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51 Psc

HIP 2548; 51 Psc DoubleStar Psc Visible Level 2 Small telescope (4") - Requires steady seeing
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Physical Properties

Magnitude 5.67
Spectral Type B9.5V
Star Color White (B-V 0.00)

Position & Identifiers

RA 00h 32m 23.8s
Dec +06° 57' 20.0"
Constellation Psc
HR 132
HIP 2548
Flamsteed 51 Psc
Variable ID Var?
Double Cat 449

Visibility

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Multiple Star System

Components 4
Component IDs O
Separation 27.0″
Companion Mag 9.5
Position Angle 84°
Star Colors A: White B: Yellow-white
Discoverer STF 36

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 84° A (5.7) B (9.5)

Sep: 27.0″ · PA: 84° · 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

Suspect eclipsing because invisible at time of occultation.
ADS 449A is triple occultation system, 6.2, 6.9v, sep. 0.031"; third component 8.8v at 0.196". ADS 449B, 9.7v at 27.5". | AB are CPM.
Early determination of vsini 260k/s.

Survey Image

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