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Psi Ser

HIP 77052; Psi Ser; 23 Ser DoubleStar Ser Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 5.88
Spectral Type G2.5V
Star Color Orange (B-V 0.68)
Distance 71 ly

Position & Identifiers

RA 15h 44m 01.8s
Dec +02° 30' 54.0"
Constellation Ser
HR 5853
HIP 77052
Bayer Psi
Flamsteed 23 Ser
Double Cat 9763

Visibility

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Multiple Star System C,D: optical

Components 5
Component IDs AE
Separation 4.5″
Companion Mag 12.0
Companion Sp M
Position Angle 15°
Star Colors A: Orange B: Red
Discoverer A 2230

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 15° A (5.9) B (12.0)

Sep: 4.5″ · PA: 15° · 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 Fusion

Stellar Notes

Quintuple system of which E is brightest companion; B, 12.0V at 4"; others at 172" and 208".
0.084".

Survey Image

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