HR8938

HR8938 is a sub-giant star in the constellation of Cepheus.

HR8938 visual magnitude is 5.58. Because of its reltive faintness, HR8938 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 HR8938:

Color of HR8938 ⬤

Magnitude of HR8938 5.58

Class Sub-giant

VISIBILITY RIGHT NOW HR8938 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 53°.

Celestial coordinates and finder chart of HR8938

HR8938 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 HR8938 are provided in the following table:

Right Ascension J2000 23h 27m 00s

Declination J2000 +87° 18’ 27”

Galactic Longitude 121.86°

Galactic Latitude 24.61°

Constellation Cepheus

The simplified sky map below shows the position of HR8938 in the sky:

Simplified finder chart for HR8938.

Visibility of HR8938 from your location

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

HR8938 is circumpolar and transits at 10:48 UTC (altitude: 54.2°)

Digitized Sky Survey image of HR8938

The image below is a photograph of HR8938 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 HR8938 is 0.075 arcsec per year in Right Ascension and 0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8938. The red arrow shows the motion of HR8938 during the next 10000 years (12.50 arcmin in Right Ascension and 3.00 arcmin in declination);

Distance of HR8938 from the Sun and relative movement

HR8938 is distant 306.68 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 94.07 pc

Distance (light year) 306.68 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA 0.075 arcsec/year

Proper Motion Dec 0.018 arcsec/year

Spectral properties of HR8938

HR8938 belongs to spectral class A7 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 0.71

Spectral Type A7IV

Color Index (B-V) 0.23

Temperature of HR8938 7938K

The red dot in the diagram below shows where HR8938 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8938. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8938

Henry Draper Catalogue HD221525

SAO Catalogue SAO3916

Hipparcos Catalogue HIP115746

Durchmusterung Catalogue BD+86 344

FK5 Catalogue 3967

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Other stars in Cepheus