55 Pegasi

Below the horizon. Rise: 18:07 | Tran: 0:54 | Set: 7:44

Alt: -4.78° Az: 68.15° Direction: East-North-East

55 Pegasi is a variable giant star of spectral class M1 in the constellation of Pegasus.

55 Pegasi visual magnitude is 4.52. Because of its moderate brightness, 55 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 55 Pegasi. The red arrow shows the motion of 55 Pegasi during the next 10000 years (1.83 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 08m 14s

Declination +09° 32’ 35”

Hour Angle 16h 38m 48s

Sideral Time 15h 47m 03s

J2000

Right Ascension 23h 07m 00s

Declination +09° 24’ 33”

Galactic Coordinates

Galactic Longitude 84.62°

Galactic Latitude -45.55°

Finder Chart

Simplified finder chart for 55 Pegasi.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.52

Class Giant

Absolute magnitude -0.45

Spectral Type M1III

Color Index (B-V) 1.57

Temperature 3691K

The red dot in the diagram below shows where 55 Pegasi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 55 Pegasi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

55 Pegasi is distant 321.82 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 98.72

Distance (light year) 321.82

Radial Speed -5 km/s

Proper Motion RA 0.011 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Flamsteed designation 55 Pegasi

Henry Draper Catalogue HD218329

SAO Catalogue SAO127976

Hipparcos Catalogue HIP114144

Durchmusterung Catalogue BD+08 4997

FK5 Catalogue 1603

General Catalogue of Variable Stars 14428

Visibility from Your Location

Today's 55 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.5° RISE 18:07

Max altitude: 48.1° TRANSIT 0:54

Azimuth: 279.5° SET 7:44

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

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Location

Other stars in Pegasus