HIP 20985
HIP 20985
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.48
Spectral Type
G8III
Star Color
Orange
(B-V 1.03)
Position & Identifiers
RA
04h 30m 02.4s
Dec
+10° 15' 45.0"
Constellation
Tau
HR
1425
HIP
20985
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Visibility
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Multiple Star System
Separation
59.6″
Companion Mag
15.5
Position Angle
76°
Star Colors
A: Orange
Discoverer
LDS5568
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 59.6″ · PA: 76° · 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.
Survey Image
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