HR8550

HR8550 is a star in the constellation of Cepheus.

HR8550 visual magnitude is 6.76. Because of its reltive faintness, HR8550 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 HR8550:

Color of HR8550 ⬤

Magnitude of HR8550 6.76

Class

VISIBILITY RIGHT NOW HR8550 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 63°.

Celestial coordinates and finder chart of HR8550

HR8550 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8550 are provided in the following table:

Right Ascension J2000 22h 23m 41s

Declination J2000 +78° 14’ 35”

Galactic Longitude 115.55°

Galactic Latitude 17.55°

Constellation Cepheus

The simplified sky map below shows the position of HR8550 in the sky:

Simplified finder chart for HR8550.

Visibility of HR8550 from your location

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

HR8550 is circumpolar and transits at 10:05 UTC (altitude: 63.2°)

Digitized Sky Survey image of HR8550

The image below is a photograph of HR8550 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 HR8550 is -0.008 arcsec per year in Right Ascension and 0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8550. The red arrow shows the motion of HR8550 during the next 10000 years (-1.33 arcmin in Right Ascension and 3.00 arcmin in declination);

Distance of HR8550 from the Sun and relative movement

HR8550 is distant 1,283.46 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 393.70 pc

Distance (light year) 1,283.46 ly

Heliocentric radial velocity -18 km/s

Proper Motion RA -0.008 arcsec/year

Proper Motion Dec 0.018 arcsec/year

Spectral properties of HR8550

HR8550 belongs to spectral class B9

Absolute magnitude -1.22

Spectral Type B9

Color Index (B-V) -0.06

Temperature of HR8550 10941K

The red dot in the diagram below shows where HR8550 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8550. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8550

Henry Draper Catalogue HD212937

SAO Catalogue SAO10351

Hipparcos Catalogue HIP110550

Durchmusterung Catalogue BD+77 860

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In Evidence

Other stars in Cepheus