HR8243

HR8243 is a bright giant star in the constellation of Cepheus.

HR8243 visual magnitude is 5.53. Because of its reltive faintness, HR8243 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 HR8243:

Color of HR8243 ⬤

Magnitude of HR8243 5.53

Class Bright giant

VISIBILITY RIGHT NOW HR8243 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 68°.

Celestial coordinates and finder chart of HR8243

HR8243 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 HR8243 are provided in the following table:

Right Ascension J2000 21h 30m 59s

Declination J2000 +60° 27’ 33”

Galactic Longitude 100.55°

Galactic Latitude 6.62°

Constellation Cepheus

The simplified sky map below shows the position of HR8243 in the sky:

Simplified finder chart for HR8243.

Visibility of HR8243 from your location

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

HR8243 is circumpolar and transits at 09:08 UTC (altitude: 81.0°)

Digitized Sky Survey image of HR8243

The image below is a photograph of HR8243 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 HR8243 is -0.002 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR8243. The red arrow shows the motion of HR8243 during the next 100000 years (-3.33 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR8243 from the Sun and relative movement

HR8243 is distant 2,397.06 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 735.29 pc

Distance (light year) 2,397.06 ly

Heliocentric radial velocity -15 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec -0.001 arcsec/year

Spectral properties of HR8243

HR8243 belongs to spectral class B1 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -3.80

Spectral Type B1II

Color Index (B-V) 0.12

Temperature of HR8243 8839K

The red dot in the diagram below shows where HR8243 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8243. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8243

Henry Draper Catalogue HD205139

SAO Catalogue SAO19466

Hipparcos Catalogue HIP106227

Durchmusterung Catalogue BD+59 2395

How to support us

In Evidence

Other stars in Cepheus