Sigma Peg
HIP 112935; Sigma Peg; 49 Peg
DoubleStar
Pegasus
(Peg)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.16
Spectral Type
F7IV
Star Color
Yellow
(B-V 0.48)
Distance
76 ly
Position & Identifiers
RA
22h 52m 24.1s
Dec
+09° 50' 08.0"
Constellation
Pegasus
(Peg)
HR
8697
HIP
112935
Bayer
Sigma
Flamsteed
49 Peg
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Visibility
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Multiple Star System B,C: optical
Separation
16.0″
Companion Mag
10.2
Companion Sp
M4
Position Angle
83°
Star Colors
A: Yellow
B: Red
Discoverer
EHR 19
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 16.0″ · PA: 83° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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
CPM companion M4.
Light Travel Time Machine
Relativistic Travel
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