90 Tauri

Below the horizon. Rise: 4:49 | Tran: 11:51 | Set: 18:54

Alt: -25.15° Az: 12.69° Direction: North-North-East

90 Tauri is a multiple main-sequence star of spectral class A6 in the constellation of Taurus.

90 Tauri visual magnitude is 4.27. Because of its moderate brightness, 90 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.

DSS2 image of 90 Tauri. The red arrow shows the motion of 90 Tauri during the next 1000 years (1.72 arcmin in Right Ascension and -0.22 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 39m 34s

Declination +12° 33’ 35”

Hour Angle 12h 47m 01s

Sidereal Time 17h 26m 36s

J2000

Right Ascension 04h 38m 09s

Declination +12° 30’ 38”

Galactic Coordinates

Galactic Longitude 184.74°

Galactic Latitude -22.24°

Finder Chart

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Finder chart for 90 Tauri.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.27

Class Main-sequence

Absolute magnitude 0.96

Spectral Type A6V

Color Index (B-V) 0.12

Temperature 8839K

The red dot in the diagram below shows where 90 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 90 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

90 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 90 Tauri double sysyem:

Main star magnitude 4.27

Secondary star magnitude 9.97

Magnitude difference 5.7

Separation 119.8 arcsec

Distance, Radial Speed, Proper Motion

90 Tauri is distant 149.61 light years from the Sun and it is moving far from the Sun at the speed of 45 kilometers per second.

Distance (parsec) 45.89

Distance (light year) 149.61

Radial Speed 45 km/s

Proper Motion RA 0.103 arcsec/y

Proper Motion Dec -0.013"/y

Alternative Designations

Flamsteed designation 90 Tauri

Henry Draper Catalogue HD29388

SAO Catalogue SAO94044

Hipparcos Catalogue HIP21589

Durchmusterung Catalogue BD+12 618

FK5 Catalogue 2342

Visibility from Your Location

Today's 90 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 77.4° RISE 4:49

Max altitude: 51.1° TRANSIT 11:51

Azimuth: 282.6° SET 18:54

Set Location

Other stars in Taurus