23 Pegasi

Below the horizon. Rise: 21:20 | Tran: 6:19 | Set: 15:13

Alt: -9.33° Az: 355.85° Direction: North

23 Pegasi is a main-sequence star of spectral class B9 in the constellation of Pegasus.

23 Pegasi visual magnitude is 5.7. Because of its faintness, 23 Pegasi is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 23 Pegasi. The red arrow shows the motion of 23 Pegasi during the next 10000 years (5.17 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 06m 43s

Declination +29° 05’ 17”

Hour Angle 11h 41m 15s

Sidereal Time 09h 47m 59s

J2000

Right Ascension 22h 05m 34s

Declination +28° 57’ 50”

Galactic Coordinates

Galactic Longitude 84.49°

Galactic Latitude -21.27°

Finder Chart

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Finder chart for 23 Pegasi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.7

Class Main-sequence

Absolute magnitude 0.85

Spectral Type B9V

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where 23 Pegasi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 23 Pegasi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

23 Pegasi is distant 304.39 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 93.37

Distance (light year) 304.39

Radial Speed -12 km/s

Proper Motion RA 0.031 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Flamsteed designation 23 Pegasi

Henry Draper Catalogue HD209833

SAO Catalogue SAO90217

Hipparcos Catalogue HIP109056

Durchmusterung Catalogue BD+28 4284

FK5 Catalogue 3768

Visibility from Your Location

Today's 23 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.9° RISE 21:20

Max altitude: 67.6° TRANSIT 6:19

Azimuth: 299.1° SET 15:13

Set Location

Other stars in Pegasus