HIP 20493
HIP 20493
DoubleStar
Tau
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.99
Spectral Type
B8IV-V
Star Color
White
(B-V 0.03)
Position & Identifiers
RA
04h 23m 32.4s
Dec
+20° 58' 56.0"
Constellation
Tau
HR
1375
HIP
20493
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Visibility
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Multiple Star System
Separation
0.2″
Position Angle
1°
Star Colors
A: White
Discoverer
CHR 16
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 1° · N up, E left
Unresolved · 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.
Survey Image
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