HIP 21323
HIP 21323
DoubleStar
Tau
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.88
Spectral Type
B9pHg
Star Color
Blue-white
(B-V -0.06)
Position & Identifiers
RA
04h 34m 38.0s
Dec
+28° 57' 40.0"
Constellation
Tau
HR
1445
HIP
21323
Double Cat
3304
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
25.3″
Companion Mag
10.3
Position Angle
102°
Star Colors
A: Blue-white
B: Yellow
Discoverer
HJ 5461
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 25.3″ · PA: 102° · 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
Spectra show Hg; possibly Mn.
Survey Image
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