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HIP 90981

HIP 90981 DoubleStar Pav Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 6.44
Spectral Type G5IV
Star Color Orange (B-V 0.68)

Position & Identifiers

RA 18h 33m 29.5s
Dec -58° 42' 33.0"
Constellation Pav
HR 6939
HIP 90981

Visibility

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Multiple Star System

Separation 1.2″
Companion Mag 10.6
Position Angle 196°
Star Colors A: Orange B: Red
Discoverer HDS2633

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 196° A (6.4) B (10.6)

Sep: 1.2″ · PA: 196° · N up, E left

Unresolved · 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

Wolf 630 group.

Survey Image

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