Pi Peg
HIP 109352; Pi Peg; 27 Peg
HIP 109352; Pi Peg; 27 Peg
DoubleStar
Peg
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.58
Spectral Type
G8IIIb
Star Color
Orange
(B-V 1.00)
Distance
543.6 ly
Position & Identifiers
RA
22h 09m 13.6s
Dec
+33° 10' 20.0"
Constellation
Peg
HR
8449
HIP
109352
Bayer
Pi
Flamsteed
27 Peg
Double Cat
15672
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Visibility
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Multiple Star System
Components
5
Component IDs
AC
Separation
29.7″
Companion Mag
11.9
Position Angle
337°
Star Colors
A: Orange
Discoverer
BU 1511
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 29.7″ · PA: 337° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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 Notes
Components B and C optical.
Survey Image
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