Taygeta
HIP 17531; 19 Tau
HIP 17531; 19 Tau
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.30
Spectral Type
B6IV
Star Color
Blue-white
(B-V -0.11)
Position & Identifiers
RA
03h 45m 12.5s
Dec
+24° 28' 02.0"
Constellation
Tau
HR
1145
HIP
17531
Flamsteed
19 Tau
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Visibility
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Multiple Star System
Components
3
Component IDs
A
Separation
71.7″
Companion Mag
11.0
Position Angle
329°
Star Colors
A: Blue-white
B: White
Discoverer
HJ 3251
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 71.7″ · PA: 329° · 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
Primary is SB, 4.6, 6.1v, sep. 0.012". Visual pair 4.4, 8.1v, sep. 69".
1313d, K 8.0k/s, V0 +5.9k/s, asini 144.0. Unresolved by speckle interferometry.
Pleiades cluster; Mel 22 #563; embedded in reflection nebulosity.
vsini 135k/s.
Taygeta; Taygete.
Survey Image
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