13 Boo
HIP 69068; 13 Boo
DoubleStar
Boo
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.25
Variable Type
Slow Irregular Variable
Spectral Type
M1.5III
Star Color
Red
(B-V 1.65)
Distance
163.1 ly
Position & Identifiers
RA
14h 08m 17.3s
Dec
+49° 27' 29.0"
Constellation
Boo
HR
5300
HIP
69068
Flamsteed
13 Boo
Variable ID
CF Boo
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Visibility
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Multiple Star System
Separation
76.1″
Companion Mag
11.1
Position Angle
270°
Star Colors
A: Red
Discoverer
H 6 112
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 76.1″ · PA: 270° · 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
Lb 5.2 - 5.3v, 7.0 - 7.13p.
Survey Image
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