4 Equ
HIP 104101; 4 Equ
DoubleStar
Equ
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.94
Spectral Type
F8V
Star Color
Yellow
(B-V 0.54)
Distance
217.4 ly
Position & Identifiers
RA
21h 05m 26.7s
Dec
+05° 57' 30.0"
Constellation
Equ
HR
8077
HIP
104101
Flamsteed
4 Equ
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Visibility
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Multiple Star System
Separation
30.4″
Companion Mag
12.4
Position Angle
301°
Star Colors
A: Yellow
Discoverer
BUP 224
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 30.4″ · PA: 301° · 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
Wolf 630 group.
Survey Image
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