HR865

HR865 is a multiple giant star in the constellation of Perseus.

HR865 visual magnitude is 6.02. Because of its reltive faintness, HR865 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 HR865:

Color of HR865 ⬤

Magnitude of HR865 6.02

Class Giant

VISIBILITY RIGHT NOW HR865 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 28°.

Celestial coordinates and finder chart of HR865

HR865 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 HR865 are provided in the following table:

Right Ascension J2000 02h 56m 33s

Declination J2000 +47° 09’ 50”

Galactic Longitude 143.97°

Galactic Latitude -10.53°

Constellation Perseus

The simplified sky map below shows the position of HR865 in the sky:

Simplified finder chart for HR865.

Visibility of HR865 from your location

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

HR865 is circumpolar and transits at 10:10 UTC (altitude: 85.7°)

Digitized Sky Survey image of HR865

The image below is a photograph of HR865 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 HR865 is 0.004 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR865. The red arrow shows the motion of HR865 during the next 100000 years (6.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR865 from the Sun and relative movement

HR865 is distant 1,952.10 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 598.80 pc

Distance (light year) 1,952.10 ly

Heliocentric radial velocity -13 km/s

Proper Motion RA 0.004 arcsec/year

Spectral properties of HR865

HR865 belongs to spectral class K3

Absolute magnitude -2.87

Spectral Type K3

Color Index (B-V) 1.34

Temperature of HR865 4051K

The red dot in the diagram below shows where HR865 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR865. Attribution: Richard Powell / CC BY-SA

HR865 star system properties

HR865 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR865 double sysyem:

Main star magnitude 6.02

Secondary star magnitude 11.52

Magnitude difference 5.5

Separation 24.9 arcsec

Alternative designations of HR865

Henry Draper Catalogue HD18155

SAO Catalogue SAO38455

Hipparcos Catalogue HIP13713

Durchmusterung Catalogue BD+46 658

In Evidence

Other stars in Perseus