56 Geminorum

Below the horizon. Rise: 8:40 | Tran: 16:29 | Set: 0:18

Alt: -17.19° Az: 13.01° Direction: North-North-East

56 Geminorum is a variable and multiple hypergiant star of spectral class M0 in the constellation of Gemini.

56 Geminorum visual magnitude is 5.1. Because of its faintness, 56 Geminorum 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 56 Geminorum. The red arrow shows the motion of 56 Geminorum during the next 10000 years (-11.00 arcmin in Right Ascension and -4.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 23m 26s

Declination +20° 23’ 37”

Hour Angle 12h 53m 02s

Sidereal Time 20h 16m 29s

J2000

Right Ascension 07h 21m 56s

Declination +20° 26’ 36”

Galactic Coordinates

Galactic Longitude 197.63°

Galactic Latitude 15.66°

Finder Chart

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Finder chart for 56 Geminorum.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.1

Class Hypergiant

Absolute magnitude -0.49

Spectral Type M0III

Color Index (B-V) 1.52

Temperature 3764K

The red dot in the diagram below shows where 56 Geminorum is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 56 Geminorum. Attribution: Richard Powell / CC BY-SA

Star System Properties

56 Geminorum 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 56 Geminorum double sysyem:

Main star magnitude 5.1

Secondary star magnitude 12.5

Magnitude difference 7.4

Separation 16.5 arcsec

Distance, Radial Speed, Proper Motion

56 Geminorum is distant 428.38 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 131.41

Distance (light year) 428.38

Radial Speed 4 km/s

Proper Motion RA -0.066 arcsec/y

Proper Motion Dec -0.027"/y

Alternative Designations

Flamsteed designation 56 Geminorum

Henry Draper Catalogue HD57423

SAO Catalogue SAO79328

Hipparcos Catalogue HIP35699

Durchmusterung Catalogue BD+20 1775

General Catalogue of Variable Stars 3550

Aitken Double Star Catalogue ADS6016

Visibility from Your Location

Today's 56 Geminorum rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 69.6° RISE 8:40

Max altitude: 58.9° TRANSIT 16:29

Azimuth: 290.4° SET 0:18

Set Location

Other stars in Gemini