98 Tau
HIP 23088; 98 Tau
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.81
Spectral Type
A0V
Star Color
White
(B-V 0.00)
Position & Identifiers
RA
04h 58m 09.4s
Dec
+25° 03' 01.0"
Constellation
Tau
HR
1590
HIP
23088
Flamsteed
98 Tau
Double Cat
3547
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Visibility
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Multiple Star System
Components
4
Component IDs
AC
Separation
45.3″
Companion Mag
13.3
Position Angle
358°
Star Colors
A: White
B: Yellow-white
Discoverer
BU 1390
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 45.3″ · PA: 358° · 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
Component A suspected occultation double. Two visual companions.
Two determinations of vsini, 170 and 50k/s.
Survey Image
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