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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: 5:43  
clear_day Transit: 12:56  
SunsetSet: 20:10
sunny DaytimeWhat's Visible Now?
All Constellations » Vela » 


Altitude: -79.2°   Azimuth: 105.2°   Direction: East-South-East

HR3442 is a variable and double sub-giant star in the constellation of Vela.

HR3442 visual magnitude is 5.19. Because of its reltive faintness, HR3442 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 HR3442 is -0.022 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 HR3442 star
DSS2 image of HR3442. The red arrow shows the motion of HR3442 during the next 10000 years (-3.67 arcmin in Right Ascension and 2.00 arcmin in declination);

Key facts about HR3442


HR3442 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -79.2°
Azimuth: 105.2°
Direction: East-South-East

Celestial coordinates and finder chart of HR3442

HR3442 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 HR3442 are provided in the following table:

08h 39m 57s
-53° 03’ 17”

The simplified sky map below shows the position of HR3442 in the sky:

Finder chart HR3442 star
Simplified finder chart for HR3442.

Visibility of HR3442 from your location

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

HR3442 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3442 from the Sun and relative movement

HR3442 is distant 428.38 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

131.41 pc
428.38 ly
14 km/s
-0.022 arcsec/year
0.012 arcsec/year

Spectral properties of HR3442

HR3442 belongs to spectral class B4 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR3442 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3442. Attribution: Richard Powell / CC BY-SA

HR3442 star system properties

HR3442 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR3442 double sysyem:

16.6 arcsec

Alternative designations of HR3442