HR8179

HR8179 is a giant star in the constellation of Cepheus.

HR8179 visual magnitude is 6.11. Because of its reltive faintness, HR8179 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 HR8179:

Color of HR8179 ⬤

Magnitude of HR8179 6.11

Class Giant

VISIBILITY RIGHT NOW HR8179 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 49°.

Celestial coordinates and finder chart of HR8179

HR8179 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 HR8179 are provided in the following table:

Right Ascension J2000 21h 20m 33s

Declination J2000 +60° 45’ 24”

Galactic Longitude 99.84°

Galactic Latitude 7.73°

Constellation Cepheus

The simplified sky map below shows the position of HR8179 in the sky:

Simplified finder chart for HR8179.

Visibility of HR8179 from your location

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

HR8179 is circumpolar and transits at 08:42 UTC (altitude: 80.7°)

Digitized Sky Survey image of HR8179

The image below is a photograph of HR8179 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 HR8179 is -0.04 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8179. The red arrow shows the motion of HR8179 during the next 10000 years (-6.67 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of HR8179 from the Sun and relative movement

HR8179 is distant 428.95 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

Distance (parsec) 131.58 pc

Distance (light year) 428.95 ly

Heliocentric radial velocity -27 km/s

Proper Motion RA -0.04 arcsec/year

Proper Motion Dec -0.001 arcsec/year

Spectral properties of HR8179

HR8179 belongs to spectral class G5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.51

Spectral Type G5III

Color Index (B-V) 1

Temperature of HR8179 4743K

The red dot in the diagram below shows where HR8179 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8179. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8179

Henry Draper Catalogue HD203574

SAO Catalogue SAO19333

Hipparcos Catalogue HIP105370

Durchmusterung Catalogue BD+60 2227

How to support us

In Evidence

Other stars in Cepheus