HR7518

Altitude: -9.1° Azimuth: 355.5° Direction: North

HR7518 is a variable supergiant star in the constellation of Cygnus.

HR7518 visual magnitude is 6.82. Because of its reltive faintness, HR7518 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 HR7518:

Color of HR7518 ⬤

Magnitude of HR7518 6.82

Class Supergiant

VISIBILITY RIGHT NOW

HR7518 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -9.1°
Azimuth: 355.5°
Direction: North

Celestial coordinates and finder chart of HR7518

HR7518 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 HR7518 are provided in the following table:

Right Ascension J2000 19h 44m 48s

Declination J2000 +29° 15’ 52”

Galactic Longitude 64.76°

Galactic Latitude 2.51°

Constellation Cygnus

The simplified sky map below shows the position of HR7518 in the sky:

Simplified finder chart for HR7518.

Visibility of HR7518 from your location

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

Today's HR7518 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.7° RISE 6:15

Max altitude: 67.8° TRANSIT 15:11

Azimuth: 299.3° SET 0:11

Digitized Sky Survey image of HR7518

The image below is a photograph of HR7518 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 HR7518 is 0.001 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR7518. The red arrow shows the motion of HR7518 during the next 100000 years (1.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR7518 from the Sun and relative movement

HR7518 is distant 6,392.16 light years from the Sun and it is moving towards the Sun at the speed of 36 kilometers per second.

Distance (parsec) 1,960.78 pc

Distance (light year) 6,392.16 ly

Heliocentric radial velocity -36 km/s

Proper Motion RA 0.001 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR7518

HR7518 belongs to spectral class F2 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -4.64

Spectral Type F2I

Color Index (B-V) 0.64

Temperature of HR7518 5815K

The red dot in the diagram below shows where HR7518 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7518. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7518

Henry Draper Catalogue HD186688

SAO Catalogue SAO87659

Hipparcos Catalogue HIP97150

Durchmusterung Catalogue BD+28 3460

General Catalogue of Variable Stars SU Cyg

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