HR8490

HR8490 is a main-sequence star in the constellation of Cepheus.

HR8490 visual magnitude is 6.11. Because of its reltive faintness, HR8490 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 HR8490:

Color of HR8490 ⬤

Magnitude of HR8490 6.11

Class Main-sequence

VISIBILITY RIGHT NOW HR8490 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 53°.

Celestial coordinates and finder chart of HR8490

HR8490 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 HR8490 are provided in the following table:

Right Ascension J2000 22h 13m 49s

Declination J2000 +63° 09’ 45”

Galactic Longitude 106.2°

Galactic Latitude 5.53°

Constellation Cepheus

The simplified sky map below shows the position of HR8490 in the sky:

Simplified finder chart for HR8490.

Visibility of HR8490 from your location

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

HR8490 is circumpolar and transits at 10:23 UTC (altitude: 78.3°)

Digitized Sky Survey image of HR8490

The image below is a photograph of HR8490 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 HR8490 is -0.02 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8490. The red arrow shows the motion of HR8490 during the next 10000 years (-3.33 arcmin in Right Ascension and -0.50 arcmin in declination);

Distance of HR8490 from the Sun and relative movement

HR8490 is distant 967.36 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 296.74 pc

Distance (light year) 967.36 ly

Heliocentric radial velocity 12 km/s

Proper Motion RA -0.02 arcsec/year

Proper Motion Dec -0.003 arcsec/year

Spectral properties of HR8490

HR8490 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -1.25

Spectral Type B8V

Color Index (B-V) -0.08

Temperature of HR8490 11247K

The red dot in the diagram below shows where HR8490 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8490. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8490

Henry Draper Catalogue HD211242

SAO Catalogue SAO19948

Hipparcos Catalogue HIP109746

Durchmusterung Catalogue BD+62 2053

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In Evidence

Other stars in Cepheus