Pi Tuc
HIP 1647; Pi Tuc
DoubleStar
Tucana
(Tuc)
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.51
Spectral Type
B9V
Star Color
Blue-white
(B-V -0.05)
Distance
297 ly
Position & Identifiers
RA
00h 20m 39.0s
Dec
-69° 37' 30.0"
Constellation
Tucana
(Tuc)
HR
83
HIP
1647
Bayer
Pi
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Visibility
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Multiple Star System
Separation
2.3″
Companion Mag
10.1
Position Angle
216°
Star Colors
A: Blue-white
B: Yellow
Discoverer
HUB 1
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.3″ · PA: 216° · N up, E left
At limit · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
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Spectral Classification
Hertzsprung-Russell Diagram
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