HR8220

Altitude: 33.3° Azimuth: 78.5° Direction: East-North-East

HR8220 is a hypergiant star in the constellation of Cygnus.

HR8220 visual magnitude is 5.8. Because of its reltive faintness, HR8220 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 HR8220:

Color of HR8220 ⬤

Magnitude of HR8220 5.8

Class Hypergiant

VISIBILITY RIGHT NOW

HR8220 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 33.3°
Azimuth: 78.5°
Direction: East-North-East

Celestial coordinates and finder chart of HR8220

HR8220 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 HR8220 are provided in the following table:

Right Ascension J2000 21h 28m 08s

Declination J2000 +32° 13’ 31”

Galactic Longitude 80.53°

Galactic Latitude -13.44°

Constellation Cygnus

The simplified sky map below shows the position of HR8220 in the sky:

Simplified finder chart for HR8220.

Visibility of HR8220 from your location

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

Today's HR8220 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.8° RISE 12:59

Max altitude: 70.7° TRANSIT 22:26

Azimuth: 302.2° SET 7:56

Digitized Sky Survey image of HR8220

The image below is a photograph of HR8220 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 HR8220 is 0.137 arcsec per year in Right Ascension and 0.083 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR8220. The red arrow shows the motion of HR8220 during the next 1000 years (2.28 arcmin in Right Ascension and 1.38 arcmin in declination);

Distance of HR8220 from the Sun and relative movement

HR8220 is distant 145.47 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

Distance (parsec) 44.62 pc

Distance (light year) 145.47 ly

Heliocentric radial velocity -24 km/s

Proper Motion RA 0.137 arcsec/year

Proper Motion Dec 0.083 arcsec/year

Spectral properties of HR8220

HR8220 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 2.55

Spectral Type F0V

Color Index (B-V) 0.32

Temperature of HR8220 7337K

The red dot in the diagram below shows where HR8220 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8220. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8220

Henry Draper Catalogue HD204485

SAO Catalogue SAO71371

Hipparcos Catalogue HIP106003

Durchmusterung Catalogue BD+31 4462

FK5 Catalogue 3716

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In Evidence

Other stars in Cygnus