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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Taurus » 

71 Tauri

Altitude: 31.1°   Azimuth: 104.6°   Direction: East-South-East

71 Tauri is a variable and multiple hypergiant star in the constellation of Taurus.

71 Tauri visual magnitude is 4.49. Because of its moderate brightness, 71 Tauri should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 71 Tauri:


71 Tauri is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 31.1°
Azimuth: 104.6°
Direction: East-South-East

Celestial coordinates and finder chart of 71 Tauri

71 Tauri is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 71 Tauri are provided in the following table:

04h 26m 20s
+15° 37’ 05”

The simplified sky map below shows the position of 71 Tauri in the sky:

Finder chart 71 Tauri star
Simplified finder chart for 71 Tauri.

Visibility of 71 Tauri from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 71 Tauri rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.4°
Max altitude: 54.1°
Azimuth: 285.6°

Digitized Sky Survey image of 71 Tauri

The image below is a photograph of 71 Tauri from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 71 Tauri is 0.112 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 71 Tauri star
DSS2 image of 71 Tauri. The red arrow shows the motion of 71 Tauri during the next 1000 years (1.87 arcmin in Right Ascension and -0.38 arcmin in declination);

Distance of 71 Tauri from the Sun and relative movement

71 Tauri is distant 156.28 light years from the Sun and it is moving far from the Sun at the speed of 38 kilometers per second.

47.94 pc
156.28 ly
38 km/s
0.112 arcsec/year
-0.023 arcsec/year

Spectral properties of 71 Tauri

71 Tauri belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 71 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 71 Tauri. Attribution: Richard Powell / CC BY-SA

71 Tauri star system properties

71 Tauri is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 71 Tauri double sysyem:

0.1 arcsec

Alternative designations of 71 Tauri