λ Pegasi (lambda Pegasi)

λ Pegasi is a giant star in the constellation of Pegasus.

λ Pegasi visual magnitude is 3.95. Because of its moderate brightness, λ Pegasi should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about λ Pegasi:

Color of λ Pegasi ⬤

Magnitude of λ Pegasi 3.95

Class Giant

VISIBILITY RIGHT NOW λ Pegasi (lambda Pegasi) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 29°.

Celestial coordinates and finder chart of λ Pegasi

λ Pegasi is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of λ Pegasi are provided in the following table:

Right Ascension J2000 22h 46m 31s

Declination J2000 +23° 33’ 56”

Galactic Longitude 89.26°

Galactic Latitude -31.02°

Constellation Pegasus

The simplified sky map below shows the position of λ Pegasi in the sky:

Finder chart λ Pegasi (lambda Pegasi) star

Simplified finder chart for λ Pegasi (lambda Pegasi).

Visibility of λ Pegasi from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's λ Pegasi (lambda Pegasi) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 66.4° RISE 2:58

Max altitude: 62.1° TRANSIT 11:08

Azimuth: 293.6° SET 19:18

RIGHT NOW λ Pegasi (lambda Pegasi) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of λ Pegasi

The image below is a photograph of λ Pegasi from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of λ Pegasi is 0.058 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of λ Pegasi. The red arrow shows the motion of λ Pegasi during the next 10000 years (9.67 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of λ Pegasi from the Sun and relative movement

λ Pegasi is distant 394.67 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 121.07 pc

Distance (light year) 394.67 ly

Heliocentric radial velocity -4 km/s

Proper Motion RA 0.058 arcsec/year

Proper Motion Dec -0.01 arcsec/year

Spectral properties of λ Pegasi

λ Pegasi belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.47

Spectral Type G8III

Color Index (B-V) 1.07

Temperature of λ Pegasi 4581K

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

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

Alternative designations of λ Pegasi

Bayer designation λ Pegasi
(lambda Pegasi)

Flamsteed designation 47 Pegasi

Henry Draper Catalogue HD215665

SAO Catalogue SAO90775

Hipparcos Catalogue HIP112440

Durchmusterung Catalogue BD+22 4709

Gliese Catalogue NN 4295

FK5 Catalogue 859

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Other stars in Pegasus