HR5089

HR5089 is a variable and double supergiant star in the constellation of Centaurus.

HR5089 visual magnitude is 3.88. Because of its moderate brightness, HR5089 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 HR5089:

Color of HR5089 ⬤

Magnitude of HR5089 3.88

Class Supergiant

VISIBILITY RIGHT NOW HR5089 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR5089

HR5089 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR5089 are provided in the following table:

Right Ascension J2000 13h 31m 02s

Declination J2000 -39° 24’ 26”

Galactic Longitude 311.22°

Galactic Latitude 22.83°

Constellation Centaurus

The simplified sky map below shows the position of HR5089 in the sky:

Simplified finder chart for HR5089.

Visibility of HR5089 from your location

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

HR5089 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR5089

The image below is a photograph of HR5089 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 HR5089 is -0.012 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR5089. The red arrow shows the motion of HR5089 during the next 10000 years (-2.00 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR5089 from the Sun and relative movement

HR5089 is distant 1,253.85 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 384.62 pc

Distance (light year) 1,253.85 ly

Heliocentric radial velocity -2 km/s

Proper Motion RA -0.012 arcsec/year

Proper Motion Dec -0.015 arcsec/year

Spectral properties of HR5089

HR5089 belongs to spectral class G9 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -4.05

Spectral Type G9I

Color Index (B-V) 1.17

Temperature of HR5089 4368K

The red dot in the diagram below shows where HR5089 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5089. Attribution: Richard Powell / CC BY-SA

HR5089 star system properties

HR5089 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR5089 double sysyem:

Main star magnitude 3.88

Secondary star magnitude 3.98

Magnitude difference 0.1

Separation 0.2 arcsec

Alternative designations of HR5089

Henry Draper Catalogue HD117440

SAO Catalogue SAO204545

Hipparcos Catalogue HIP65936

Durchmusterung Catalogue CD-38 8592

General Catalogue of Variable Stars 6283

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Other stars in Centaurus