Alzirr - ξ Geminorum (xi Geminorum)

Below the horizon. Rise: 6:46 | Tran: 13:50 | Set: 20:55

Alt: -20.19° Az: 327.46° Direction: North-North-West

Alzirr, also designated as ξ Geminorum (xi Geminorum), is a variable giant star of spectral class F5 in the constellation of Gemini.

Alzirr visual magnitude is 3.36. Because of its moderate brightness, Alzirr 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.

Image of Alzirr - ξ Geminorum (xi Geminorum) star

DSS2 image of Alzirr. The red arrow shows the motion of Alzirr during the next 1000 years (-1.93 arcmin in Right Ascension and -3.18 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 46m 43s

Declination +12° 52’ 02”

Hour Angle 09h 55m 16s

Sidereal Time 16h 41m 59s

J2000

Right Ascension 06h 45m 17s

Declination +12° 53’ 44”

Galactic Coordinates

Galactic Longitude 200.74°

Galactic Latitude 4.5°

Finder Chart

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Finder chart for Alzirr - ξ Geminorum (xi Geminorum).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.36

Class Giant

Absolute magnitude 2.14

Spectral Type F5III

Color Index (B-V) 0.43

Temperature 6724K

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

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

Distance, Radial Speed, Proper Motion

Alzirr is distant 57.17 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

Distance (parsec) 17.54

Distance (light year) 57.17

Radial Speed 25 km/s

Proper Motion RA -0.116 arcsec/y

Proper Motion Dec -0.191"/y

Alternative Designations

Proper Name Alzirr

Bayer designation ξ Geminorum
(xi Geminorum)

Flamsteed designation 31 Geminorum

Henry Draper Catalogue HD48737

SAO Catalogue SAO96074

Hipparcos Catalogue HIP32362

Durchmusterung Catalogue BD+13 1396

Gliese Catalogue Gl 242

FK5 Catalogue 256

General Catalogue of Variable Stars 3193

Visibility from Your Location

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

Azimuth: 77.1° RISE 6:46

Max altitude: 51.4° TRANSIT 13:50

Azimuth: 282.9° SET 20:55

Set Location

Other stars in Gemini