HR8248

HR8248 is a variable supergiant star in the constellation of Cygnus.

HR8248 visual magnitude is 6.25. Because of its reltive faintness, HR8248 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 HR8248:

Color of HR8248 ⬤

Magnitude of HR8248 6.25

Class Supergiant

VISIBILITY RIGHT NOW

HR8248 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 72.2°
Azimuth: 261.8°
Direction: West

Celestial coordinates and finder chart of HR8248

HR8248 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 HR8248 are provided in the following table:

Right Ascension J2000 21h 33m 17s

Declination J2000 +45° 51’ 15”

Galactic Longitude 90.83°

Galactic Latitude -4.31°

Constellation Cygnus

The simplified sky map below shows the position of HR8248 in the sky:

Simplified finder chart for HR8248.

Visibility of HR8248 from your location

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

HR8248 is circumpolar and transits at 04:43 UTC (altitude: 84.4°)

Digitized Sky Survey image of HR8248

The image below is a photograph of HR8248 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 HR8248 is -0.001 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR8248. The red arrow shows the motion of HR8248 during the next 100000 years (-1.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR8248 from the Sun and relative movement

HR8248 is distant 1,502.30 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 460.83 pc

Distance (light year) 1,502.30 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA -0.001 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR8248

HR8248 belongs to spectral class K1 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -2.07

Spectral Type K1I

Color Index (B-V) 1.81

Temperature of HR8248 3380K

The red dot in the diagram below shows where HR8248 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8248. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8248

Henry Draper Catalogue HD205349

SAO Catalogue SAO51027

Hipparcos Catalogue HIP106420

Durchmusterung Catalogue BD+45 3584

General Catalogue of Variable Stars 13784

In Evidence

Other stars in Cygnus