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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:52  
clear_day Transit: 12:49  
SunsetSet: 18:46 south
sunny DaytimeWhat's Visible Now
All Constellations » Gemini » 

47 Geminorum

Altitude: -4.9°   Azimuth: 326.6°   Direction: North-North-West

47 Geminorum is a sub-giant star in the constellation of Gemini.

47 Geminorum visual magnitude is 5.78. Because of its reltive faintness, 47 Geminorum should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 47 Geminorum:


47 Geminorum is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -4.9°
Azimuth: 326.6°
Direction: North-North-West

Celestial coordinates and finder chart of 47 Geminorum

47 Geminorum is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 47 Geminorum are provided in the following table:

07h 11m 23s
+26° 51’ 24”

The simplified sky map below shows the position of 47 Geminorum in the sky:

Finder chart 47 Geminorum star
Simplified finder chart for 47 Geminorum.

Visibility of 47 Geminorum from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 47 Geminorum rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.1°
Max altitude: 65.4°
Azimuth: 296.9°

Digitized Sky Survey image of 47 Geminorum

The image below is a photograph of 47 Geminorum from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 47 Geminorum is -0.023 arcsec per year in Right Ascension and -0.036 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 47 Geminorum star
DSS2 image of 47 Geminorum. The red arrow shows the motion of 47 Geminorum during the next 10000 years (-3.83 arcmin in Right Ascension and -6.00 arcmin in declination);

Distance of 47 Geminorum from the Sun and relative movement

47 Geminorum is distant 389.95 light years from the Sun and it is moving far from the Sun at the speed of 39 kilometers per second.

119.62 pc
389.95 ly
39 km/s
-0.023 arcsec/year
-0.036 arcsec/year

Spectral properties of 47 Geminorum

47 Geminorum belongs to spectral class A4 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where 47 Geminorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 47 Geminorum. Attribution: Richard Powell / CC BY-SA

Alternative designations of 47 Geminorum

47 Geminorum