Iklil - ρ Scorpii (rho Scorpii)

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 skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Iklil:

Color of Iklil ⬤

Magnitude of Iklil 3.88

Class Sub-giant

VISIBILITY RIGHT NOW Iklil - ρ Scorpii (rho Scorpii) is below the horizon from Greenwich, United Kingdom [change].

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 emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Iklil are provided in the following table:

Right Ascension J2000 15h 56m 53s

Declination J2000 -29° 12’ 51”

Galactic Longitude 344.63°

Galactic Latitude 18.27°

Constellation 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 [change]
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 [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 119.2° RISE 1:39

Max altitude: 9.3° TRANSIT 4:39

Azimuth: 240.8° SET 7:40

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

Digitized Sky Survey image of Iklil

The image below is a photograph of Iklil 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 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);

Distance of Iklil from the Sun and relative movement

Iklil is distant 409.03 light years from the Sun

Distance (parsec) 125.47 pc

Distance (light year) 409.03 ly

Proper Motion RA -0.013 arcsec/year

Proper Motion Dec -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.

Absolute magnitude -1.61

Spectral Type B2IV

Color Index (B-V) -0.2

Temperature of Iklil 13585K

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

Main star magnitude 3.88

Secondary star magnitude 12.68

Magnitude difference 8.8

Separation 38.3 arcsec

Alternative designations of Iklil

Proper Name Iklil

Bayer designation ρ Scorpii
(rho Scorpii)

Flamsteed designation 5 Scorpii

Henry Draper Catalogue HD142669

SAO Catalogue SAO183957

Hipparcos Catalogue HIP78104

Durchmusterung Catalogue CD-2811714

FK5 Catalogue 3258

Aitken Double Star Catalogue ADS9846

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