89 Tauri

Altitude: 4.9° Azimuth: 289.7° Direction: West-North-West

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:

Color of 89 Tauri ⬤

Magnitude of 89 Tauri 5.79

Class Hypergiant

VISIBILITY RIGHT NOW

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

Altitude: 4.9°
Azimuth: 289.7°
Direction: West-North-West

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:

Right Ascension J2000 04h 38m 09s

Declination J2000 +16° 01’ 59”

Galactic Longitude 181.72°

Galactic Latitude -20.12°

Constellation Taurus

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

Simplified finder chart for 89 Tauri.

Visibility of 89 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 89 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: 74.0° RISE 16:33

Max altitude: 54.6° TRANSIT 23:55

Azimuth: 286.0° SET 7:21

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.

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.

Distance (parsec) 45.54 pc

Distance (light year) 148.45 ly

Heliocentric radial velocity 38 km/s

Proper Motion RA 0.093 arcsec/year

Proper Motion Dec -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.

Absolute magnitude 2.50

Spectral Type F0V

Color Index (B-V) 0.31

Temperature of 89 Tauri 7399K

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

Main star magnitude 5.79

Secondary star magnitude 11.69

Magnitude difference 5.9

Separation 140.5 arcsec

Alternative designations of 89 Tauri

Flamsteed designation 89 Tauri

Henry Draper Catalogue HD29375

SAO Catalogue SAO94043

Hipparcos Catalogue HIP21588

Durchmusterung Catalogue BD+15 661

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