HR8113

HR8113 is a variable giant star in the constellation of Cepheus.

HR8113 visual magnitude is 7.33. Because of its reltive faintness, HR8113 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 HR8113:

Color of HR8113 ⬤

Magnitude of HR8113 7.33

Class Giant

VISIBILITY RIGHT NOW HR8113 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 59°.

Celestial coordinates and finder chart of HR8113

HR8113 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 HR8113 are provided in the following table:

Right Ascension J2000 21h 09m 32s

Declination J2000 +68° 29’ 25”

Galactic Longitude 104.81°

Galactic Latitude 13.84°

Constellation Cepheus

The simplified sky map below shows the position of HR8113 in the sky:

Simplified finder chart for HR8113.

Visibility of HR8113 from your location

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

HR8113 is circumpolar and transits at 08:27 UTC (altitude: 73.0°)

Digitized Sky Survey image of HR8113

The image below is a photograph of HR8113 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 HR8113 is -0.032 arcsec per year in Right Ascension and -0.067 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8113. The red arrow shows the motion of HR8113 during the next 10000 years (-5.33 arcmin in Right Ascension and -11.17 arcmin in declination);

Distance of HR8113 from the Sun and relative movement

HR8113 is distant 684.87 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 210.08 pc

Distance (light year) 684.87 ly

Heliocentric radial velocity -12 km/s

Proper Motion RA -0.032 arcsec/year

Proper Motion Dec -0.067 arcsec/year

Spectral properties of HR8113

HR8113 belongs to spectral class M7 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.72

Spectral Type M7III

Color Index (B-V) 1.49

Temperature of HR8113 3809K

The red dot in the diagram below shows where HR8113 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8113. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8113

Henry Draper Catalogue HD202012

SAO Catalogue SAO19229

Hipparcos Catalogue HIP104451

Durchmusterung Catalogue BD+67 1291

General Catalogue of Variable Stars T Cep

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In Evidence

Other stars in Cepheus