Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Libu, Cina Libu, Cina  ⓘ
TimezoneAsia/Shanghai
Sunrise: 5:50 
Transit: 12:35 
Sunset: 19:21
Search  close
All Constellations » Taurus » 

HR1831

Above the horizon.  Rise: 4:04 | Tran: 10:49 | Set: 17:30
Alt: 65.31°   Az: 270.71°   Direction: West

HR1831 is a hypergiant star of spectral class K0 in the constellation of Taurus.

HR1831 visual magnitude is 6.29. Because of its faintness, HR1831 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 HR1831 star
DSS2 image of HR1831. The red arrow shows the motion of HR1831 during the next 10000 years (7.17 arcmin in Right Ascension and -2.67 arcmin in declination);

Celestial Coordinates

Apparent

05h 32m 15s
+22° 28’ 48”
01h 47m 28s
07h 19m 44s

J2000

05h 30m 43s
+22° 27’ 44”

Galactic Coordinates

183.7°
-6.29°

Finder Chart

loader
  Loading map...
Finder chart for HR1831.

Magnitude, Color, Spectral Class

6.29
Hypergiant

0.87
K0
4348K

The red dot in the diagram below shows where HR1831 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1831. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1831 is distant 394.67 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

121.07
394.67
2 km/s
0.043 arcsec/y
-0.016"/y

Alternative Designations

SAO77220
SAO77220

Visibility from Your Location

Today's HR1831 rise, transit and set times from Libu, Cina are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 67.5°
Max altitude: 87.9°
Azimuth: 292.5°