36 Tau
HIP 19009; 36 Tau
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.47
Spectral Type
G0III+A4V
Star Color
Orange
(B-V 0.86)
Distance
233.0 ly
Position & Identifiers
RA
04h 04m 21.7s
Dec
+24° 06' 21.0"
Constellation
Tau
HR
1252
HIP
19009
Flamsteed
36 Tau
Double Cat
2965
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Visibility
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Multiple Star System
Components
3
Component IDs
O
Separation
25.7″
Companion Mag
12.2
Companion Sp
B8IV
Position Angle
258°
Star Colors
A: Orange
B: Blue-white
Discoverer
BU 544
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 25.7″ · PA: 258° · 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
A is occultation binary, sep. 0.033", unresolved by speckle interferometry 1981.68. Spectrum binary; vsini of | early-type component 160k/s. AB, mag. diff 6.5v, sep. 25.5".
Also classified G1III + B9V.
Survey Image
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