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Delta Ara

HIP 85727; Delta Ara DoubleStar Ara Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 3.62
Spectral Type B7V
Star Color Blue-white (B-V -0.10)
Distance 197.8 ly

Position & Identifiers

RA 17h 31m 05.9s
Dec -60° 41' 02.0"
Constellation Ara
HR 6500
HIP 85727
Bayer Delta

Visibility

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Multiple Star System

Separation 3.1″
Companion Mag 14.2
Position Angle 67°
Star Colors A: Blue-white
Discoverer EHR 15

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 67° A (3.6) B (14.2)

Sep: 3.1″ · PA: 67° · 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

Companion K0III, optical.
Pleiades group.

Survey Image

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