HR8136

HR8136 is a sub-giant star in the constellation of Cygnus.

HR8136 visual magnitude is 6.46. Because of its reltive faintness, HR8136 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 HR8136:

Color of HR8136 ⬤

Magnitude of HR8136 6.46

Class Sub-giant

VISIBILITY RIGHT NOW HR8136 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 63°.

Celestial coordinates and finder chart of HR8136

HR8136 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 HR8136 are provided in the following table:

Right Ascension J2000 21h 15m 36s

Declination J2000 +47° 58’ 24”

Galactic Longitude 90.16°

Galactic Latitude -0.68°

Constellation Cygnus

The simplified sky map below shows the position of HR8136 in the sky:

Simplified finder chart for HR8136.

Visibility of HR8136 from your location

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

HR8136 is circumpolar and transits at 04:30 UTC (altitude: 86.5°)

Digitized Sky Survey image of HR8136

The image below is a photograph of HR8136 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 HR8136 is -0.042 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8136. The red arrow shows the motion of HR8136 during the next 10000 years (-7.00 arcmin in Right Ascension and -3.83 arcmin in declination);

Distance of HR8136 from the Sun and relative movement

HR8136 is distant 1,552.38 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 476.19 pc

Distance (light year) 1,552.38 ly

Heliocentric radial velocity -26 km/s

Proper Motion RA -0.042 arcsec/year

Proper Motion Dec -0.023 arcsec/year

Spectral properties of HR8136

HR8136 belongs to spectral class B4 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -1.93

Spectral Type B4IV

Color Index (B-V) -0.15

Temperature of HR8136 12489K

The red dot in the diagram below shows where HR8136 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8136. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8136

Henry Draper Catalogue HD202654

SAO Catalogue SAO50631

Hipparcos Catalogue HIP104962

Durchmusterung Catalogue BD+47 3348

In Evidence

Other stars in Cygnus