HR8153

HR8153 is a variable and multiple giant star in the constellation of Cepheus.

HR8153 visual magnitude is 6.42. Because of its reltive faintness, HR8153 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 HR8153:

Color of HR8153 ⬤

Magnitude of HR8153 6.42

Class Giant

VISIBILITY RIGHT NOW HR8153 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 46°.

Celestial coordinates and finder chart of HR8153

HR8153 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 HR8153 are provided in the following table:

Right Ascension J2000 21h 17m 18s

Declination J2000 +58° 36’ 42”

Galactic Longitude 98°

Galactic Latitude 6.53°

Constellation Cepheus

The simplified sky map below shows the position of HR8153 in the sky:

Simplified finder chart for HR8153.

Visibility of HR8153 from your location

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

HR8153 is circumpolar and transits at 08:59 UTC (altitude: 82.9°)

Digitized Sky Survey image of HR8153

The image below is a photograph of HR8153 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 HR8153 is 0.001 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR8153. The red arrow shows the motion of HR8153 during the next 100000 years (1.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR8153 from the Sun and relative movement

HR8153 is distant 2,527.13 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 775.19 pc

Distance (light year) 2,527.13 ly

Heliocentric radial velocity -17 km/s

Proper Motion RA 0.001 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR8153

HR8153 belongs to spectral class B2 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -3.03

Spectral Type B2III

Color Index (B-V) 0.2

Temperature of HR8153 8163K

The red dot in the diagram below shows where HR8153 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8153. Attribution: Richard Powell / CC BY-SA

HR8153 star system properties

HR8153 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8153 double sysyem:

Main star magnitude 6.42

Secondary star magnitude 12.02

Magnitude difference 5.6

Separation 4.1 arcsec

Alternative designations of HR8153

Henry Draper Catalogue HD203025

SAO Catalogue SAO33288

Hipparcos Catalogue HIP105091

Durchmusterung Catalogue BD+57 2309

General Catalogue of Variable Stars 13646

Aitken Double Star Catalogue ADS14832

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Other stars in Cepheus