56 Tau
HIP 20186; 56 Tau
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.38
Spectral Type
A0pSi
Star Color
Blue-white
(B-V -0.14)
Position & Identifiers
RA
04h 19m 36.7s
Dec
+21° 46' 25.0"
Constellation
Tau
HR
1341
HIP
20186
Flamsteed
56 Tau
Variable ID
V724 Tau
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Visibility
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Multiple Star System
Separation
14.5″
Companion Mag
13.5
Companion Sp
M2V
Position Angle
114°
Star Colors
A: Blue-white
B: Red
Discoverer
SKF2834
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 14.5″ · PA: 114° · 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
0.07V, 1.569d (light and spectrum).
CPM with 1339.
Member of Pleiades group.
Survey Image
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