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HIP 74305

HIP 74305 DoubleStar Lup Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.54
Spectral Type G2Ib-II
Star Color Orange (B-V 1.14)

Position & Identifiers

RA 15h 11m 16.0s
Dec -55° 20' 46.0"
Constellation Lup
HR 5637
HIP 74305

Visibility

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Multiple Star System

Separation 11.2″
Companion Mag 12.3
Position Angle 246°
Star Colors A: Orange
Discoverer HJ 4734

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 246° A (5.5) B (12.3)

Sep: 11.2″ · PA: 246° · 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

IUE observations show a B8V companion 2.5 mag. fainter than primary.

Survey Image

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