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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 » 

HR3439

Altitude: -61.4°   Azimuth: 82.2°   Direction: East

HR3439 is a variable and double main-sequence star in the constellation of Vela.

HR3439 visual magnitude is 5.2. Because of its reltive faintness, HR3439 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 HR3439 is -0.044 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3439 star
DSS2 image of HR3439. The red arrow shows the motion of HR3439 during the next 10000 years (-7.33 arcmin in Right Ascension and -0.67 arcmin in declination);

Key facts about HR3439

5.2
Main-sequence

HR3439 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -61.4°
Azimuth: 82.2°
Direction: East

Celestial coordinates and finder chart of HR3439

HR3439 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 HR3439 are provided in the following table:

08h 40m 19s
-40° 15’ 51”
260.19°
0.91°
Vela

The simplified sky map below shows the position of HR3439 in the sky:

Finder chart HR3439 star
Simplified finder chart for HR3439.

Visibility of HR3439 from your location

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

HR3439 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3439 from the Sun and relative movement

HR3439 is distant 280.31 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

85.98 pc
280.31 ly
21 km/s
-0.044 arcsec/year
-0.004 arcsec/year

Spectral properties of HR3439

HR3439 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

0.53
B9V
10252K

The red dot in the diagram below shows where HR3439 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3439. Attribution: Richard Powell / CC BY-SA

HR3439 star system properties

HR3439 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 HR3439 double sysyem:

5.2
8.9
3.7
4.4 arcsec

Alternative designations of HR3439

SAO220252
SAO220252