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Kappa Psc

HIP 115738; Kappa Psc; 8 Psc DoubleStar Psc Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 4.94
Variable Type Alpha2 CVn (Magnetic Rotating)
Spectral Type A0pCrSi:Sr:
Star Color White (B-V 0.03)
Distance 81.5 ly

Position & Identifiers

RA 23h 26m 56.0s
Dec +01° 15' 20.0"
Constellation Psc
HR 8911
HIP 115738
Bayer Kappa
Flamsteed 8 Psc
Variable ID Kap Psc

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 182.7″
Companion Mag 10.0
Position Angle 342°
Star Colors A: White
Discoverer S 830

Eyepiece View

32x Dawes: 1.9″ TFOV: 1.6°
Realistic = true angular size
N E 342° A (4.9) B (10.0)

Sep: 182.7″ · PA: 342° · 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

Alpha CV 4.91 - 4.96V, 0.58525:d. Period changes? Magnetic and spectrum variable, 0.5805d.
AB optical. Component A suspected occultation double.
Member of Pleiades group.
Oxygen deficient relative to magnesium. Many uranium lines; possibly the uncommon element holmium. Uranium and osmium | may be due to supernova explosion in a nearby star.

Survey Image

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