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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:21 
Transit: 12:14 
Sunset: 17:07
wb_twilight   (Astronomical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Taurus » 

σ2 Tauri (sigma2 Tauri)

Below the horizon.  Rise: 11:50 | Tran: 19:12 | Set: 2:38
Alt: -18.68°   Az: 332.98°   Direction: North-North-West

σ2 Tauri is a multiple main-sequence star of spectral class A5 in the constellation of Taurus.

σ2 Tauri visual magnitude is 4.69. Because of its moderate brightness, σ2 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.

Image of σ2 Tauri (sigma2 Tauri) star
DSS2 image of σ2 Tauri. The red arrow shows the motion of σ2 Tauri during the next 10000 years (13.83 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

04h 40m 42s
+15° 57’ 57”
10h 13m 37s
14h 54m 20s

J2000

04h 39m 16s
+15° 55’ 05”

Galactic Coordinates

181.99°
-19.97°

Finder Chart

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Finder chart for σ2 Tauri (sigma2 Tauri).

Magnitude, Color, Spectral Class

4.69
Main-sequence

1.25
A5V
8571K

The red dot in the diagram below shows where σ2 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of σ2 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

σ2 Tauri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the σ2 Tauri double sysyem:

4.69
5.09
0.4
431.2 arcsec

Distance, Radial Speed, Proper Motion

σ2 Tauri is distant 158.95 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

48.76
158.95
36 km/s
0.083 arcsec/y
-0.018"/y

Alternative Designations

σ2 Tauri
(sigma2 Tauri)
SAO94054
SAO94054

Visibility from Your Location

Today's σ2 Tauri (sigma2 Tauri) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.0°
Max altitude: 54.5°
Azimuth: 286.0°