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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
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Physical Properties

Magnitude 5.46
Spectral Type B7IIIe
Star Color Blue-white (B-V -0.04)
Distance 362 ly

Position & Identifiers

RA 05h 32m 14.2s
Dec +17° 03' 29.0"
Constellation Tau
HR 1847
HIP 25950
Double Cat 4131

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
N E 141° A (5.5) B (6.4)

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 Fusion

Stellar Notes

Companion is B7IV, vsini 291k/s, optical.
ADS 4131A.

Survey Image

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