9 Pegasi

Below the horizon. Rise: 4:55 | Tran: 12:26 | Set: 19:56

Alt: -4.78° Az: 53.94° Direction: North-East

9 Pegasi is a variable supergiant star of spectral class G5 in the constellation of Pegasus.

9 Pegasi visual magnitude is 4.34. Because of its moderate brightness, 9 Pegasi is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of 9 Pegasi. The red arrow shows the motion of 9 Pegasi during the next 10000 years (2.00 arcmin in Right Ascension and -2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 45m 42s

Declination +17° 27’ 58”

Hour Angle 15h 50m 29s

Sidereal Time 13h 36m 12s

J2000

Right Ascension 21h 44m 30s

Declination +17° 21’ 00”

Galactic Coordinates

Galactic Longitude 71.98°

Galactic Latitude -26.51°

Finder Chart

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Finder chart for 9 Pegasi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.34

Class Supergiant

Absolute magnitude -2.87

Spectral Type G5I

Color Index (B-V) 1.17

Temperature 4368K

The red dot in the diagram below shows where 9 Pegasi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 9 Pegasi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

9 Pegasi is distant 900.55 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 276.24

Distance (light year) 900.55

Radial Speed -22 km/s

Proper Motion RA 0.012 arcsec/y

Proper Motion Dec -0.013"/y

Alternative Designations

Flamsteed designation 9 Pegasi

Henry Draper Catalogue HD206859

SAO Catalogue SAO107365

Hipparcos Catalogue HIP107348

Durchmusterung Catalogue BD+16 4582

General Catalogue of Variable Stars 13864

Visibility from Your Location

Today's 9 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 72.5° RISE 4:55

Max altitude: 56.0° TRANSIT 12:26

Azimuth: 287.5° SET 19:56

Set Location

Other stars in Pegasus