Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Koríni, Grecia Koríni, Grecia  ⓘ
TimezoneEurope/Athens
Sunrise: 6:13 
Transit: 13:33 
Sunset: 20:52
Search  close
All Constellations » Scorpius » 

1 Scorpii

Above the horizon.  Rise: 17:43 | Tran: 22:12 | Set: 2:41
Alt: 1.49°   Az: 234.87°   Direction: South-West

1 Scorpii is a main-sequence star of spectral class B3 in the constellation of Scorpius.

1 Scorpii visual magnitude is 4.64. Because of its moderate brightness, 1 Scorpii 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.

Image of 1 Scorpii star
DSS2 image of 1 Scorpii. The red arrow shows the motion of 1 Scorpii during the next 10000 years (-3.00 arcmin in Right Ascension and -4.00 arcmin in declination);

Celestial Coordinates

Apparent

15h 52m 31s
-25° 49’ 36”
04h 21m 05s
20h 13m 36s

J2000

15h 50m 58s
-25° 45’ 05”

Galactic Coordinates

346.1°
21.71°

Finder Chart

loader
  Loading map...
Finder chart for 1 Scorpii.

Magnitude, Color, Spectral Class

4.64
Main-sequence

-1.38
B3V
10795K

The red dot in the diagram below shows where 1 Scorpii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 1 Scorpii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

1 Scorpii is distant 521.60 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

160.00
521.60
3 km/s
-0.018 arcsec/y
-0.024"/y

Alternative Designations

SAO183854
SAO183854

Visibility from Your Location

Today's 1 Scorpii rise, transit and set times from Koríni, Grecia are the following (all times relative to the local timezone Europe/Athens):

Azimuth: 115.8°
Max altitude: 25.9°
Azimuth: 244.2°