Kaus Meridionalis
HIP 89931; Delta Sgr; 19 Sgr
HIP 89931; Delta Sgr; 19 Sgr
DoubleStar
Sgr
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
2.70
Spectral Type
K2.5IIIa CN0.5
Star Color
Red
(B-V 1.38)
Distance
347.6 ly
Position & Identifiers
RA
18h 20m 59.7s
Dec
-29° 49' 41.0"
Constellation
Sgr
HR
6859
HIP
89931
Bayer
Delta
Flamsteed
19 Sgr
Double Cat
11264
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Visibility
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Multiple Star System
Components
4
Component IDs
AD
Separation
31.7″
Companion Mag
14.5
Position Angle
276°
Star Colors
A: Red
Discoverer
SEE 350
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 31.7″ · PA: 276° · 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
K3-IIIa CN0.5 Ba0.2 Fe0.5. Also classified K3IIIa CN 1 Ba 0.1 Fe 0.5.
Kaus Meridionalis; Kaus Media; Media.
Survey Image
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