HR8546

Altitude: 47.8° Azimuth: 1.9° Direction: North

HR8546 is a main-sequence star in the constellation of Cepheus.

HR8546 visual magnitude is 5.27. Because of its reltive faintness, HR8546 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 HR8546:

Color of HR8546 ⬤

Magnitude of HR8546 5.27

Class Main-sequence

VISIBILITY RIGHT NOW

HR8546 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 47.8°
Azimuth: 1.9°
Direction: North

Celestial coordinates and finder chart of HR8546

HR8546 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 HR8546 are provided in the following table:

Right Ascension J2000 22h 13m 10s

Declination J2000 +86° 06’ 29”

Galactic Longitude 120.22°

Galactic Latitude 24.1°

Constellation Cepheus

The simplified sky map below shows the position of HR8546 in the sky:

Simplified finder chart for HR8546.

Visibility of HR8546 from your location

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

HR8546 is circumpolar and transits at 17:31 UTC (altitude: 55.4°)

Digitized Sky Survey image of HR8546

The image below is a photograph of HR8546 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 HR8546 is 0.052 arcsec per year in Right Ascension and 0.045 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8546. The red arrow shows the motion of HR8546 during the next 10000 years (8.67 arcmin in Right Ascension and 7.50 arcmin in declination);

Distance of HR8546 from the Sun and relative movement

HR8546 is distant 255.69 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 78.43 pc

Distance (light year) 255.69 ly

Heliocentric radial velocity 4 km/s

Proper Motion RA 0.052 arcsec/year

Proper Motion Dec 0.045 arcsec/year

Spectral properties of HR8546

HR8546 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.80

Spectral Type B9V

Color Index (B-V) -0.03

Temperature of HR8546 10516K

The red dot in the diagram below shows where HR8546 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8546. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8546

Henry Draper Catalogue HD212710

SAO Catalogue SAO3721

Hipparcos Catalogue HIP109693

Durchmusterung Catalogue BD+85 383

FK5 Catalogue 1648

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In Evidence

Other stars in Cepheus