99 Tauri

Below the horizon. Rise: 5:40 | Tran: 13:53 | Set: 22:07

Alt: -11.39° Az: 23.23° Direction: North-North-East

99 Tauri is a multiple giant star of spectral class G8 in the constellation of Taurus.

99 Tauri visual magnitude is 5.79. Because of its faintness, 99 Tauri is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 99 Tauri. The red arrow shows the motion of 99 Tauri during the next 100000 years (13.33 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 59m 21s

Declination +23° 59’ 09”

Hour Angle 13h 40m 10s

Sidereal Time 18h 39m 31s

J2000

Right Ascension 04h 57m 48s

Declination +23° 56’ 54”

Galactic Coordinates

Galactic Longitude 178.09°

Galactic Latitude -11.64°

Finder Chart

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Finder chart for 99 Tauri.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.79

Class Giant

Absolute magnitude -0.01

Spectral Type G8

Color Index (B-V) 1.11

Temperature 4493K

The red dot in the diagram below shows where 99 Tauri is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 99 Tauri. Attribution: Richard Powell / CC BY-SA

Star System Properties

99 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 99 Tauri double sysyem:

Main star magnitude 5.79

Secondary star magnitude 12.19

Magnitude difference 6.4

Separation 103.5 arcsec

Distance, Radial Speed, Proper Motion

99 Tauri is distant 471.10 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 144.51

Distance (light year) 471.10

Radial Speed 4 km/s

Proper Motion RA 0.008 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Flamsteed designation 99 Tauri

Henry Draper Catalogue HD31553

SAO Catalogue SAO76858

Hipparcos Catalogue HIP23068

Durchmusterung Catalogue BD+23 777

Aitken Double Star Catalogue ADS3557

Visibility from Your Location

Today's 99 Tauri rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 66.0° RISE 5:40

Max altitude: 62.5° TRANSIT 13:53

Azimuth: 294.0° SET 22:07

Set Location

Other stars in Taurus