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R Aql

Observable Variable Star Showpiece (78/100)

Range: 5.5 - 12.0, Period: 268.8d, Type: M

HIP 93820 VariableStar Aquila (Aql) Visible Level 1 Naked eye / Binoculars - Monitor brightness changes
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Physical Properties

Magnitude 6.09
Range 5.5 - 12.0
Period 269 days
Variable Type Mira (Long-period Pulsating)
Spectral Type M7IIIe
Star Color Red (B-V 1.60)

Position & Identifiers

RA 19h 06m 22.2s
Dec +08° 13' 48.0"
Constellation Aquila (Aql)
HR 7243
HIP 93820
Variable ID R Aql

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Spectral Classification

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Stellar Absorption Spectrum

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Stellar Notes

M 5.5 - 12.0v, 284.2d. Period changes 348.980 - 0.554202n + 0.000552309n2 from JD 2399190. Radio flare detected | in this position.
OH and H2O emission. IR spectra show water vapor. OH, H2O and SiO maser. Also classified M5e-M9e.

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