HR9056

HR9056 is a variable main-sequence star in the constellation of Cepheus.

HR9056 visual magnitude is 6.59. Because of its reltive faintness, HR9056 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 HR9056:

Color of HR9056 ⬤

Magnitude of HR9056 6.59

Class Main-sequence

VISIBILITY RIGHT NOW HR9056 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 46°.

Celestial coordinates and finder chart of HR9056

HR9056 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 HR9056 are provided in the following table:

Right Ascension J2000 23h 56m 27s

Declination J2000 +83° 11’ 27”

Galactic Longitude 121.21°

Galactic Latitude 20.5°

Constellation Cepheus

The simplified sky map below shows the position of HR9056 in the sky:

Simplified finder chart for HR9056.

Visibility of HR9056 from your location

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

HR9056 is circumpolar and transits at 11:41 UTC (altitude: 58.3°)

Digitized Sky Survey image of HR9056

The image below is a photograph of HR9056 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 HR9056 is 0.047 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR9056. The red arrow shows the motion of HR9056 during the next 10000 years (7.83 arcmin in Right Ascension and 1.17 arcmin in declination);

Distance of HR9056 from the Sun and relative movement

HR9056 is distant 300.74 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 92.25 pc

Distance (light year) 300.74 ly

Heliocentric radial velocity -13 km/s

Proper Motion RA 0.047 arcsec/year

Proper Motion Dec 0.007 arcsec/year

Spectral properties of HR9056

HR9056 belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 1.77

Spectral Type A3V

Color Index (B-V) 0.05

Temperature of HR9056 9542K

The red dot in the diagram below shows where HR9056 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR9056. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR9056

Henry Draper Catalogue HD224309

SAO Catalogue SAO3994

Hipparcos Catalogue HIP118027

Durchmusterung Catalogue BD+82 743

FK5 Catalogue 1650

General Catalogue of Variable Stars V Cep

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Other stars in Cepheus