Kappa Sco
HIP 86670; Kappa Sco
DoubleStar
Sco
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
2.41
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B1.5III
Star Color
Blue
(B-V -0.22)
Distance
482.8 ly
Position & Identifiers
RA
17h 42m 29.3s
Dec
-39° 01' 48.0"
Constellation
Sco
HR
6580
HIP
86670
Bayer
Kappa
Variable ID
Kap Sco
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Visibility
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Multiple Star System
Separation
52.8″
Companion Mag
17.0
Position Angle
191°
Star Colors
A: Blue
B: Yellow-white
Discoverer
RIZ 20
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 52.8″ · PA: 191° · 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
Beta C 2.39 - 2.42V, 0.1998303d, 0.205430, 7.3316, 0.189512 and 2.591d.
Same periods as VAR.
Sco-Cen assoc.
Survey Image
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