45 Tau
HIP 19554; 45 Tau
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.72
Spectral Type
F4V
Star Color
Yellow-white
(B-V 0.36)
Distance
101.9 ly
Position & Identifiers
RA
04h 11m 20.3s
Dec
+05° 31' 23.0"
Constellation
Tau
HR
1292
HIP
19554
Flamsteed
45 Tau
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Visibility
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Multiple Star System
Separation
113.1″
Companion Mag
10.9
Position Angle
37°
Star Colors
A: Yellow-white
Discoverer
ENG 18
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 113.1″ · PA: 37° · 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 #14; the Hyades.
Survey Image
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