139 Tauri

Above the horizon. Rise: 22:44 | Tran: 7:16 | Set: 15:44

Alt: 42.18° Az: 100.96° Direction: East

139 Tauri is a hypergiant star of spectral class B0 in the constellation of Taurus.

139 Tauri visual magnitude is 4.82. Because of its moderate brightness, 139 Tauri is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of 139 Tauri. The red arrow shows the motion of 139 Tauri during the next 100000 years (0.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 59m 31s

Declination +25° 57’ 16”

Hour Angle 20h 23m 58s

Sideral Time 02h 23m 29s

J2000

Right Ascension 05h 57m 59s

Declination +25° 57’ 14”

Galactic Coordinates

Galactic Longitude 183.97°

Galactic Latitude 0.84°

Finder Chart

Simplified finder chart for 139 Tauri.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.82

Class Hypergiant

Absolute magnitude -4.23

Spectral Type B0II

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where 139 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 139 Tauri. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

139 Tauri is distant 2,103.23 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 645.16

Distance (light year) 2,103.23

Radial Speed 8 km/s

Proper Motion Dec -0.002"/y

Alternative Designations

Flamsteed designation 139 Tauri

Henry Draper Catalogue HD40111

SAO Catalogue SAO77775

Hipparcos Catalogue HIP28237

Durchmusterung Catalogue BD+25 1052

Visibility from Your Location

Today's 139 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.0° RISE 22:44

Max altitude: 64.5° TRANSIT 7:16

Azimuth: 296.0° SET 15:44

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Taurus