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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:56 
Sunset: 20:44
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All Constellations » Carina » 

HR3999

Below the horizon.  Never rises today
Alt: -59.59°   Az: 130.69°   Direction: South-East

HR3999 is a variable giant star of spectral class M2 in the constellation of Carina.

HR3999 visual magnitude is 5.6. Because of its faintness, HR3999 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 HR3999 star
DSS2 image of HR3999. The red arrow shows the motion of HR3999 during the next 1000 years (-1.57 arcmin in Right Ascension and 1.22 arcmin in declination);

Celestial Coordinates

Apparent

10h 10m 10s
-61° 40’ 27”
15h 35m 58s
01h 46m 08s

J2000

10h 09m 21s
-61° 32’ 57”

Galactic Coordinates

284.85°
-4.51°

Finder Chart

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Finder chart for HR3999.

Magnitude, Color, Spectral Class

5.6
Giant

-2.44
M2III
3649K

The red dot in the diagram below shows where HR3999 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3999. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3999 is distant 1,319.84 light years from the Sun and it is moving far from the Sun at the speed of 289 kilometers per second.

404.86
1,319.84
289 km/s
-0.094 arcsec/y
0.073"/y

Alternative Designations

SAO250840
SAO250840

Visibility from Your Location

HR3999 is currently not visible from Greenwich, UK