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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
sunny   (Daytime)   What's Visible Now?

HR1902

Above the horizon.  Rise: 4:24 | Tran: 13:00 | Set: 21:35
Altitude: 17.7°   Azimuth: 291.2°   Direction: West-North-West

HR1902 is a variable and multiple sub-giant star of spectral class B9 in the constellation of Taurus.

HR1902 visual magnitude is 5.83. Because of its faintness, HR1902 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.

Celestial coordinates and finder chart of HR1902

Finder chart HR1902 star
Simplified finder chart for HR1902.

HR1902 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1902 are provided in the following table:

05h 37m 08s
+26° 55’ 27”
180.72°
-2.65°
Taurus
Image of HR1902 star
DSS2 image of HR1902. The red arrow shows the motion of HR1902 during the next 10000 years (1.83 arcmin in Right Ascension and -4.17 arcmin in declination);

Key facts about HR1902

5.83
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

0.00
B9IV
11092K

The red dot in the diagram below shows where HR1902 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1902. Attribution: Richard Powell / CC BY-SA

HR1902 star system properties

HR1902 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR1902 double sysyem:

5.83
5.93
0.1
1.1 arcsec

Distance of HR1902 from the Sun and relative movement

HR1902 is distant 477.31 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

146.41 pc
477.31 ly
10 km/s
0.011 arcsec/year
-0.025 arcsec/year

Alternative designations of HR1902

SAO77322
SAO77322

Visibility of HR1902 from your location

Today's HR1902 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.1°
Max altitude: 65.4°
Azimuth: 296.9°