121 Tauri

Below the horizon. Rise: 16:14 | Tran: 0:31 | Set: 8:45

Alt: -9.51° Az: 29.07° Direction: North-North-East

121 Tauri is a variable sub-giant star of spectral class B2 in the constellation of Taurus.

121 Tauri visual magnitude is 5.38. Because of its faintness, 121 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 121 Tauri. The red arrow shows the motion of 121 Tauri during the next 10000 years (1.67 arcmin in Right Ascension and -4.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 36m 58s

Declination +24° 03’ 13”

Hour Angle 14h 06m 36s

Sidereal Time 19h 43m 34s

J2000

Right Ascension 05h 35m 27s

Declination +24° 02’ 21”

Galactic Coordinates

Galactic Longitude 182.95°

Galactic Latitude -4.52°

Finder Chart

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Finder chart for 121 Tauri.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.38

Class Sub-giant

Absolute magnitude -0.94

Spectral Type B2IV

Color Index (B-V) -0.09

Temperature 11407K

The red dot in the diagram below shows where 121 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 121 Tauri. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

121 Tauri is distant 599.26 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 183.82

Distance (light year) 599.26

Radial Speed 23 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec -0.024"/y

Alternative Designations

Flamsteed designation 121 Tauri

Henry Draper Catalogue HD36819

SAO Catalogue SAO77285

Hipparcos Catalogue HIP26248

Durchmusterung Catalogue BD+23 954

FK5 Catalogue 2415

General Catalogue of Variable Stars Var?

Visibility from Your Location

Today's 121 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.9° RISE 16:14

Max altitude: 62.6° TRANSIT 0:31

Azimuth: 294.1° SET 8:45

Set Location

Other stars in Taurus