HR8442

HR8442 is a giant star in the constellation of Cepheus.

HR8442 visual magnitude is 6.32. Because of its reltive faintness, HR8442 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 HR8442:

Color of HR8442 ⬤

Magnitude of HR8442 6.32

Class Giant

VISIBILITY RIGHT NOW HR8442 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 40°.

Celestial coordinates and finder chart of HR8442

HR8442 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 HR8442 are provided in the following table:

Right Ascension J2000 22h 07m 09s

Declination J2000 +58° 50’ 26”

Galactic Longitude 103.04°

Galactic Latitude 2.47°

Constellation Cepheus

The simplified sky map below shows the position of HR8442 in the sky:

Simplified finder chart for HR8442.

Visibility of HR8442 from your location

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

HR8442 is circumpolar and transits at 10:16 UTC (altitude: 82.6°)

Digitized Sky Survey image of HR8442

The image below is a photograph of HR8442 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 HR8442 is -0.013 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8442. The red arrow shows the motion of HR8442 during the next 10000 years (-2.17 arcmin in Right Ascension and -3.67 arcmin in declination);

Distance of HR8442 from the Sun and relative movement

HR8442 is distant 560.14 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 171.82 pc

Distance (light year) 560.14 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA -0.013 arcsec/year

Proper Motion Dec -0.022 arcsec/year

Spectral properties of HR8442

HR8442 belongs to spectral class G6 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.14

Spectral Type G6III

Color Index (B-V) 0.88

Temperature of HR8442 5051K

The red dot in the diagram below shows where HR8442 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8442. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8442

Henry Draper Catalogue HD210220

SAO Catalogue SAO34072

Hipparcos Catalogue HIP109190

Durchmusterung Catalogue BD+58 2393

FK5 Catalogue 3770

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In Evidence

Other stars in Cepheus