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37 Peg

HIP 111062; 37 Peg DoubleStar Peg Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 5.48
Spectral Type F2V+F2V
Star Color Yellow-white (B-V 0.38)
Distance 101.9 ly

Position & Identifiers

RA 22h 29m 58.0s
Dec +04° 25' 54.0"
Constellation Peg
HR 8566
HIP 111062
Flamsteed 37 Peg
Double Cat 15988

Visibility

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Multiple Star System

Separation 0.3″
Companion Mag 7.3
Companion Sp F2V
Position Angle 297°
Star Colors A: Yellow-white B: Yellow-white
Discoverer STF2912

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 297° A (5.5) B (7.3)

Sep: 0.3″ · PA: 297° · 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

5.77 F5IV, 7.14 F7IV, 143.0y, a = 0.746" or 140.0y, a = 0.75". Combined mag., colors.
A4, F8, ADS 15988A, 372.4d, K 8.2k/s, V0 0.0k/s, asini 36.8. Poor phase distribution (orbit questioned) according | to Morbey and Griffin (1987, ApJ, 317, 343).
Also classified A7m. K,H,met indicate A8,F1,F2, respectively.
0.018".

Survey Image

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