All Constellations » Draco »

Edasich - ι Draconis (iota Draconis)

Edasich, also designated as ι Draconis (iota Draconis), is a variable and double giant star in the constellation of Draco.

Edasich visual magnitude is 3.29. Because of its moderate brightness, Edasich 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 Edasich:

Color of Edasich ⬤

Magnitude of Edasich 3.29

Class Giant

VISIBILITY RIGHT NOW Edasich - ι Draconis (iota Draconis) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 31°.

Celestial coordinates and finder chart of Edasich

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

Right Ascension J2000 15h 24m 55s

Declination J2000 +58° 57’ 57”

Galactic Longitude 93.97°

Galactic Latitude 48.63°

Constellation Draco

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

Finder chart Edasich - ι Draconis (iota Draconis) star

Simplified finder chart for Edasich - ι Draconis (iota Draconis).

Visibility of Edasich from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Edasich - ι Draconis (iota Draconis) is circumpolar and transits at 03:19 UTC (altitude: 82.5°)

Digitized Sky Survey image of Edasich

The image below is a photograph of Edasich 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 Edasich is -0.009 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Edasich - ι Draconis (iota Draconis) star

DSS2 image of Edasich. The red arrow shows the motion of Edasich during the next 10000 years (-1.50 arcmin in Right Ascension and 2.83 arcmin in declination);

Distance of Edasich from the Sun and relative movement

Edasich is distant 102.13 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 31.33 pc

Distance (light year) 102.13 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA -0.009 arcsec/year

Proper Motion Dec 0.017 arcsec/year

Spectral properties of Edasich

Edasich belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.81

Spectral Type K2III

Color Index (B-V) 1.16

Temperature of Edasich 4389K

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

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

Edasich star system properties

Edasich is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the Edasich double sysyem:

Main star magnitude 3.29

Secondary star magnitude 8.99

Magnitude difference 5.7

Separation 254.6 arcsec

Alternative designations of Edasich

Proper Name Edasich

Bayer designation ι Draconis
(iota Draconis)

Flamsteed designation 12 Draconis

Henry Draper Catalogue HD137759

SAO Catalogue SAO29520

Hipparcos Catalogue HIP75458

Durchmusterung Catalogue BD+59 1654

FK5 Catalogue 571

General Catalogue of Variable Stars 7077

How to support us

In Evidence

Other stars in Draco