HR7018

Altitude: 45.1° Azimuth: 319.2° Direction: North-West

HR7018 is a hypergiant star in the constellation of Draco.

HR7018 visual magnitude is 5.74. Because of its reltive faintness, HR7018 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 HR7018:

Color of HR7018 ⬤

Magnitude of HR7018 5.74

Class Hypergiant

VISIBILITY RIGHT NOW

HR7018 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 45.1°
Azimuth: 319.2°
Direction: North-West

Celestial coordinates and finder chart of HR7018

HR7018 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 HR7018 are provided in the following table:

Right Ascension J2000 18h 37m 33s

Declination J2000 +62° 31’ 36”

Galactic Longitude 92.27°

Galactic Latitude 25.43°

Constellation Draco

The simplified sky map below shows the position of HR7018 in the sky:

Simplified finder chart for HR7018.

Visibility of HR7018 from your location

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

HR7018 is circumpolar and transits at 18:16 UTC (altitude: 79.0°)

Digitized Sky Survey image of HR7018

The image below is a photograph of HR7018 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 HR7018 is -0.005 arcsec per year in Right Ascension and 0.051 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7018. The red arrow shows the motion of HR7018 during the next 10000 years (-0.83 arcmin in Right Ascension and 8.50 arcmin in declination);

Distance of HR7018 from the Sun and relative movement

HR7018 is distant 425.59 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 130.55 pc

Distance (light year) 425.59 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA -0.005 arcsec/year

Proper Motion Dec 0.051 arcsec/year

Spectral properties of HR7018

HR7018 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 0.16

Spectral Type A0V

Color Index (B-V) -0.06

Temperature of HR7018 10941K

The red dot in the diagram below shows where HR7018 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7018. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7018

Henry Draper Catalogue HD172728

SAO Catalogue SAO17958

Hipparcos Catalogue HIP91315

Durchmusterung Catalogue BD+62 1637

FK5 Catalogue 3484

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In Evidence

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