Kappa CrA
HIP 90968; Kappa2 CrA
Observable Double Star
Excellent (62/100)
Sep: 20.5", Companion: mag 6.2
HIP 90968; Kappa2 CrA
DoubleStar
CrA
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.65
Spectral Type
B9V
Star Color
Blue-white
(B-V -0.06)
Position & Identifiers
RA
18h 33m 23.1s
Dec
-38° 43' 34.0"
Constellation
CrA
HR
6953
HIP
90968
Bayer
Kappa2
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Visibility
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Multiple Star System
Separation
20.5″
Companion Mag
6.2
Companion Sp
A0III
Position Angle
359°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
DUN 222
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 20.5″ · PA: 359° · 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 with HR 6952.
Survey Image
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