HR4593

HR4593 is a hypergiant star in the constellation of Ursa Major.

HR4593 visual magnitude is 5.59. Because of its reltive faintness, HR4593 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 HR4593:

Color of HR4593 ⬤

Magnitude of HR4593 5.59

Class Hypergiant

VISIBILITY RIGHT NOW HR4593 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 7°.

Celestial coordinates and finder chart of HR4593

HR4593 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 HR4593 are provided in the following table:

Right Ascension J2000 12h 01m 39s

Declination J2000 +36° 02’ 30”

Galactic Longitude 169.73°

Galactic Latitude 76.17°

Constellation Ursa Major

The simplified sky map below shows the position of HR4593 in the sky:

Simplified finder chart for HR4593.

Visibility of HR4593 from your location

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

Today's HR4593 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 54.0° RISE 13:56

Max altitude: 74.6° TRANSIT 0:17

Azimuth: 306.0° SET 10:42

RIGHT NOW HR4593 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4593

The image below is a photograph of HR4593 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 HR4593 is -0.091 arcsec per year in Right Ascension and -0.081 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR4593. The red arrow shows the motion of HR4593 during the next 1000 years (-1.52 arcmin in Right Ascension and -1.35 arcmin in declination);

Distance of HR4593 from the Sun and relative movement

HR4593 is distant 361.82 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 110.99 pc

Distance (light year) 361.82 ly

Heliocentric radial velocity 30 km/s

Proper Motion RA -0.091 arcsec/year

Proper Motion Dec -0.081 arcsec/year

Spectral properties of HR4593

HR4593 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

Absolute magnitude 0.36

Spectral Type K0III

Color Index (B-V) 1.01

Temperature of HR4593 4719K

The red dot in the diagram below shows where HR4593 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4593. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4593

Henry Draper Catalogue HD104438

SAO Catalogue SAO62802

Hipparcos Catalogue HIP58654

Durchmusterung Catalogue BD+36 2230

FK5 Catalogue 2963

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In Evidence

Other stars in Ursa Major