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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:42 
Transit: 12:53 
Sunset: 19:03
wb_twilight   (Astronomical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Carina » 

HR3971

Below the horizon.  Never rises today
Alt: -45.93°   Az: 137.79°   Direction: South-East

HR3971 is a double sub-giant star of spectral class B7 in the constellation of Carina.

HR3971 visual magnitude is 6.14. Because of its faintness, HR3971 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR3971 star
DSS2 image of HR3971. The red arrow shows the motion of HR3971 during the next 100000 years (-8.33 arcmin in Right Ascension and 8.33 arcmin in declination);

Celestial Coordinates

Apparent

10h 04m 20s
-62° 00’ 15”
17h 38m 16s
03h 42m 36s

J2000

10h 03m 34s
-61° 53’ 02”

Galactic Coordinates

284.49°
-5.18°

Finder Chart

Finder chart HR3971 star
Simplified finder chart for HR3971.

Magnitude, Color, Spectral Class

6.14
Sub-giant

-2.49
B7IV
10653K

The red dot in the diagram below shows where HR3971 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3971. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3971 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR3971 double sysyem:

6.14
7.64
1.5
1.2 arcsec

Distance, Radial Speed, Proper Motion

HR3971 is distant 1,734.04 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

531.91
1,734.04
5 km/s
-0.005 arcsec/y
0.005"/y

Alternative Designations

SAO250795
SAO250795

Visibility from Your Location

HR3971 is currently not visible from Greenwich, UK