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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sleep NighttimeWhat's Visible Now?
All Constellations » Sextans » 

23 Sextantis

Altitude: 18.7°   Azimuth: 249.0°   Direction: West-South-West

23 Sextantis is a variable sub-giant star in the constellation of Sextans.

23 Sextantis visual magnitude is 6.66. Because of its reltive faintness, 23 Sextantis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 23 Sextantis is -0.007 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 23 Sextantis star
DSS2 image of 23 Sextantis. The red arrow shows the motion of 23 Sextantis during the next 100000 years (-11.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Key facts about 23 Sextantis


23 Sextantis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 18.7°
Azimuth: 249.0°
Direction: West-South-West

Celestial coordinates and finder chart of 23 Sextantis

23 Sextantis 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 23 Sextantis are provided in the following table:

10h 21m 02s
+02° 17’ 22”

The simplified sky map below shows the position of 23 Sextantis in the sky:

Finder chart 23 Sextantis star
Simplified finder chart for 23 Sextantis.

Visibility of 23 Sextantis 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 23 Sextantis 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: 87.7°
Max altitude: 40.8°
Azimuth: 272.3°

Distance of 23 Sextantis from the Sun and relative movement

23 Sextantis is distant 1,752.69 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

537.63 pc
1,752.69 ly
5 km/s
-0.007 arcsec/year
-0.003 arcsec/year

Spectral properties of 23 Sextantis

23 Sextantis belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where 23 Sextantis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 23 Sextantis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 23 Sextantis

23 Sextantis