HR1056

Altitude: 86.8° Azimuth: 225.9° Direction: South-West

HR1056 is a variable hypergiant star in the constellation of Perseus.

HR1056 visual magnitude is 6.29. Because of its reltive faintness, HR1056 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 HR1056:

Color of HR1056 ⬤

Magnitude of HR1056 6.29

Class Hypergiant

VISIBILITY RIGHT NOW

HR1056 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 86.8°
Azimuth: 225.9°
Direction: South-West

Celestial coordinates and finder chart of HR1056

HR1056 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 HR1056 are provided in the following table:

Right Ascension J2000 03h 31m 29s

Declination J2000 +49° 12’ 34”

Galactic Longitude 147.9°

Galactic Latitude -5.74°

Constellation Perseus

The simplified sky map below shows the position of HR1056 in the sky:

Simplified finder chart for HR1056.

Visibility of HR1056 from your location

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

HR1056 is circumpolar and transits at 22:33 UTC (altitude: 87.7°)

Digitized Sky Survey image of HR1056

The image below is a photograph of HR1056 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 HR1056 is -0.005 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR1056. The red arrow shows the motion of HR1056 during the next 100000 years (-8.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of HR1056 from the Sun and relative movement

HR1056 is distant 467.72 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 143.47 pc

Distance (light year) 467.72 ly

Heliocentric radial velocity -23 km/s

Proper Motion RA -0.005 arcsec/year

Proper Motion Dec 0.001 arcsec/year

Spectral properties of HR1056

HR1056 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 0.51

Spectral Type A0V

Color Index (B-V) 0.09

Temperature of HR1056 9125K

The red dot in the diagram below shows where HR1056 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1056. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1056

Henry Draper Catalogue HD21620

SAO Catalogue SAO38906

Hipparcos Catalogue HIP16424

Durchmusterung Catalogue BD+48 938

General Catalogue of Variable Stars 1173

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