47 Boo
HIP 73841; 47 Boo
DoubleStar
Boo
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.57
Spectral Type
A1V
Star Color
White
(B-V 0.00)
Distance
125.4 ly
Position & Identifiers
RA
15h 05m 25.8s
Dec
+48° 09' 04.0"
Constellation
Boo
HR
5627
HIP
73841
Flamsteed
47 Boo
Double Cat
9500
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Visibility
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Multiple Star System
Separation
6.5″
Companion Mag
13.3
Position Angle
252°
Star Colors
A: White
Discoverer
BU 1086
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 6.5″ · PA: 252° · 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
CPM. Companion A5.
Survey Image
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