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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:21 
Transit: 12:14 
Sunset: 17:07
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All Constellations » Taurus » 

θ1 Tauri (theta1 Tauri)

Above the horizon.  Rise: 11:39 | Tran: 19:01 | Set: 2:27
Alt: 46.59°   Az: 226.89°   Direction: South-West

θ1 Tauri is a multiple hypergiant star of spectral class K0 in the constellation of Taurus.

θ1 Tauri visual magnitude is 3.84. Because of its moderate brightness, θ1 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 θ1 Tauri (theta1 Tauri) star
DSS2 image of θ1 Tauri. The red arrow shows the motion of θ1 Tauri during the next 1000 years (1.72 arcmin in Right Ascension and -0.45 arcmin in declination);

Celestial Coordinates

Apparent

04h 30m 00s
+16° 00’ 58”
02h 05m 51s
06h 35m 51s

J2000

04h 28m 34s
+15° 57’ 43”

Galactic Coordinates

180.26°
-21.97°

Finder Chart

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Finder chart for θ1 Tauri (theta1 Tauri).

Magnitude, Color, Spectral Class

3.84
Hypergiant

0.42
K0III
4866K

The red dot in the diagram below shows where θ1 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of θ1 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

θ1 Tauri is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the θ1 Tauri double sysyem:

3.84
4.24
0.4
337.4 arcsec

Distance, Radial Speed, Proper Motion

θ1 Tauri is distant 157.79 light years from the Sun and it is moving far from the Sun at the speed of 40 kilometers per second.

48.40
157.79
40 km/s
0.103 arcsec/y
-0.027"/y

Alternative Designations

θ1 Tauri
(theta1 Tauri)
SAO93955
SAO93955

Visibility from Your Location

Today's θ1 Tauri (theta1 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°