Bunda
HIP 106786; Xi Aqr; 23 Aqr
HIP 106786; Xi Aqr; 23 Aqr
Star
Aqr
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
4.69
Spectral Type
A7V
Star Color
Yellow-white
(B-V 0.17)
Distance
271.8 ly
Position & Identifiers
RA
21h 37m 45.1s
Dec
-07° 51' 15.0"
Constellation
Aqr
HR
8264
HIP
106786
Bayer
Xi
Flamsteed
23 Aqr
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Visibility
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Multiple Star System
Separation
0.0″
Companion Mag
7.0
Position Angle
79°
Star Colors
A: Yellow-white
Discoverer
MCA 68
Eyepiece View
15x
Dawes: 1.9″
TFOV: 3.3°
Realistic = true angular size
Sep: 0.0″ · PA: 79° · N up, E left
Unresolved · 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
Speckle interferometry indicates mag. diff 3.0, sep. 0.033"; D. W. Dunham gives 5.1, 7.1v, 0.07".
8016d, K 11.3k/s, V0 -21.0k/s, asini 1050. Massive invisible component.
Survey Image
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