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V815 Cen

Observable Double Star Fair (26/100)

Sep: 1.3", Companion: mag 7.7

HIP 54360 DoubleStar Cen Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 5.15
Variable Type Alpha2 CVn (Magnetic Rotating)
Spectral Type ApSrCrEu
Star Color White (B-V 0.03)

Position & Identifiers

RA 11h 07m 16.6s
Dec -42° 38' 19.0"
Constellation Cen
HR 4327
HIP 54360
Variable ID V815 Cen

Visibility

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Multiple Star System

Separation 1.3″
Companion Mag 7.7
Position Angle 252°
Star Colors A: White B: Yellow
Discoverer HJ 4409

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 252° A (5.2) B (7.7)

Sep: 1.3″ · PA: 252° · 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

Alpha CV, amp. 0.03V, 2.433d.
0.007".
Two determinations, one +5, other -5k/s.

Survey Image

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