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HIP 26781

HIP 26781 DoubleStar Aur Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 6.43
Spectral Type B8IV
Star Color Blue-white (B-V -0.11)

Position & Identifiers

RA 05h 41m 21.0s
Dec +29° 29' 15.0"
Constellation Aur
HR 1945
HIP 26781
Double Cat 4262

Visibility

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Multiple Star System

Separation 25.8″
Companion Mag 7.1
Position Angle 15°
Star Colors A: Blue-white B: Blue-white
Discoverer STF 764

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 15° A (6.4) B (7.1)

Sep: 25.8″ · PA: 15° · 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

CPM, B is 7.18V, -0.04(B-V), -0.14(U-B), B9.5V, vsini 120k/s.
ADS 4254A.

Survey Image

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