HR8854

Altitude: 74.9° Azimuth: 38.3° Direction: North-East

HR8854 is a variable hypergiant star in the constellation of Cassiopeia.

HR8854 visual magnitude is 6.53. Because of its reltive faintness, HR8854 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 HR8854:

Color of HR8854 ⬤

Magnitude of HR8854 6.53

Class Hypergiant

VISIBILITY RIGHT NOW

HR8854 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 74.9°
Azimuth: 38.3°
Direction: North-East

Celestial coordinates and finder chart of HR8854

HR8854 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 HR8854 are provided in the following table:

Right Ascension J2000 23h 16m 26s

Declination J2000 +61° 57’ 47”

Galactic Longitude 112.02°

Galactic Latitude 1.12°

Constellation Cassiopeia

The simplified sky map below shows the position of HR8854 in the sky:

Simplified finder chart for HR8854.

Visibility of HR8854 from your location

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

HR8854 is circumpolar and transits at 18:35 UTC (altitude: 79.5°)

Digitized Sky Survey image of HR8854

The image below is a photograph of HR8854 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 HR8854 is -0.026 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8854. The red arrow shows the motion of HR8854 during the next 10000 years (-4.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR8854 from the Sun and relative movement

HR8854 is distant 1,743.32 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 534.76 pc

Distance (light year) 1,743.32 ly

Heliocentric radial velocity -15 km/s

Proper Motion RA -0.026 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR8854

HR8854 belongs to spectral class B0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude -2.11

Spectral Type B0V

Color Index (B-V) 0.23

Temperature of HR8854 7938K

The red dot in the diagram below shows where HR8854 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8854. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8854

Henry Draper Catalogue HD219634

SAO Catalogue SAO20531

Hipparcos Catalogue HIP114904

Durchmusterung Catalogue BD+61 2413

General Catalogue of Variable Stars V649 Cas

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