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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: 6:38  
clear_day Transit: 12:10  
SunsetSet: 17:43
sleep NighttimeWhat's Visible Now?
All Constellations » Scorpius » 

Iklil - ρ Scorpii (rho Scorpii)

Altitude: -35.8°   Azimuth: 93.4°   Direction: East

Iklil, also designated as ρ Scorpii (rho Scorpii), is a double sub-giant star in the constellation of Scorpius.

Iklil visual magnitude is 3.88. Because of its moderate brightness, Iklil should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of Iklil is -0.013 arcsec per year in Right Ascension and -0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Iklil - ρ Scorpii (rho Scorpii) star
DSS2 image of Iklil. The red arrow shows the motion of Iklil during the next 10000 years (-2.17 arcmin in Right Ascension and -4.17 arcmin in declination);

Key facts about Iklil

3.88
Sub-giant

Iklil - ρ Scorpii (rho Scorpii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -35.8°
Azimuth: 93.4°
Direction: East

Celestial coordinates and finder chart of Iklil

Iklil 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 Iklil are provided in the following table:

15h 56m 53s
-29° 12’ 51”
344.63°
18.27°
Scorpius

The simplified sky map below shows the position of Iklil in the sky:

Finder chart Iklil - ρ Scorpii (rho Scorpii) star
Simplified finder chart for Iklil - ρ Scorpii (rho Scorpii).

Visibility of Iklil 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 Iklil - ρ Scorpii (rho Scorpii) 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: 119.2°
Max altitude: 9.3°
Azimuth: 240.8°

Distance of Iklil from the Sun and relative movement

Iklil is distant 409.03 light years from the Sun

125.47 pc
409.03 ly
-0.013 arcsec/year
-0.025 arcsec/year

Spectral properties of Iklil

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

-1.61
B2IV
13585K

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

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

Iklil star system properties

Iklil is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Iklil double sysyem:

3.88
12.68
8.8
38.3 arcsec

Alternative designations of Iklil

Iklil
ρ Scorpii
(rho Scorpii)
SAO183957
SAO183957