HIP 27421
HIP 27421
DoubleStar
Tau
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
6.07
Spectral Type
B9Vn
Star Color
Blue-white
(B-V -0.08)
Distance
3261.6 ly
Position & Identifiers
RA
05h 48m 22.4s
Dec
+20° 52' 10.0"
Constellation
Tau
HR
1997
HIP
27421
Double Cat
4392
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
0.1″
Companion Mag
7.6
Position Angle
320°
Star Colors
A: Blue-white
Discoverer
STT 118
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 320° · 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.
Stellar Notes
AB binary. C, 7.2v A0 at 75", CPM.
ADS 4392A.
Survey Image
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