ι Pegasi (iota Pegasi)

Below the horizon. Rise: 15:10 | Tran: 23:34 | Set: 8:02

Alt: -5.57° Az: 324.70° Direction: North-West

ι Pegasi is a variable and double main-sequence star of spectral class F5 in the constellation of Pegasus.

ι Pegasi visual magnitude is 3.76. Because of its moderate brightness, ι 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 ι Pegasi. The red arrow shows the motion of ι Pegasi during the next 1000 years (4.97 arcmin in Right Ascension and 0.42 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 08m 09s

Declination +25° 27’ 58”

Hour Angle 09h 21m 44s

Sideral Time 07h 29m 53s

J2000

Right Ascension 22h 07m 00s

Declination +25° 20’ 41”

Galactic Coordinates

Galactic Longitude 82.26°

Galactic Latitude -24.26°

Finder Chart

Simplified finder chart for ι Pegasi (iota Pegasi).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.76

Class Main-sequence

Absolute magnitude 3.41

Spectral Type F5V

Color Index (B-V) 0.44

Temperature 6674K

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

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

Star System Properties

ι Pegasi is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the ι Pegasi double sysyem:

Main star magnitude 3.76

Secondary star magnitude 11.16

Magnitude difference 7.4

Separation 103.7 arcsec

Distance, Radial Speed, Proper Motion

ι Pegasi is distant 38.33 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 11.76

Distance (light year) 38.33

Radial Speed -4 km/s

Proper Motion RA 0.298 arcsec/y

Proper Motion Dec 0.025"/y

Alternative Designations

Bayer designation ι Pegasi
(iota Pegasi)

Flamsteed designation 24 Pegasi

Henry Draper Catalogue HD210027

SAO Catalogue SAO90238

Hipparcos Catalogue HIP109176

Durchmusterung Catalogue BD+24 4533

Gliese Catalogue Gl 848

FK5 Catalogue 831

General Catalogue of Variable Stars 14034

Visibility from Your Location

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

Azimuth: 64.5° RISE 15:10

Max altitude: 64.0° TRANSIT 23:34

Azimuth: 295.5° SET 8:02

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

Location

Other stars in Pegasus