HR7697

HR7697 is a double main-sequence star in the constellation of Cygnus.

HR7697 visual magnitude is 5.85. Because of its reltive faintness, HR7697 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 HR7697:

Color of HR7697 ⬤

Magnitude of HR7697 5.85

Class Main-sequence

VISIBILITY RIGHT NOW HR7697 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 59°.

Celestial coordinates and finder chart of HR7697

HR7697 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 HR7697 are provided in the following table:

Right Ascension J2000 20h 06m 13s

Declination J2000 +53° 09’ 56”

Galactic Longitude 87.56°

Galactic Latitude 11.18°

Constellation Cygnus

The simplified sky map below shows the position of HR7697 in the sky:

Simplified finder chart for HR7697.

Visibility of HR7697 from your location

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

HR7697 is circumpolar and transits at 03:36 UTC (altitude: 88.3°)

Digitized Sky Survey image of HR7697

The image below is a photograph of HR7697 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 HR7697 is 0.212 arcsec per year in Right Ascension and 0.255 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR7697. The red arrow shows the motion of HR7697 during the next 1000 years (3.53 arcmin in Right Ascension and 4.25 arcmin in declination);

Distance of HR7697 from the Sun and relative movement

HR7697 is distant 118.85 light years from the Sun and it is moving towards the Sun at the speed of 41 kilometers per second.

Distance (parsec) 36.46 pc

Distance (light year) 118.85 ly

Heliocentric radial velocity -41 km/s

Proper Motion RA 0.212 arcsec/year

Proper Motion Dec 0.255 arcsec/year

Spectral properties of HR7697

HR7697 belongs to spectral class F5 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 3.04

Spectral Type F5V

Color Index (B-V) 0.39

Temperature of HR7697 6934K

The red dot in the diagram below shows where HR7697 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7697. Attribution: Richard Powell / CC BY-SA

HR7697 star system properties

HR7697 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7697 double sysyem:

Main star magnitude 5.85

Secondary star magnitude 9.65

Magnitude difference 3.8

Separation 170.4 arcsec

Alternative designations of HR7697

Henry Draper Catalogue HD191195

SAO Catalogue SAO32286

Hipparcos Catalogue HIP99026

Durchmusterung Catalogue BD+52 2623

FK5 Catalogue 3613

In Evidence

Other stars in Cygnus