HR8517

HR8517 is a variable giant star in the constellation of Pegasus.

HR8517 visual magnitude is 6.47. Because of its reltive faintness, HR8517 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 HR8517:

Color of HR8517 ⬤

Magnitude of HR8517 6.47

Class Giant

VISIBILITY RIGHT NOW HR8517 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 62°.

Celestial coordinates and finder chart of HR8517

HR8517 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 HR8517 are provided in the following table:

Right Ascension J2000 22h 21m 00s

Declination J2000 +26° 56’ 07”

Galactic Longitude 86.05°

Galactic Latitude -24.96°

Constellation Pegasus

The simplified sky map below shows the position of HR8517 in the sky:

Simplified finder chart for HR8517.

Visibility of HR8517 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 HR8517 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: 63.1° RISE 22:11

Max altitude: 65.5° TRANSIT 6:51

Azimuth: 296.9° SET 15:26

RIGHT NOW HR8517 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8517

The image below is a photograph of HR8517 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 HR8517 is 0.015 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8517. The red arrow shows the motion of HR8517 during the next 10000 years (2.50 arcmin in Right Ascension and -1.00 arcmin in declination);

Distance of HR8517 from the Sun and relative movement

HR8517 is distant 793.19 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 243.31 pc

Distance (light year) 793.19 ly

Heliocentric radial velocity -4 km/s

Proper Motion RA 0.015 arcsec/year

Proper Motion Dec -0.006 arcsec/year

Spectral properties of HR8517

HR8517 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.46

Spectral Type M4III

Color Index (B-V) 1.59

Temperature of HR8517 3663K

The red dot in the diagram below shows where HR8517 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8517. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8517

Henry Draper Catalogue HD212047

SAO Catalogue SAO90437

Hipparcos Catalogue HIP110346

Durchmusterung Catalogue BD+26 4410

General Catalogue of Variable Stars 14127

In Evidence

Other stars in Pegasus