18 Pegasi

Below the horizon. Rise: 22:18 | Tran: 4:55 | Set: 11:27

Alt: -29.69° Az: 339.47° Direction: South-West

18 Pegasi is a giant star of spectral class B3 in the constellation of Pegasus.

18 Pegasi visual magnitude is 6. Because of its faintness, 18 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 18 Pegasi. The red arrow shows the motion of 18 Pegasi during the next 10000 years (2.50 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 01m 24s

Declination +06° 50’ 26”

Hour Angle 10h 48m 30s

Sidereal Time 08h 49m 54s

J2000

Right Ascension 22h 00m 07s

Declination +06° 43’ 03”

Galactic Coordinates

Galactic Longitude 65.8°

Galactic Latitude -36.51°

Finder Chart

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Finder chart for 18 Pegasi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6

Class Giant

Absolute magnitude -1.58

Spectral Type B3III

Color Index (B-V) -0.12

Temperature 11920K

The red dot in the diagram below shows where 18 Pegasi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 18 Pegasi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

18 Pegasi is distant 1,068.85 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 327.87

Distance (light year) 1,068.85

Radial Speed -7 km/s

Proper Motion RA 0.015 arcsec/y

Proper Motion Dec 0.004"/y

Alternative Designations

Flamsteed designation 18 Pegasi

Henry Draper Catalogue HD209008

SAO Catalogue SAO127219

Hipparcos Catalogue HIP108612

Durchmusterung Catalogue BD+06 4940

FK5 Catalogue 3759

Visibility from Your Location

Today's 18 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 83.2° RISE 22:18

Max altitude: 45.4° TRANSIT 4:55

Azimuth: 276.8° SET 11:27

Set Location

Other stars in Pegasus