HR8208

HR8208 is a hypergiant star in the constellation of Cygnus.

HR8208 visual magnitude is 5.6. Because of its reltive faintness, HR8208 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 HR8208:

Color of HR8208 ⬤

Magnitude of HR8208 5.6

Class Hypergiant

VISIBILITY RIGHT NOW HR8208 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 48°.

Celestial coordinates and finder chart of HR8208

HR8208 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 HR8208 are provided in the following table:

Right Ascension J2000 21h 25m 19s

Declination J2000 +46° 42’ 51”

Galactic Longitude 90.42°

Galactic Latitude -2.73°

Constellation Cygnus

The simplified sky map below shows the position of HR8208 in the sky:

Simplified finder chart for HR8208.

Visibility of HR8208 from your location

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

HR8208 is circumpolar and transits at 08:59 UTC (altitude: 85.2°)

Digitized Sky Survey image of HR8208

The image below is a photograph of HR8208 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 HR8208 is 0.195 arcsec per year in Right Ascension and 0.048 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR8208. The red arrow shows the motion of HR8208 during the next 1000 years (3.25 arcmin in Right Ascension and 0.80 arcmin in declination);

Distance of HR8208 from the Sun and relative movement

HR8208 is distant 111.87 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 34.32 pc

Distance (light year) 111.87 ly

Heliocentric radial velocity 1 km/s

Proper Motion RA 0.195 arcsec/year

Proper Motion Dec 0.048 arcsec/year

Spectral properties of HR8208

HR8208 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 2.92

Spectral Type F0V

Color Index (B-V) 0.32

Temperature of HR8208 7337K

The red dot in the diagram below shows where HR8208 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8208. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8208

Henry Draper Catalogue HD204153

SAO Catalogue SAO50824

Hipparcos Catalogue HIP105769

Durchmusterung Catalogue BD+46 3305

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In Evidence

Other stars in Cygnus