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HIP 77858

HIP 77858 DoubleStar Sco Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.39
Spectral Type B6IVn
Star Color Blue-white (B-V -0.02)

Position & Identifiers

RA 15h 53m 53.8s
Dec -24° 31' 59.0"
Constellation Sco
HR 5906
HIP 77858

Visibility

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Multiple Star System

Separation 15.7″
Companion Mag 17.0
Position Angle 81°
Star Colors A: Blue-white
Discoverer USD 100

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 81° A (5.4) B (17.0)

Sep: 15.7″ · PA: 81° · 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

Suspected occultation double.
Sco OB2; Sco-Cen assoc.; doubtful member of the Sco-Cen cluster; upper Sco region.

Survey Image

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