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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: -79.4°   Azimuth: 28.1°   Direction: North-North-East

HR4087 is a sub-giant star in the constellation of Vela.

HR4087 visual magnitude is 6.27. Because of its reltive faintness, HR4087 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 HR4087 is -0.13 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4087 star
DSS2 image of HR4087. The red arrow shows the motion of HR4087 during the next 1000 years (-2.17 arcmin in Right Ascension and 0.18 arcmin in declination);

Key facts about HR4087


HR4087 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -79.4°
Azimuth: 28.1°
Direction: North-North-East

Celestial coordinates and finder chart of HR4087

HR4087 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 HR4087 are provided in the following table:

10h 23m 40s
-41° 57’ 11”

The simplified sky map below shows the position of HR4087 in the sky:

Finder chart HR4087 star
Simplified finder chart for HR4087.

Visibility of HR4087 from your location

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

HR4087 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4087 from the Sun and relative movement

HR4087 is distant 232.03 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

71.17 pc
232.03 ly
22 km/s
-0.13 arcsec/year
0.011 arcsec/year

Spectral properties of HR4087

HR4087 belongs to spectral class G8 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR4087 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4087. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4087