HR7522

HR7522 is a hypergiant star in the constellation of Cygnus.

HR7522 visual magnitude is 6.22. Because of its reltive faintness, HR7522 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 HR7522:

Color of HR7522 ⬤

Magnitude of HR7522 6.22

Class Hypergiant

VISIBILITY RIGHT NOW HR7522 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 60°.

Celestial coordinates and finder chart of HR7522

HR7522 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 HR7522 are provided in the following table:

Right Ascension J2000 19h 43m 14s

Declination J2000 +58° 00’ 59”

Galactic Longitude 90.39°

Galactic Latitude 16.33°

Constellation Cygnus

The simplified sky map below shows the position of HR7522 in the sky:

Simplified finder chart for HR7522.

Visibility of HR7522 from your location

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

HR7522 is circumpolar and transits at 07:17 UTC (altitude: 83.5°)

Digitized Sky Survey image of HR7522

The image below is a photograph of HR7522 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 HR7522 is 0.137 arcsec per year in Right Ascension and -0.06 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR7522. The red arrow shows the motion of HR7522 during the next 1000 years (2.28 arcmin in Right Ascension and -1.00 arcmin in declination);

Distance of HR7522 from the Sun and relative movement

HR7522 is distant 146.65 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 44.98 pc

Distance (light year) 146.65 ly

Heliocentric radial velocity -22 km/s

Proper Motion RA 0.137 arcsec/year

Proper Motion Dec -0.06 arcsec/year

Spectral properties of HR7522

HR7522 belongs to spectral class G0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 2.95

Spectral Type G0V

Color Index (B-V) 0.56

Temperature of HR7522 6129K

The red dot in the diagram below shows where HR7522 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7522. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7522

Henry Draper Catalogue HD186760

SAO Catalogue SAO31923

Hipparcos Catalogue HIP97033

Durchmusterung Catalogue BD+57 2057

Gliese Catalogue Gl 765.3

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Other stars in Cygnus