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Seimei 3.8m-Telescope GAOES-RV / MIDSSAR Exposure Time Calculator

Input flux spectrum

Instrument: GAOES-RV only   GAOES-RV + MIDSSAR
magnitude: Power law Spectral index: (Sν ~ ν-α)
Redshift: Blackbody Temperature: K
Template (from the UVKLIB spectral library)

Setting & Conditon

Seeing size: arcsecond

Telescope Elevation: degree

Total exposure time: seconds.

MIDSSAR split exposures (used only in GAOES-RV + MIDSSAR mode): Ca II H&K exposures; Hα exposures.

Akito Tajitsu, 18 September, 2026

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