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public LocationGreenwich, United Kingdom
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
wb_twilight   (Civil Twilight)   What's Visible Now?

38 Geminorum

Below the horizon.  Rise: 7:11 | Tran: 14:17 | Set: 21:23
Altitude: -19.4°   Azimuth: 34.0°   Direction: North-East

38 Geminorum is a variable and multiple hypergiant star of spectral class F0 in the constellation of Gemini.

38 Geminorum visual magnitude is 4.65. Because of its moderate brightness, 38 Geminorum 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.

Celestial coordinates and finder chart of 38 Geminorum

Finder chart 38 Geminorum star
Simplified finder chart for 38 Geminorum.

38 Geminorum is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 38 Geminorum are provided in the following table:

06h 54m 38s
+13° 10’ 40”
Image of 38 Geminorum star
DSS2 image of 38 Geminorum. The red arrow shows the motion of 38 Geminorum during the next 10000 years (13.00 arcmin in Right Ascension and -13.83 arcmin in declination);

Key facts about 38 Geminorum


and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 38 Geminorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 38 Geminorum. Attribution: Richard Powell / CC BY-SA

38 Geminorum star system properties

38 Geminorum 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 38 Geminorum double sysyem:

7 arcsec

Distance of 38 Geminorum from the Sun and relative movement

38 Geminorum is distant 91.09 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

27.94 pc
91.09 ly
24 km/s
0.078 arcsec/year
-0.083 arcsec/year

Alternative designations of 38 Geminorum

38 Geminorum
Wo 9220 A

Visibility of 38 Geminorum from your location

Today's 38 Geminorum rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.8°
Max altitude: 51.7°
Azimuth: 283.2°