HR8748

Altitude: 53.9° Azimuth: 351.6° Direction: North

HR8748 is a giant star in the constellation of Cepheus.

HR8748 visual magnitude is 4.71. Because of its moderate brightness, HR8748 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR8748:

Color of HR8748 ⬤

Magnitude of HR8748 4.71

Class Giant

VISIBILITY RIGHT NOW

HR8748 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 53.9°
Azimuth: 351.6°
Direction: North

Celestial coordinates and finder chart of HR8748

HR8748 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8748 are provided in the following table:

Right Ascension J2000 22h 54m 24s

Declination J2000 +84° 20’ 45”

Galactic Longitude 119.95°

Galactic Latitude 22.17°

Constellation Cepheus

The simplified sky map below shows the position of HR8748 in the sky:

Simplified finder chart for HR8748.

Visibility of HR8748 from your location

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

HR8748 is circumpolar and transits at 17:37 UTC (altitude: 57.1°)

Digitized Sky Survey image of HR8748

The image below is a photograph of HR8748 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 HR8748 is 0.092 arcsec per year in Right Ascension and 0.026 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR8748. The red arrow shows the motion of HR8748 during the next 1000 years (1.53 arcmin in Right Ascension and 0.43 arcmin in declination);

Distance of HR8748 from the Sun and relative movement

HR8748 is distant 390.42 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 119.76 pc

Distance (light year) 390.42 ly

Heliocentric radial velocity 3 km/s

Proper Motion RA 0.092 arcsec/year

Proper Motion Dec 0.026 arcsec/year

Spectral properties of HR8748

HR8748 belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.68

Spectral Type K4III

Color Index (B-V) 1.43

Temperature of HR8748 3902K

The red dot in the diagram below shows where HR8748 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8748. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8748

Henry Draper Catalogue HD217382

SAO Catalogue SAO3816

Hipparcos Catalogue HIP113116

Durchmusterung Catalogue BD+83 640

FK5 Catalogue 1649

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In Evidence

Other stars in Cepheus