HR8120

Altitude: 45.1° Azimuth: 275.5° Direction: West

HR8120 is a hypergiant star in the constellation of Cygnus.

HR8120 visual magnitude is 6.05. Because of its reltive faintness, HR8120 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 HR8120:

Color of HR8120 ⬤

Magnitude of HR8120 6.05

Class Hypergiant

VISIBILITY RIGHT NOW

HR8120 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 45.1°
Azimuth: 275.5°
Direction: West

Celestial coordinates and finder chart of HR8120

HR8120 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 HR8120 are provided in the following table:

Right Ascension J2000 21h 13m 26s

Declination J2000 +36° 38’ 00”

Galactic Longitude 81.63°

Galactic Latitude -8.2°

Constellation Cygnus

The simplified sky map below shows the position of HR8120 in the sky:

Simplified finder chart for HR8120.

Visibility of HR8120 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 HR8120 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: 53.4° RISE 6:03

Max altitude: 75.2° TRANSIT 16:36

Azimuth: 306.6° SET 3:13

Digitized Sky Survey image of HR8120

The image below is a photograph of HR8120 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 HR8120 is -0.018 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8120. The red arrow shows the motion of HR8120 during the next 10000 years (-3.00 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of HR8120 from the Sun and relative movement

HR8120 is distant 1,781.42 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 546.45 pc

Distance (light year) 1,781.42 ly

Heliocentric radial velocity -13 km/s

Proper Motion RA -0.018 arcsec/year

Proper Motion Dec 0.006 arcsec/year

Spectral properties of HR8120

HR8120 belongs to spectral class F0 and has a luminosity class of III corresponding to a hypergiant star.

Absolute magnitude -2.64

Spectral Type F0III

Color Index (B-V) 0.21

Temperature of HR8120 8086K

The red dot in the diagram below shows where HR8120 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8120. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8120

Henry Draper Catalogue HD202240

SAO Catalogue SAO71086

Hipparcos Catalogue HIP104765

Durchmusterung Catalogue BD+36 4470

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In Evidence

Other stars in Cygnus