Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 5:59  ☀️ Transit: 12:05  🌅 Sunset: 18:13

Intercrus - HR3743

Intercrus, also designated as , is a multiple hypergiant star in the constellation of Ursa Major.

Intercrus visual magnitude is 5.41. Because of its reltive faintness, Intercrus should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about Intercrus:

Intercrus - HR3743 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 30°.

Celestial coordinates and finder chart of Intercrus

Intercrus 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 Intercrus are provided in the following table:

09h 28m 40s
+45° 36’ 05”
Ursa Major

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

Finder chart Intercrus - HR3743 star
Simplified finder chart for Intercrus - HR3743.

Visibility of Intercrus from your location

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

Intercrus - HR3743 is circumpolar and transits at 21:28 UTC (altitude: 84.1°)

Digitized Sky Survey image of Intercrus

The image below is a photograph of Intercrus 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 Intercrus is -0.007 arcsec per year in Right Ascension and -0.128 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Intercrus - HR3743 star
DSS2 image of Intercrus. The red arrow shows the motion of Intercrus during the next 1000 years (-0.12 arcmin in Right Ascension and -2.13 arcmin in declination);

Distance of Intercrus from the Sun and relative movement

Intercrus is distant 287.73 light years from the Sun and it is moving far from the Sun at the speed of 39 kilometers per second.

88.26 pc
287.73 ly
39 km/s
-0.007 arcsec/year
-0.128 arcsec/year

Spectral properties of Intercrus

Intercrus belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


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

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

Intercrus star system properties

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

77.3 arcsec

Alternative designations of Intercrus