HR8020

Above the horizon. Rise: 17:04 | Tran: 2:45 | Set: 12:30

Alt: 9.20° Az: 35.41° Direction: North-East

HR8020 is a supergiant star of spectral class B8 in the constellation of Cygnus.

HR8020 visual magnitude is 5.67. Because of its faintness, HR8020 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR8020. The red arrow shows the motion of HR8020 during the next 100000 years (-5.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 56m 41s

Declination +47° 30’ 59”

Hour Angle 15h 51m 31s

Sidereal Time 12h 48m 13s

J2000

Right Ascension 20h 55m 49s

Declination +47° 25’ 04”

Galactic Coordinates

Galactic Longitude 87.51°

Galactic Latitude 1.42°

Finder Chart

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Finder chart for HR8020.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.67

Class Supergiant

Absolute magnitude -6.61

Spectral Type B8I

Color Index (B-V) 0.47

Temperature 6528K

The red dot in the diagram below shows where HR8020 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8020. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8020 is distant 9,314.29 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 2,857.14

Distance (light year) 9,314.29

Radial Speed -15 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD199478

SAO Catalogue SAO50246

Hipparcos Catalogue HIP103312

Durchmusterung Catalogue BD+46 3111

Visibility from Your Location

Today's HR8020 rise, transit and set times from Hwaseong-si, South Korea are the following (all times relative to the local timezone Asia/Seoul):

Azimuth: 42.5° RISE 17:04

Max altitude: 79.7° TRANSIT 2:45

Azimuth: 317.5° SET 12:30

Name:	Hwaseong-si, South Korea
Latitude:	37° 12' 24.5" N
Longitude:	126° 49' 1.2" E
Timezone:	Asia/Seoul

Set Location

Other stars in Cygnus