Tejat - μ Geminorum (mu Geminorum)

Above the horizon. Rise: 5:06 | Tran: 13:08 | Set: 21:11

Alt: 21.94° Az: 81.01° Direction: South

Tejat, also designated as μ Geminorum (mu Geminorum), is a variable and multiple giant star of spectral class M3 in the constellation of Gemini.

Tejat visual magnitude is 2.88. Because of its brightness, Tejat is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Tejat - μ Geminorum (mu Geminorum) star

DSS2 image of Tejat. The red arrow shows the motion of Tejat during the next 1000 years (0.90 arcmin in Right Ascension and -1.85 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 24m 29s

Declination +22° 29’ 56”

Hour Angle 18h 29m 40s

Sidereal Time 00h 54m 10s

J2000

Right Ascension 06h 22m 57s

Declination +22° 30’ 48”

Galactic Coordinates

Galactic Longitude 189.72°

Galactic Latitude 4.17°

Finder Chart

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Finder chart for Tejat - μ Geminorum (mu Geminorum).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 2.88

Class Giant

Absolute magnitude -1.38

Spectral Type M3III

Color Index (B-V) 1.64

Temperature 3594K

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

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

Star System Properties

Tejat 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 Tejat double sysyem:

Main star magnitude 2.88

Secondary star magnitude 10.98

Magnitude difference 8.1

Separation 121.7 arcsec

Distance, Radial Speed, Proper Motion

Tejat is distant 231.70 light years from the Sun and it is moving far from the Sun at the speed of 55 kilometers per second.

Distance (parsec) 71.07

Distance (light year) 231.70

Radial Speed 55 km/s

Proper Motion RA 0.054 arcsec/y

Proper Motion Dec -0.111"/y

Alternative Designations

Proper Name Tejat

Bayer designation μ Geminorum
(mu Geminorum)

Flamsteed designation 13 Geminorum

Henry Draper Catalogue HD44478

SAO Catalogue SAO78297

Hipparcos Catalogue HIP30343

Durchmusterung Catalogue BD+22 1304

FK5 Catalogue 241

General Catalogue of Variable Stars Mu Gem

Aitken Double Star Catalogue ADS4990

Visibility from Your Location

Today's Tejat - μ Geminorum (mu Geminorum) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 67.5° RISE 5:06

Max altitude: 61.0° TRANSIT 13:08

Azimuth: 292.5° SET 21:11

Set Location

Other stars in Gemini