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🌎  Greenwich, United Kingdom [change]

47 Serpentis

47 Serpentis is a variable giant star in the constellation of Serpens.

47 Serpentis visual magnitude is 5.73. Because of its reltive faintness, 47 Serpentis 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 Serpentis:

47 Serpentis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 21°.

Celestial coordinates and finder chart of 47 Serpentis

47 Serpentis 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 47 Serpentis are provided in the following table:

16h 08m 27s
+08° 32’ 03”

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

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

Visibility of 47 Serpentis from your location

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

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

Azimuth: 81.5°
Max altitude: 47.1°
Azimuth: 278.5°
47 Serpentis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 47 Serpentis

The image below is a photograph of 47 Serpentis 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 Serpentis is -0.017 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 47 Serpentis star
DSS2 image of 47 Serpentis. The red arrow shows the motion of 47 Serpentis during the next 10000 years (-2.83 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of 47 Serpentis from the Sun and relative movement

47 Serpentis is distant 567.94 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

174.22 pc
567.94 ly
-22 km/s
-0.017 arcsec/year
-0.01 arcsec/year

Spectral properties of 47 Serpentis

47 Serpentis belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.


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

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

Alternative designations of 47 Serpentis

47 Serpentis