Eta PsA
Observable Double Star
Fair (27/100)
Sep: 1.9", Companion: mag 6.8
HIP 108661; Eta PsA; 12 PsA
DoubleStar
PsA
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.42
Spectral Type
B8V
Star Color
Blue-white
(B-V -0.09)
Distance
296.5 ly
Position & Identifiers
RA
22h 00m 50.2s
Dec
-28° 27' 13.0"
Constellation
PsA
HR
8386
HIP
108661
Bayer
Eta
Flamsteed
12 PsA
Double Cat
15536
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Visibility
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Multiple Star System
Separation
1.9″
Companion Mag
6.8
Position Angle
113°
Star Colors
A: Blue-white
B: White
Discoverer
BU 276
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.9″ · PA: 113° · 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
Shell star. H alpha emission.
Survey Image
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