HIP 25950
Observable Double Star
Excellent (67/100)
Sep: 9.7", Companion: mag 6.4
HIP 25950
DoubleStar
Tau
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.46
Spectral Type
B7IIIe
Star Color
Blue-white
(B-V -0.04)
Distance
362.4 ly
Position & Identifiers
RA
05h 32m 14.2s
Dec
+17° 03' 29.0"
Constellation
Tau
HR
1847
HIP
25950
Double Cat
4131
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Visibility
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Multiple Star System
Separation
9.7″
Companion Mag
6.4
Position Angle
141°
Star Colors
A: Blue-white
Discoverer
STF 730
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 9.7″ · PA: 141° · 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
Companion is B7IV, vsini 291k/s, optical.
ADS 4131A.
Survey Image
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