We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:18 
Transit: 12:46 
Sunset: 18:13
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Vela » 

HR3904

Below the horizon.  Never rises today
Alt: -22.55°   Az: 221.32°   Direction: South-West

HR3904 is a hypergiant star of spectral class K0 in the constellation of Vela.

HR3904 visual magnitude is 5.73. Because of its faintness, HR3904 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 HR3904 star
DSS2 image of HR3904. The red arrow shows the motion of HR3904 during the next 10000 years (-5.67 arcmin in Right Ascension and 2.67 arcmin in declination);

Celestial Coordinates

Apparent

09h 51m 39s
-47° 03’ 04”
04h 14m 03s
14h 05m 42s

J2000

09h 50m 42s
-46° 56’ 03”

Galactic Coordinates

273.82°
5.46°

Finder Chart

Finder chart HR3904 star
Simplified finder chart for HR3904.

Magnitude, Color, Spectral Class

5.73
Hypergiant

-0.58
K0III
4559K

The red dot in the diagram below shows where HR3904 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3904. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3904 is distant 597.07 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

183.15
597.07
17 km/s
-0.034 arcsec/y
0.016"/y

Alternative Designations

SAO221538
SAO221538

Visibility from Your Location

HR3904 is currently not visible from Greenwich, UK