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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:03  
clear_day Transit: 12:12  
SunsetSet: 17:22
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All Constellations » Boötes » 

Izar - ε Boötis (epsilon Boötis)

Altitude: 25.4°   Azimuth: 77.7°   Direction: East-North-East

Izar, also designated as ε Boötis (epsilon Boötis), is a multiple hypergiant star in the constellation of Boötes.

Izar visual magnitude is 2.7. Thanks to its high brightness, Izar is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The proper motion of Izar is -0.049 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Izar - ε Boötis (epsilon Boötis) star
DSS2 image of Izar. The red arrow shows the motion of Izar during the next 10000 years (-8.17 arcmin in Right Ascension and 3.50 arcmin in declination);

Key facts about Izar


Izar - ε Boötis (epsilon Boötis) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.4°
Azimuth: 77.7°
Direction: East-North-East

Celestial coordinates and finder chart of Izar

Izar 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 Izar are provided in the following table:

14h 44m 59s
+27° 04’ 27”

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

Finder chart Izar - ε Boötis (epsilon Boötis) star
Simplified finder chart for Izar - ε Boötis (epsilon Boötis).

Visibility of Izar 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 Izar - ε Boötis (epsilon Boötis) 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: 62.9°
Max altitude: 65.6°
Azimuth: 297.1°

Spectral properties of Izar

Izar belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.


Izar star system properties

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

2.8 arcsec

Alternative designations of Izar

ε Boötis
(epsilon Boötis)