Psi Cap

HIP 102485; Psi Cap; 16 Cap DoubleStar Cap Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 4.14

Spectral Type F4V

Star Color Yellow-white (B-V 0.43)

Distance 33.3 ly

Position & Identifiers

RA 20h 46m 05.7s

Dec -25° 16' 15.0"

Constellation Cap

HR 7936

HIP 102485

Bayer Psi

Flamsteed 16 Cap

Visibility

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Multiple Star System

Separation 11.4″

Companion Mag 15.5

Position Angle 59°

Star Colors A: Yellow-white

Discoverer EHR 17

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 11.4″ · PA: 59° · 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.

Survey Image

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