114 Tau
HIP 25539; 114 Tau
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.88
Spectral Type
B2.5IV
Star Color
Blue-white
(B-V -0.15)
Position & Identifiers
RA
05h 27m 38.1s
Dec
+21° 56' 13.0"
Constellation
Tau
HR
1810
HIP
25539
Flamsteed
114 Tau
Double Cat
4048
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Visibility
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Multiple Star System
Components
5
Component IDs
O
Separation
37.5″
Companion Mag
10.9
Position Angle
348°
Star Colors
A: Blue-white
Discoverer
HJ 365
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 37.5″ · PA: 348° · 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
ADS 4048A is occultation double, equal magnitudes, discovered during occultation of Feb. 26, 1901 by Innes. The three | visual companions: B, 12.39V at 38"; C, 11.55V at 59"; and D, 11.6 at 74" may all be CPM with A; however, B and C may | possibly be optical.
Cas-Tau OB1.
Survey Image
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