HR8210

HR8210 is a variable star in the constellation of Pegasus.

HR8210 visual magnitude is 6.07. Because of its reltive faintness, HR8210 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 HR8210:

Color of HR8210 ⬤

Magnitude of HR8210 6.07

Class

VISIBILITY RIGHT NOW HR8210 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 3°.

Celestial coordinates and finder chart of HR8210

HR8210 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8210 are provided in the following table:

Right Ascension J2000 21h 26m 26s

Declination J2000 +19° 22’ 32”

Galactic Longitude 70.43°

Galactic Latitude -21.98°

Constellation Pegasus

The simplified sky map below shows the position of HR8210 in the sky:

Simplified finder chart for HR8210.

Visibility of HR8210 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 HR8210 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: 70.6° RISE 22:10

Max altitude: 57.9° TRANSIT 5:56

Azimuth: 289.4° SET 13:38

RIGHT NOW HR8210 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8210

The image below is a photograph of HR8210 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 HR8210 is 0.081 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8210. The red arrow shows the motion of HR8210 during the next 10000 years (13.50 arcmin in Right Ascension and 2.33 arcmin in declination);

Distance of HR8210 from the Sun and relative movement

HR8210 is distant 150.09 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 46.04 pc

Distance (light year) 150.09 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA 0.081 arcsec/year

Proper Motion Dec 0.014 arcsec/year

Spectral properties of HR8210

HR8210 belongs to spectral class A8

Absolute magnitude 2.75

Spectral Type A8

Color Index (B-V) 0.22

Temperature of HR8210 8011K

The red dot in the diagram below shows where HR8210 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8210. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8210

Henry Draper Catalogue HD204188

SAO Catalogue SAO107138

Hipparcos Catalogue HIP105860

Durchmusterung Catalogue BD+18 4794

General Catalogue of Variable Stars IK Peg

In Evidence

Other stars in Pegasus