HR8473

HR8473 is a star in the constellation of Cepheus.

HR8473 visual magnitude is 6.37. Because of its reltive faintness, HR8473 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 HR8473:

Color of HR8473 ⬤

Magnitude of HR8473 6.37

Class

VISIBILITY RIGHT NOW HR8473 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 55°.

Celestial coordinates and finder chart of HR8473

HR8473 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 HR8473 are provided in the following table:

Right Ascension J2000 22h 10m 15s

Declination J2000 +72° 06’ 39”

Galactic Longitude 111.17°

Galactic Latitude 13.03°

Constellation Cepheus

The simplified sky map below shows the position of HR8473 in the sky:

Simplified finder chart for HR8473.

Visibility of HR8473 from your location

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

HR8473 is circumpolar and transits at 09:32 UTC (altitude: 69.4°)

Digitized Sky Survey image of HR8473

The image below is a photograph of HR8473 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 HR8473 is -0.009 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8473. The red arrow shows the motion of HR8473 during the next 10000 years (-1.50 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of HR8473 from the Sun and relative movement

HR8473 is distant 510.97 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 156.74 pc

Distance (light year) 510.97 ly

Heliocentric radial velocity -3 km/s

Proper Motion RA -0.009 arcsec/year

Proper Motion Dec -0.028 arcsec/year

Spectral properties of HR8473

HR8473 belongs to spectral class B9 HR8473 is also a HgMn chemically peculiar star.

Absolute magnitude 0.39

Spectral Type B9

Color Index (B-V) -0.06

Temperature of HR8473 10941K

The red dot in the diagram below shows where HR8473 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8473. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8473

Henry Draper Catalogue HD210873

SAO Catalogue SAO10267

Hipparcos Catalogue HIP109434

Durchmusterung Catalogue BD+71 1112

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In Evidence

Other stars in Cepheus