BN Hyi
Observable Double Star
Excellent (60/100)
Sep: 15.2", Companion: mag 7.7
HIP 14521
DoubleStar
Hyi
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.57
Spectral Type
F2II-III
Star Color
Yellow-white
(B-V 0.30)
Position & Identifiers
RA
03h 07m 32.0s
Dec
-78° 59' 22.0"
Constellation
Hyi
HR
981
HIP
14521
Variable ID
BN Hyi
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Visibility
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Multiple Star System
Separation
15.2″
Companion Mag
7.7
Position Angle
225°
Star Colors
A: Yellow-white
B: Yellow
Discoverer
HJ 3568
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 15.2″ · PA: 225° · 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
Amp. 0.02V. Fundamental and overtone periods 0.041 and 0.065d.
Secondary 8.06V.
Comp. A of double.
Hyades moving group.
Survey Image
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