02E−144E−146E−148E−1480010001200140016001800200002E−144E−146E−148E−14
HST COS G140LAll Abutted Spectra(Level 4 HLSP)ULLYSES Products Preview for NGC-3109-EBU-20Wavelength (Å)Flux (erg/s/cm​2/Å)Flux (erg/s/cm​2/Å)Single Grating CoadditionSingle Instrument, Multiple Grating​* AbutmentLevel 2 HLSPLevel 3 HLSP*Gratings with similar resolutions Linear ScaleLog Scale