HR618

Altitude: 47.4° Azimuth: 49.1° Direction: North-East

HR618 is a variable supergiant star in the constellation of Perseus.

HR618 visual magnitude is 5.67. Because of its reltive faintness, HR618 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 HR618:

Color of HR618 ⬤

Magnitude of HR618 5.67

Class Supergiant

VISIBILITY RIGHT NOW

HR618 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 47.4°
Azimuth: 49.1°
Direction: North-East

Celestial coordinates and finder chart of HR618

HR618 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 HR618 are provided in the following table:

Right Ascension J2000 02h 08m 40s

Declination J2000 +58° 25’ 24”

Galactic Longitude 132.92°

Galactic Latitude -2.94°

Constellation Perseus

The simplified sky map below shows the position of HR618 in the sky:

Simplified finder chart for HR618.

Visibility of HR618 from your location

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

HR618 is circumpolar and transits at 21:14 UTC (altitude: 83.1°)

Digitized Sky Survey image of HR618

The image below is a photograph of HR618 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 HR618 is -0.011 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 HR618. The red arrow shows the motion of HR618 during the next 10000 years (-1.83 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of HR618 from the Sun and relative movement

HR618 is distant 1,821.23 light years from the Sun and it is moving towards the Sun at the speed of 36 kilometers per second.

Distance (parsec) 558.66 pc

Distance (light year) 1,821.23 ly

Heliocentric radial velocity -36 km/s

Proper Motion RA -0.011 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR618

HR618 belongs to spectral class A1 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -3.07

Spectral Type A1I

Color Index (B-V) 0.61

Temperature of HR618 5929K

The red dot in the diagram below shows where HR618 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR618. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR618

Henry Draper Catalogue HD12953

SAO Catalogue SAO22959

Hipparcos Catalogue HIP9990

Durchmusterung Catalogue BD+57 494

General Catalogue of Variable Stars V472 Per

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