Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

40 Tauri

40 Tauri is a main-sequence star in the constellation of Taurus.

40 Tauri visual magnitude is 5.33. Because of its reltive faintness, 40 Tauri should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 40 Tauri:

5.33
Main-sequence
40 Tauri is above the horizon from Greenwich, United Kingdom [change]. Altitude: 23°.

Celestial coordinates and finder chart of 40 Tauri

40 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 40 Tauri are provided in the following table:

04h 03m 44s
+05° 26’ 08”
185.31°
-33.28°
Taurus

The simplified sky map below shows the position of 40 Tauri in the sky:

Finder chart 40 Tauri star
Simplified finder chart for 40 Tauri.

Visibility of 40 Tauri from your location

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

Today's 40 Tauri rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 84.6°
Max altitude: 44.0°
Azimuth: 275.4°
40 Tauri is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 40 Tauri

The image below is a photograph of 40 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 40 Tauri is 0.003 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 40 Tauri star
DSS2 image of 40 Tauri. The red arrow shows the motion of 40 Tauri during the next 10000 years (0.50 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of 40 Tauri from the Sun and relative movement

40 Tauri is distant 1,044.87 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

320.51 pc
1,044.87 ly
11 km/s
0.003 arcsec/year
-0.01 arcsec/year

Spectral properties of 40 Tauri

40 Tauri belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.

-2.20
B3V
11247K

The red dot in the diagram below shows where 40 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 40 Tauri. Attribution: Richard Powell / CC BY-SA

Alternative designations of 40 Tauri

SAO111585
SAO111585