24 Cephei

Altitude: 68.6° Azimuth: 8.9° Direction: North

24 Cephei is a bright giant star in the constellation of Cepheus.

24 Cephei visual magnitude is 4.79. Because of its moderate brightness, 24 Cephei 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 24 Cephei:

Color of 24 Cephei ⬤

Magnitude of 24 Cephei 4.79

Class Bright giant

VISIBILITY RIGHT NOW

24 Cephei is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 68.6°
Azimuth: 8.9°
Direction: North

Celestial coordinates and finder chart of 24 Cephei

24 Cephei 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 24 Cephei are provided in the following table:

Right Ascension J2000 22h 09m 48s

Declination J2000 +72° 20’ 27”

Galactic Longitude 111.28°

Galactic Latitude 13.23°

Constellation Cepheus

The simplified sky map below shows the position of 24 Cephei in the sky:

Simplified finder chart for 24 Cephei.

Visibility of 24 Cephei from your location

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

24 Cephei is circumpolar and transits at 22:03 UTC (altitude: 69.1°)

Digitized Sky Survey image of 24 Cephei

The image below is a photograph of 24 Cephei 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 24 Cephei is 0.032 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 24 Cephei. The red arrow shows the motion of 24 Cephei during the next 10000 years (5.33 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of 24 Cephei from the Sun and relative movement

24 Cephei is distant 377.31 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 115.74 pc

Distance (light year) 377.31 ly

Heliocentric radial velocity -15 km/s

Proper Motion RA 0.032 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of 24 Cephei

24 Cephei belongs to spectral class G7 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -0.53

Spectral Type G7II

Color Index (B-V) 0.92

Temperature of 24 Cephei 4943K

The red dot in the diagram below shows where 24 Cephei is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 24 Cephei. Attribution: Richard Powell / CC BY-SA

Alternative designations of 24 Cephei

Flamsteed designation 24 Cephei

Henry Draper Catalogue HD210807

SAO Catalogue SAO10265

Hipparcos Catalogue HIP109400

Durchmusterung Catalogue BD+71 1111

FK5 Catalogue 837

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