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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 » 

HR3976

Altitude: -78.2°   Azimuth: 76.4°   Direction: East-North-East

HR3976 is a double sub-giant star in the constellation of Vela.

HR3976 visual magnitude is 5.08. Because of its reltive faintness, HR3976 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 HR3976 is 0.011 arcsec per year in Right Ascension and -0.057 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3976 star
DSS2 image of HR3976. The red arrow shows the motion of HR3976 during the next 10000 years (1.83 arcmin in Right Ascension and -9.50 arcmin in declination);

Key facts about HR3976

5.08
Sub-giant

HR3976 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -78.2°
Azimuth: 76.4°
Direction: East-North-East

Celestial coordinates and finder chart of HR3976

HR3976 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 HR3976 are provided in the following table:

10h 06m 11s
-47° 22’ 11”
276.17°
6.73°
Vela

The simplified sky map below shows the position of HR3976 in the sky:

Finder chart HR3976 star
Simplified finder chart for HR3976.

Visibility of HR3976 from your location

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

HR3976 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR3976 from the Sun and relative movement

HR3976 is distant 258.12 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

79.18 pc
258.12 ly
21 km/s
0.011 arcsec/year
-0.057 arcsec/year

Spectral properties of HR3976

HR3976 belongs to spectral class K1 and has a luminosity class of IV corresponding to a sub-giant star.

0.59
K1IV
5051K

The red dot in the diagram below shows where HR3976 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3976. Attribution: Richard Powell / CC BY-SA

HR3976 star system properties

HR3976 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR3976 double sysyem:

5.08
6.78
1.7
0.7 arcsec

Alternative designations of HR3976

SAO221773
SAO221773