Tau And
HIP 7818; Tau And; 53 And
DoubleStar
And
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.94
Spectral Type
B8III
Star Color
Blue-white
(B-V -0.09)
Position & Identifiers
RA
01h 40m 34.8s
Dec
+40° 34' 37.0"
Constellation
And
HR
477
HIP
7818
Bayer
Tau
Flamsteed
53 And
Double Cat
1311
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Visibility
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Multiple Star System
Separation
52.9″
Companion Mag
11.5
Position Angle
330°
Star Colors
A: Blue-white
Discoverer
BU 1362
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 52.9″ · PA: 330° · 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 Fusion
Stellar Notes
CPM. Component B, 11.53V, +0.65(B-V), +0.04(U-B).
Survey Image
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