103 Tauri

Above the horizon. Rise: 5:44 | Tran: 14:00 | Set: 22:15

Alt: 42.49° Az: 255.24° Direction: West-South-West

103 Tauri is a multiple main-sequence star of spectral class B2 in the constellation of Taurus.

103 Tauri visual magnitude is 5.5. Because of its faintness, 103 Tauri 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 103 Tauri. The red arrow shows the motion of 103 Tauri during the next 100000 years (0.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 09m 39s

Declination +24° 17’ 47”

Hour Angle 03h 25m 53s

Sidereal Time 08h 35m 33s

J2000

Right Ascension 05h 08m 06s

Declination +24° 15’ 55”

Galactic Coordinates

Galactic Longitude 179.25°

Galactic Latitude -9.56°

Finder Chart

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Finder chart for 103 Tauri.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.5

Class Main-sequence

Absolute magnitude -4.48

Spectral Type B2V

Color Index (B-V) 0.06

Temperature 9434K

The red dot in the diagram below shows where 103 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 103 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

103 Tauri is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 103 Tauri double sysyem:

Main star magnitude 5.5

Secondary star magnitude 11.2

Magnitude difference 5.7

Separation 35.3 arcsec

Distance, Radial Speed, Proper Motion

103 Tauri is distant 3,227.72 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 990.10

Distance (light year) 3,227.72

Radial Speed 16 km/s

Proper Motion Dec -0.004"/y

Alternative Designations

Flamsteed designation 103 Tauri

Henry Draper Catalogue HD32990

SAO Catalogue SAO76974

Hipparcos Catalogue HIP23900

Durchmusterung Catalogue BD+24 755

Aitken Double Star Catalogue ADS3709

Visibility from Your Location

Today's 103 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.7° RISE 5:44

Max altitude: 62.8° TRANSIT 14:00

Azimuth: 294.3° SET 22:15

Set Location

Other stars in Taurus