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17 Sex

HIP 49812; 17 Sex DoubleStar Sex Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 5.91
Spectral Type A1V
Star Color White (B-V 0.02)

Position & Identifiers

RA 10h 10m 07.5s
Dec -08° 24' 30.0"
Constellation Sex
HR 3989
HIP 49812
Flamsteed 17 Sex

Visibility

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Multiple Star System

Separation 0.2″
Companion Mag 9.3
Position Angle
Star Colors A: White B: Yellow
Discoverer CHR 177

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E A (5.9) B (9.3)

Sep: 0.2″ · PA: 9° · N up, E left

Unresolved · 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

Strong shell absorption; no emission except possibly a weak effect on the violet wing of H alpha.

Survey Image

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