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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

4 Scorpii

Below the horizon.  Rise: 19:23 | Tran: 22:49 | Set: 2:18
Altitude: -57.4°   Azimuth: 49.7°   Direction: North-East

4 Scorpii is a main-sequence star of spectral class A3 in the constellation of Scorpius.

4 Scorpii visual magnitude is 5.62. Because of its faintness, 4 Scorpii 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.

Celestial coordinates and finder chart of 4 Scorpii

Finder chart 4 Scorpii star
Simplified finder chart for 4 Scorpii.

4 Scorpii is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 4 Scorpii are provided in the following table:

15h 55m 30s
-26° 15’ 56”
346.52°
20.64°
Scorpius
Image of 4 Scorpii star
DSS2 image of 4 Scorpii. The red arrow shows the motion of 4 Scorpii during the next 10000 years (-7.50 arcmin in Right Ascension and -3.50 arcmin in declination);

Key facts about 4 Scorpii

5.62
Main-sequence

and has a luminosity class of V corresponding to a main-sequence star.

0.01
A3V
8571K

The red dot in the diagram below shows where 4 Scorpii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 4 Scorpii. Attribution: Richard Powell / CC BY-SA

Distance of 4 Scorpii from the Sun and relative movement

4 Scorpii is distant 431.79 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

132.45 pc
431.79 ly
-29 km/s
-0.045 arcsec/year
-0.021 arcsec/year

Alternative designations of 4 Scorpii

SAO183931
SAO183931

Visibility of 4 Scorpii from your location

Today's 4 Scorpii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.3°
Max altitude: 12.3°
Azimuth: 243.7°