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Iota Aps

HIP 84979; Iota Aps DoubleStar Aps Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 5.41
Spectral Type B9V+B9.5V
Star Color Blue-white (B-V -0.04)

Position & Identifiers

RA 17h 22m 05.9s
Dec -70° 07' 24.0"
Constellation Aps
HR 6411
HIP 84979
Bayer Iota

Visibility

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Multiple Star System

Separation 0.1″
Companion Mag 6.5
Companion Sp B9.5V
Position Angle 125°
Star Colors A: Blue-white B: Blue-white
Discoverer FIN 373

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 125° A (5.4) B (6.5)

Sep: 0.1″ · PA: 125° · 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

Sep. 0.121".

Survey Image

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