HR7687

HR7687 is a giant star in the constellation of Cygnus.

HR7687 visual magnitude is 6.14. Because of its reltive faintness, HR7687 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 HR7687:

Color of HR7687 ⬤

Magnitude of HR7687 6.14

Class Giant

VISIBILITY RIGHT NOW HR7687 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 40°.

Celestial coordinates and finder chart of HR7687

HR7687 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 HR7687 are provided in the following table:

Right Ascension J2000 20h 05m 06s

Declination J2000 +51° 50’ 21”

Galactic Longitude 86.31°

Galactic Latitude 10.65°

Constellation Cygnus

The simplified sky map below shows the position of HR7687 in the sky:

Simplified finder chart for HR7687.

Visibility of HR7687 from your location

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

HR7687 is circumpolar and transits at 03:23 UTC (altitude: 89.6°)

Digitized Sky Survey image of HR7687

The image below is a photograph of HR7687 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 HR7687 is 0.029 arcsec per year in Right Ascension and 0.034 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7687. The red arrow shows the motion of HR7687 during the next 10000 years (4.83 arcmin in Right Ascension and 5.67 arcmin in declination);

Distance of HR7687 from the Sun and relative movement

HR7687 is distant 740.91 light years from the Sun and it is moving towards the Sun at the speed of 56 kilometers per second.

Distance (parsec) 227.27 pc

Distance (light year) 740.91 ly

Heliocentric radial velocity -56 km/s

Proper Motion RA 0.029 arcsec/year

Proper Motion Dec 0.034 arcsec/year

Spectral properties of HR7687

HR7687 belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.64

Spectral Type M1III

Color Index (B-V) 1.6

Temperature of HR7687 3649K

The red dot in the diagram below shows where HR7687 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7687. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7687

Henry Draper Catalogue HD190964

SAO Catalogue SAO32272

Hipparcos Catalogue HIP98915

Durchmusterung Catalogue BD+51 2763

In Evidence

Other stars in Cygnus