Kappa Tuc
Observable Double Star
Good (58/100)
Sep: 4.6", Companion: mag 7.5
HIP 5896; Kappa Tuc
DoubleStar
Tuc
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.86
Spectral Type
F6IV
Star Color
Yellow
(B-V 0.47)
Distance
53.5 ly
Position & Identifiers
RA
01h 15m 46.1s
Dec
-68° 52' 34.0"
Constellation
Tuc
HR
377
HIP
5896
Bayer
Kappa
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
4.6″
Companion Mag
7.5
Companion Sp
G5V
Position Angle
315°
Star Colors
A: Yellow
B: Orange
Discoverer
HJ 3423
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 4.6″ · PA: 315° · 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
Quadruple system consisting of two close CPM pairs separated by 320": CPD -69d45, components AB, 5.1, 7.3, 5" and | CPD -69d44, components CD. AB, 1222.4y, a = 7.64"; CD 7.8 G5, 8.2, 86.2y, a = 1.12".
0.049".
Survey Image
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