Enif - ε Pegasi (epsilon Pegasi)

Altitude: 10.8° Azimuth: 87.7° Direction: East

Enif, also designated as ε Pegasi (epsilon Pegasi), is a variable and multiple supergiant star in the constellation of Pegasus.

Enif visual magnitude is 2.39, making it the 82th brightest star in the sky. Thanks to its high brightness, Enif is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The table below summarizes the key facts about Enif:

Color of Enif ⬤

Magnitude of Enif 2.39

Class Supergiant

VISIBILITY RIGHT NOW

Enif - ε Pegasi (epsilon Pegasi) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 10.8°
Azimuth: 87.7°
Direction: East

Celestial coordinates and finder chart of Enif

Enif 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 Enif are provided in the following table:

Right Ascension J2000 21h 44m 11s

Declination J2000 +09° 52’ 29”

Galactic Longitude 65.57°

Galactic Latitude -31.46°

Constellation Pegasus

The simplified sky map below shows the position of Enif in the sky:

Finder chart Enif - ε Pegasi (epsilon Pegasi) star

Simplified finder chart for Enif - ε Pegasi (epsilon Pegasi).

Visibility of Enif from your location

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

Today's Enif - ε Pegasi (epsilon Pegasi) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.1° RISE 15:26

Max altitude: 48.4° TRANSIT 22:14

Azimuth: 279.9° SET 5:06

Digitized Sky Survey image of Enif

The image below is a photograph of Enif 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 Enif is 0.031 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Enif - ε Pegasi (epsilon Pegasi) star

DSS2 image of Enif. The red arrow shows the motion of Enif during the next 10000 years (5.17 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of Enif from the Sun and relative movement

Enif is distant 672.16 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

Distance (parsec) 206.19 pc

Distance (light year) 672.16 ly

Heliocentric radial velocity 5 km/s

Proper Motion RA 0.031 arcsec/year

Proper Motion Dec -0.001 arcsec/year

Spectral properties of Enif

Enif belongs to spectral class K2 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -4.18

Spectral Type K2I

Color Index (B-V) 1.53

Temperature of Enif 3749K

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

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

Enif star system properties

Enif 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 Enif double sysyem:

Main star magnitude 2.39

Secondary star magnitude 8.49

Magnitude difference 6.1

Separation 142.5 arcsec

Alternative designations of Enif

Proper Name Enif

Bayer designation ε Pegasi
(epsilon Pegasi)

Flamsteed designation 8 Pegasi

Henry Draper Catalogue HD206778

SAO Catalogue SAO127029

Hipparcos Catalogue HIP107315

Durchmusterung Catalogue BD+09 4891

FK5 Catalogue 815

General Catalogue of Variable Stars Eps Peg

Aitken Double Star Catalogue ADS15268

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