Sigma Gru
HIP 111594; Sigma1 Gru
HIP 111594; Sigma1 Gru
DoubleStar
Gru
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
6.28
Spectral Type
A3Vn
Star Color
White
(B-V 0.12)
Position & Identifiers
RA
22h 36m 29.3s
Dec
-40° 34' 58.0"
Constellation
Gru
HR
8600
HIP
111594
Bayer
Sigma1
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Visibility
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Multiple Star System
Separation
2.6″
Companion Mag
10.0
Position Angle
290°
Star Colors
A: White
B: Orange
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.6″ · PA: 290° · N up, E left
At limit · 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.
Survey Image
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