30 Tauri

Above the horizon. Rise: 5:44 | Tran: 12:40 | Set: 19:35

Alt: 17.48° Az: 266.09° Direction: West

30 Tauri is a variable and double main-sequence star of spectral class B3 in the constellation of Taurus.

30 Tauri visual magnitude is 5.07. Because of its faintness, 30 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 30 Tauri. The red arrow shows the motion of 30 Tauri during the next 10000 years (4.67 arcmin in Right Ascension and -3.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 49m 40s

Declination +11° 13’ 11”

Hour Angle 05h 03m 50s

Sidereal Time 08h 53m 30s

J2000

Right Ascension 03h 48m 16s

Declination +11° 08’ 35”

Galactic Coordinates

Galactic Longitude 177.17°

Galactic Latitude -32.53°

Finder Chart

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Finder chart for 30 Tauri.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.07

Class Main-sequence

Absolute magnitude -1.12

Spectral Type B3V

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where 30 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 30 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

30 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 30 Tauri double sysyem:

Main star magnitude 5.07

Secondary star magnitude 9.47

Magnitude difference 4.4

Separation 9.2 arcsec

Distance, Radial Speed, Proper Motion

30 Tauri is distant 564.99 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 173.31

Distance (light year) 564.99

Radial Speed 16 km/s

Proper Motion RA 0.028 arcsec/y

Proper Motion Dec -0.022"/y

Alternative Designations

Flamsteed designation 30 Tauri

Henry Draper Catalogue HD23793

SAO Catalogue SAO93611

Hipparcos Catalogue HIP17771

Durchmusterung Catalogue BD+10 486

General Catalogue of Variable Stars 1327

Aitken Double Star Catalogue ADS2778

Visibility from Your Location

Today's 30 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.8° RISE 5:44

Max altitude: 49.7° TRANSIT 12:40

Azimuth: 281.2° SET 19:35

Set Location

Other stars in Taurus