Enif
HIP 107315; Epsilon Peg; 8 Peg
HIP 107315; Epsilon Peg; 8 Peg
Star
Peg
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
2.39
Range
2.37 - 2.45
Variable Type
LC
Spectral Type
K2Ib-II
Star Color
Red
(B-V 1.53)
Distance
688 ly
Position & Identifiers
RA
21h 44m 11.2s
Dec
+09° 52' 30.0"
Constellation
Peg
HR
8308
HIP
107315
Bayer
Epsilon
Flamsteed
8 Peg
Variable ID
Eps Peg
Double Cat
15268
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Visibility
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Multiple Star System optical
Components
3
Component IDs
AC
Separation
83.2″
Companion Mag
12.8
Companion Sp
F8
Position Angle
323°
Star Colors
A: Red
B: Yellow
Discoverer
S 798
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
0.7 - 3.5V. 1.7m flare 1972 Sept. 26-7; fainter than normal following night.
ADS 15268AB optical.
Large infrared excess.
See HR 8232.
Ultraviolet FeII emission. MgII emissions indicate a cooler shell surrounding the supergiant. Barium marginally | overabundant.
ENIF; Enf; Enir; Al Anf; Os Pegasi; Fom.
Survey Image
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