HR8902

HR8902 is a giant star in the constellation of Andromeda.

HR8902 visual magnitude is 6.72. Because of its reltive faintness, HR8902 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 HR8902:

Color of HR8902 ⬤

Magnitude of HR8902 6.72

Class Giant

VISIBILITY RIGHT NOW HR8902 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 3°.

Celestial coordinates and finder chart of HR8902

HR8902 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 HR8902 are provided in the following table:

Right Ascension J2000 23h 24m 34s

Declination J2000 +41° 06’ 46”

Galactic Longitude 105.8°

Galactic Latitude -18.85°

Constellation Andromeda

The simplified sky map below shows the position of HR8902 in the sky:

Simplified finder chart for HR8902.

Visibility of HR8902 from your location

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

HR8902 is circumpolar and transits at 11:13 UTC (altitude: 79.6°)

Digitized Sky Survey image of HR8902

The image below is a photograph of HR8902 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 HR8902 is 0.015 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8902. The red arrow shows the motion of HR8902 during the next 10000 years (2.50 arcmin in Right Ascension and -1.50 arcmin in declination);

Distance of HR8902 from the Sun and relative movement

HR8902 is distant 2,546.88 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 781.25 pc

Distance (light year) 2,546.88 ly

Heliocentric radial velocity -3 km/s

Proper Motion RA 0.015 arcsec/year

Proper Motion Dec -0.009 arcsec/year

Spectral properties of HR8902

HR8902 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -2.74

Spectral Type B8III

Color Index (B-V) 0.06

Temperature of HR8902 9434K

The red dot in the diagram below shows where HR8902 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8902. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8902

Henry Draper Catalogue HD220575

SAO Catalogue SAO52987

Hipparcos Catalogue HIP115567

Durchmusterung Catalogue BD+40 5068

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In Evidence

Other stars in Andromeda