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37 Oph

HIP 84177; 37 Oph DoubleStar Oph Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.33
Spectral Type M2IIIa
Star Color Red (B-V 1.59)

Position & Identifiers

RA 17h 12m 27.8s
Dec +10° 35' 07.0"
Constellation Oph
HR 6393
HIP 84177
Flamsteed 37 Oph

Visibility

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Multiple Star System

Separation 31.6″
Companion Mag 14.3
Position Angle 31°
Star Colors A: Red
Discoverer B 2826

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 31° A (5.3) B (14.3)

Sep: 31.6″ · PA: 31° · 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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