Sadalsuud
HIP 106278; Beta Aqr; 22 Aqr
HIP 106278; Beta Aqr; 22 Aqr
DoubleStar
Aqr
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
2.91
Spectral Type
G0Ib
Star Color
Orange
(B-V 0.83)
Distance
543.6 ly
Position & Identifiers
RA
21h 31m 33.5s
Dec
-05° 34' 16.0"
Constellation
Aqr
HR
8232
HIP
106278
Bayer
Beta
Flamsteed
22 Aqr
Double Cat
15050
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
37.6″
Companion Mag
11.0
Position Angle
319°
Star Colors
A: Orange
Discoverer
H 5 76
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 37.6″ · PA: 319° · 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
Both companions optical.
With Alpha Aqr (HR 8414) and Epsilon Peg (HR 8308) forms an OB triple system. Motion of HR 8232 and 8414 | (separated by 12d) is nearly perpendicular to the galactic plane.
Sadalsuud; Sadalsud; Sad es Saud; Sadalsund; Saad el Sund.
Survey Image
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