89 Tau
HIP 21588; 89 Tau
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.79
Spectral Type
F0V
Star Color
Yellow-white
(B-V 0.31)
Position & Identifiers
RA
04h 38m 09.4s
Dec
+16° 02' 00.0"
Constellation
Tau
HR
1472
HIP
21588
Flamsteed
89 Tau
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Visibility
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Multiple Star System
Separation
138.7″
Companion Mag
12.9
Position Angle
47°
Star Colors
A: Yellow-white
B: Yellow
Discoverer
BUP 65
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 138.7″ · PA: 47° · 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
In Taurus cluster; Mel 25 #103; the Hyades.
Survey Image
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