HR8119

HR8119 is a variable and multiple hypergiant star in the constellation of Cepheus.

HR8119 visual magnitude is 5.64. Because of its reltive faintness, HR8119 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 HR8119:

Color of HR8119 ⬤

Magnitude of HR8119 5.64

Class Hypergiant

VISIBILITY RIGHT NOW HR8119 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 22°.

Celestial coordinates and finder chart of HR8119

HR8119 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 HR8119 are provided in the following table:

Right Ascension J2000 21h 11m 48s

Declination J2000 +59° 59’ 11”

Galactic Longitude 98.52°

Galactic Latitude 7.99°

Constellation Cepheus

The simplified sky map below shows the position of HR8119 in the sky:

Simplified finder chart for HR8119.

Visibility of HR8119 from your location

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

HR8119 is circumpolar and transits at 04:45 UTC (altitude: 81.5°)

Digitized Sky Survey image of HR8119

The image below is a photograph of HR8119 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 HR8119 is 0 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR8119. The red arrow shows the motion of HR8119 during the next 100000 years (0.00 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of HR8119 from the Sun and relative movement

HR8119 is distant 9,055.56 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

Distance (parsec) 2,777.78 pc

Distance (light year) 9,055.56 ly

Heliocentric radial velocity -16 km/s

Proper Motion Dec -0.005 arcsec/year

Spectral properties of HR8119

HR8119 belongs to spectral class B0 and has a luminosity class of II corresponding to a hypergiant star.

Absolute magnitude -6.58

Spectral Type B0II

Color Index (B-V) 0.11

Temperature of HR8119 8932K

The red dot in the diagram below shows where HR8119 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8119. Attribution: Richard Powell / CC BY-SA

HR8119 star system properties

HR8119 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR8119 double sysyem:

Main star magnitude 5.64

Secondary star magnitude 6.64

Magnitude difference 1

Separation 1 arcsec

Alternative designations of HR8119

Henry Draper Catalogue HD202214

SAO Catalogue SAO33210

Hipparcos Catalogue HIP104642

Durchmusterung Catalogue BD+59 2334

General Catalogue of Variable Stars 13598

Aitken Double Star Catalogue ADS14749

In Evidence

Other stars in Cepheus