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

89 Tauri

89 Tauri is a double hypergiant star in the constellation of Taurus.

89 Tauri visual magnitude is 5.79. Because of its reltive faintness, 89 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 89 Tauri:

5.79
Hypergiant
89 Tauri is above the horizon from Greenwich, United Kingdom [change]. Altitude: 23°.

Celestial coordinates and finder chart of 89 Tauri

89 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 89 Tauri are provided in the following table:

04h 38m 09s
+16° 01’ 59”
181.72°
-20.12°
Taurus

The simplified sky map below shows the position of 89 Tauri in the sky:

Finder chart 89 Tauri star
Simplified finder chart for 89 Tauri.

Visibility of 89 Tauri from your location

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

Today's 89 Tauri rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.0°
Max altitude: 54.6°
Azimuth: 286.0°
89 Tauri is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 89 Tauri

The image below is a photograph of 89 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 89 Tauri is 0.093 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 89 Tauri star
DSS2 image of 89 Tauri. The red arrow shows the motion of 89 Tauri during the next 1000 years (1.55 arcmin in Right Ascension and -0.38 arcmin in declination);

Distance of 89 Tauri from the Sun and relative movement

89 Tauri is distant 148.45 light years from the Sun and it is moving far from the Sun at the speed of 38 kilometers per second.

45.54 pc
148.45 ly
38 km/s
0.093 arcsec/year
-0.023 arcsec/year

Spectral properties of 89 Tauri

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

2.50
F0V
7399K

The red dot in the diagram below shows where 89 Tauri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 89 Tauri. Attribution: Richard Powell / CC BY-SA

89 Tauri star system properties

89 Tauri is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 89 Tauri double sysyem:

5.79
11.69
5.9
140.5 arcsec

Alternative designations of 89 Tauri

SAO94043
SAO94043