HR1902

Above the horizon. Rise: 5:57 | Tran: 14:33 | Set: 23:08

Alt: 6.58° Az: 54.03° Direction: North-East

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.

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);

Celestial Coordinates

Apparent

Right Ascension 05h 38m 44s

Declination +26° 56’ 15”

Hour Angle 16h 17m 37s

Sidereal Time 21h 56m 21s

J2000

Right Ascension 05h 37m 08s

Declination +26° 55’ 27”

Galactic Coordinates

Galactic Longitude 180.72°

Galactic Latitude -2.65°

Finder Chart

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Finder chart for HR1902.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.83

Class Sub-giant

Absolute magnitude 0.00

Spectral Type B9IV

Color Index (B-V) -0.07

Temperature 11092K

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

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

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:

Main star magnitude 5.83

Secondary star magnitude 5.93

Magnitude difference 0.1

Separation 1.1 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 146.41

Distance (light year) 477.31

Radial Speed 10 km/s

Proper Motion RA 0.011 arcsec/y

Proper Motion Dec -0.025"/y

Alternative Designations

Henry Draper Catalogue HD37098

SAO Catalogue SAO77322

Hipparcos Catalogue HIP26396

Durchmusterung Catalogue BD+26 870

General Catalogue of Variable Stars 2426

Aitken Double Star Catalogue ADS4208

Visibility from Your Location

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

Azimuth: 63.1° RISE 5:57

Max altitude: 65.5° TRANSIT 14:33

Azimuth: 296.9° SET 23:08

Set Location

Other stars in Taurus