HR8189

HR8189 is a multiple bright giant star in the constellation of Cygnus.

HR8189 visual magnitude is 6.58. Because of its reltive faintness, HR8189 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 HR8189:

Color of HR8189 ⬤

Magnitude of HR8189 6.58

Class Bright giant

VISIBILITY RIGHT NOW HR8189 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 2°.

Celestial coordinates and finder chart of HR8189

HR8189 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 HR8189 are provided in the following table:

Right Ascension J2000 21h 23m 22s

Declination J2000 +37° 24’ 24”

Galactic Longitude 83.58°

Galactic Latitude -9.1°

Constellation Cygnus

The simplified sky map below shows the position of HR8189 in the sky:

Simplified finder chart for HR8189.

Visibility of HR8189 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 HR8189 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: 52.6° RISE 18:49

Max altitude: 75.9° TRANSIT 5:45

Azimuth: 307.4° SET 16:37

RIGHT NOW HR8189 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8189

The image below is a photograph of HR8189 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 HR8189 is 0.046 arcsec per year in Right Ascension and 0.025 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8189. The red arrow shows the motion of HR8189 during the next 10000 years (7.67 arcmin in Right Ascension and 4.17 arcmin in declination);

Distance of HR8189 from the Sun and relative movement

HR8189 is distant 353.20 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

Distance (parsec) 108.34 pc

Distance (light year) 353.20 ly

Heliocentric radial velocity -27 km/s

Proper Motion RA 0.046 arcsec/year

Proper Motion Dec 0.025 arcsec/year

Spectral properties of HR8189

HR8189 belongs to spectral class F6 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude 1.41

Spectral Type F6II

Color Index (B-V)

Temperature of HR8189 10125K

The red dot in the diagram below shows where HR8189 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8189. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8189

Henry Draper Catalogue HD203784

SAO Catalogue SAO71276

Hipparcos Catalogue HIP105607

Durchmusterung Catalogue BD+36 4537

In Evidence

Other stars in Cygnus