0°   Azimuth: 208.8°   Direction: South-South-West

HR3933 is a main-sequence star in the constellation of Antlia.

HR3933 visual magnitude is 6.32. Because of its reltive faintness, HR3933 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 HR3933 is -0.081 arcsec per year in Right Ascension and 0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3933 star
DSS2 image of HR3933. The red arrow shows the motion of HR3933 during the next 10000 years (-13.50 arcmin in Right Ascension and 4.83 arcmin in declination);

Key facts about HR3933


HR3933 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.0°
Azimuth: 208.8°
Direction: South-South-West

Celestial coordinates and finder chart of HR3933

HR3933 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 HR3933 are provided in the following table:

09h 56m 53s
-27° 28’ 30”

The simplified sky map below shows the position of HR3933 in the sky:

Finder chart HR3933 star
Simplified finder chart for HR3933.

Visibility of HR3933 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 HR3933 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: 117.5°
Max altitude: 11.0°
Azimuth: 242.5°

Distance of HR3933 from the Sun and relative movement

HR3933 is distant 502.31 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

154.08 pc
502.31 ly
14 km/s
-0.081 arcsec/year
0.029 arcsec/year

Spectral properties of HR3933

HR3933 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR3933 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3933. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3933