Tau Lup
HIP 70576; Tau2 Lup
HIP 70576; Tau2 Lup
DoubleStar
Lup
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.35
Spectral Type
F4IV+A7:
Star Color
Yellow-white
(B-V 0.43)
Distance
1630.8 ly
Position & Identifiers
RA
14h 26m 10.8s
Dec
-45° 22' 46.0"
Constellation
Lup
HR
5396
HIP
70576
Bayer
Tau2
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Visibility
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Multiple Star System
Separation
0.1″
Companion Mag
5.5
Companion Sp
F4IV
Position Angle
344°
Star Colors
A: Yellow-white
B: Yellow-white
Discoverer
I 402
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 344° · 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
Binary. Combined mag., colors.
3043d.
Survey Image
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