HR3236

HR3236 is a multiple hypergiant star in the constellation of Ursa Major.

HR3236 visual magnitude is 5.98. Because of its reltive faintness, HR3236 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 HR3236:

Color of HR3236 ⬤

Magnitude of HR3236 5.98

Class Hypergiant

VISIBILITY RIGHT NOW HR3236 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 34°.

Celestial coordinates and finder chart of HR3236

HR3236 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3236 are provided in the following table:

Right Ascension J2000 08h 20m 40s

Declination J2000 +72° 24’ 25”

Galactic Longitude 142.29°

Galactic Latitude 32.46°

Constellation Ursa Major

The simplified sky map below shows the position of HR3236 in the sky:

Simplified finder chart for HR3236.

Visibility of HR3236 from your location

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

HR3236 is circumpolar and transits at 20:20 UTC (altitude: 69.1°)

Digitized Sky Survey image of HR3236

The image below is a photograph of HR3236 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 HR3236 is 0.004 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.

DSS2 image of HR3236. The red arrow shows the motion of HR3236 during the next 10000 years (0.67 arcmin in Right Ascension and -4.17 arcmin in declination);

Distance of HR3236 from the Sun and relative movement

HR3236 is distant 947.67 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 290.70 pc

Distance (light year) 947.67 ly

Heliocentric radial velocity 12 km/s

Proper Motion RA 0.004 arcsec/year

Proper Motion Dec -0.025 arcsec/year

Spectral properties of HR3236

HR3236 belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.

Absolute magnitude -1.34

Spectral Type M0III

Color Index (B-V) 1.54

Temperature of HR3236 3734K

The red dot in the diagram below shows where HR3236 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3236. Attribution: Richard Powell / CC BY-SA

HR3236 star system properties

HR3236 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3236 double sysyem:

Main star magnitude 5.98

Secondary star magnitude 9.68

Magnitude difference 3.7

Separation 42.9 arcsec

Alternative designations of HR3236

Henry Draper Catalogue HD68951

SAO Catalogue SAO6504

Hipparcos Catalogue HIP40889

Durchmusterung Catalogue BD+72 409

Aitken Double Star Catalogue ADS6724

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Other stars in Ursa Major