Sigma For
Observable Double Star
Good (53/100)
Sep: 5.0", 11.1v companion at 5" noted by Innes not confir...
HIP 17618; Sigma For
DoubleStar
For
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.90
Spectral Type
A3V
Star Color
White
(B-V 0.12)
Position & Identifiers
RA
03h 46m 27.4s
Dec
-29° 20' 17.0"
Constellation
For
HR
1171
HIP
17618
Bayer
Sigma
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Visibility
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Multiple Star System
Separation
5.0″
Star Colors
A: White
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
11.1v companion at 5" noted by Innes not confirmed.
Survey Image
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