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Psi Psc

HIP 5131; Psi1 Psc; 74 Psc

Observable Double Star Excellent (70/100)

Sep: 29.8", Companion: mag 5.5

HIP 5131; Psi1 Psc; 74 Psc DoubleStar Psc Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 5.34
Spectral Type A1Vn
Star Color Blue-white (B-V -0.03)
Distance 203.8 ly

Position & Identifiers

RA 01h 05m 40.9s
Dec +21° 28' 24.0"
Constellation Psc
HR 310
HIP 5131
Bayer Psi1
Flamsteed 74 Psc
Double Cat 899

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 29.8″
Companion Mag 5.5
Companion Sp A0V
Position Angle 159°
Star Colors A: Blue-white B: Blue-white
Discoverer STF 88

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 159° A (5.3) B (5.5)

Sep: 29.8″ · PA: 159° · 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

CPM with HR 311. Third component optical.

Survey Image

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