HR8071

Altitude: 8.9° Azimuth: 331.9° Direction: North-North-West

HR8071 is a multiple sub-giant star in the constellation of Cygnus.

HR8071 visual magnitude is 6.33. Because of its reltive faintness, HR8071 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 HR8071:

Color of HR8071 ⬤

Magnitude of HR8071 6.33

Class Sub-giant

VISIBILITY RIGHT NOW

HR8071 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 8.9°
Azimuth: 331.9°
Direction: North-North-West

Celestial coordinates and finder chart of HR8071

HR8071 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 HR8071 are provided in the following table:

Right Ascension J2000 21h 03m 52s

Declination J2000 +41° 37’ 41”

Galactic Longitude 84.08°

Galactic Latitude -3.47°

Constellation Cygnus

The simplified sky map below shows the position of HR8071 in the sky:

Simplified finder chart for HR8071.

Visibility of HR8071 from your location

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

HR8071 is circumpolar and transits at 04:14 UTC (altitude: 80.1°)

Digitized Sky Survey image of HR8071

The image below is a photograph of HR8071 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 HR8071 is 0.001 arcsec per year in Right Ascension and -0.054 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8071. The red arrow shows the motion of HR8071 during the next 10000 years (0.17 arcmin in Right Ascension and -9.00 arcmin in declination);

Distance of HR8071 from the Sun and relative movement

HR8071 is distant 330.29 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 101.32 pc

Distance (light year) 330.29 ly

Heliocentric radial velocity -8 km/s

Proper Motion RA 0.001 arcsec/year

Proper Motion Dec -0.054 arcsec/year

Spectral properties of HR8071

HR8071 belongs to spectral class F3 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 1.30

Spectral Type F3IV

Color Index (B-V) 0.38

Temperature of HR8071 6989K

The red dot in the diagram below shows where HR8071 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8071. Attribution: Richard Powell / CC BY-SA

HR8071 star system properties

HR8071 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR8071 double sysyem:

Main star magnitude 6.33

Secondary star magnitude 8.63

Magnitude difference 2.3

Separation 57.3 arcsec

Alternative designations of HR8071

Henry Draper Catalogue HD200723

SAO Catalogue SAO50409

Hipparcos Catalogue HIP103963

Durchmusterung Catalogue BD+41 3987

In Evidence

Other stars in Cygnus