HR9019

Altitude: 49.4° Azimuth: 312.1° Direction: North-West

HR9019 is a hypergiant star in the constellation of Cassiopeia.

HR9019 visual magnitude is 6.34. Because of its reltive faintness, HR9019 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 HR9019:

Color of HR9019 ⬤

Magnitude of HR9019 6.34

Class Hypergiant

VISIBILITY RIGHT NOW

HR9019 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 49.4°
Azimuth: 312.1°
Direction: North-West

Celestial coordinates and finder chart of HR9019

HR9019 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 HR9019 are provided in the following table:

Right Ascension J2000 23h 48m 53s

Declination J2000 +59° 58’ 44”

Galactic Longitude 115.18°

Galactic Latitude -1.95°

Constellation Cassiopeia

The simplified sky map below shows the position of HR9019 in the sky:

Simplified finder chart for HR9019.

Visibility of HR9019 from your location

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

HR9019 is circumpolar and transits at 06:43 UTC (altitude: 81.5°)

Digitized Sky Survey image of HR9019

The image below is a photograph of HR9019 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 HR9019 is 0.048 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR9019. The red arrow shows the motion of HR9019 during the next 10000 years (8.00 arcmin in Right Ascension and 1.17 arcmin in declination);

Distance of HR9019 from the Sun and relative movement

HR9019 is distant 343.52 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

Distance (parsec) 105.37 pc

Distance (light year) 343.52 ly

Heliocentric radial velocity -16 km/s

Proper Motion RA 0.048 arcsec/year

Proper Motion Dec 0.007 arcsec/year

Spectral properties of HR9019

HR9019 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 1.23

Spectral Type A0V

Color Index (B-V) -0.01

Temperature of HR9019 10252K

The red dot in the diagram below shows where HR9019 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR9019. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR9019

Henry Draper Catalogue HD223386

SAO Catalogue SAO35794

Hipparcos Catalogue HIP117450

Durchmusterung Catalogue BD+59 2777

In Evidence

Other stars in Cassiopeia