11 Tau
HIP 17181; 11 Tau
DoubleStar
Tau
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.11
Spectral Type
A2IV
Star Color
White
(B-V 0.06)
Position & Identifiers
RA
03h 40m 46.3s
Dec
+25° 19' 46.0"
Constellation
Tau
HR
1118
HIP
17181
Flamsteed
11 Tau
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Visibility
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Multiple Star System
Separation
73.8″
Companion Mag
10.9
Position Angle
357°
Star Colors
A: White
B: Yellow-white
Discoverer
STU 16
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 73.8″ · PA: 357° · 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
20.4870d, K 34.2k/s, V0 -5.2k/s, asini 7.63; 6.3, 8.3v, sep. 0.0004".
Not a member of the Pleiades.
Survey Image
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