4 Peg
HIP 106856; 4 Peg
DoubleStar
Peg
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.67
Spectral Type
A9IV-Vn
Star Color
Yellow-white
(B-V 0.25)
Distance
98.8 ly
Position & Identifiers
RA
21h 38m 31.9s
Dec
+05° 46' 18.0"
Constellation
Peg
HR
8270
HIP
106856
Flamsteed
4 Peg
Double Cat
15157
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Visibility
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Multiple Star System
Separation
33.3″
Companion Mag
11.8
Position Angle
310°
Star Colors
A: Yellow-white
Discoverer
HJ 941
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 33.3″ · PA: 310° · 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
Optical.
Survey Image
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