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spectrum   Menkalinan - HD 40182 - magn.: 1.9

Telescope: 0.28-m  f/10 (C11 Cassegrain)

Spectroscope: LHiResIII with 2400 l/mm grating

Calibration with internal Ar/ne

Calibration RMS: 0.117 A (lin)

Resolving Power: 12600

Exposure: 5 x 300 s

SNR:

Velocity graph of this spectroscopic  binary star