Beta Tuc
HIP 2578; Beta3 Tuc
HIP 2578; Beta3 Tuc
DoubleStar
Tuc
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.09
Spectral Type
A0V
Star Color
White
(B-V 0.04)
Distance
66.6 ly
Position & Identifiers
RA
00h 32m 43.8s
Dec
-63° 01' 52.0"
Constellation
Tuc
HR
136
HIP
2578
Bayer
Beta3
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Visibility
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Multiple Star System
Separation
0.1″
Companion Mag
6.0
Position Angle
171°
Star Colors
A: White
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 171° · 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
Short period binary. Both components A-type. Sep. 0.099". CPM with HR 126 and 127.
Survey Image
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