Related by context. Frequent words. (Click for all words.) 62 z = 60 photometry 58 spectroscopic 57 interferometric 56 keV 56 irradiance 56 infrared wavelength 56 metallicity 56 absorbance 56 photometric 55 redshift 55 Conductivity 55 ultraviolet wavelengths 55 photometer 54 interferometry 54 WFPC2 54 spectra 54 NICMOS 53 redshifts 53 elemental composition 53 luminous flux 53 photoluminescence 52 radial velocity 52 cm -1 52 anisotropy 52 ionised 52 kelvin 52 diffraction pattern 51 phonon 51 visible wavelengths 51 spectral 51 GeV 51 MeV 51 isotropic 51 μm 51 colorimetric 51 electron density 50 ionizing 50 radiometer 50 solar corona 50 shorter wavelengths 50 micrometre 50 dispersive 50 picosecond 50 plasmon 50 tropospheric 50 Fig. 1A 50 electrophoretic 49 XMM Newton 49 electromagnetic EM 49 FRET 49 fluorophores 49 X ray fluorescence 49 active galactic nuclei 49 spectrographs 49 infrared wavelengths 49 optical wavelengths 49 γ 49 co2 49 gravitational wave 49 #ppm [002] 49 Spectroscopy 48 spectroscopy 48 UHPLC 48 stable isotope 48 infrared radiation 48 isotopic 48 isotopic composition 48 sorption 48 LOFAR 48 radiative 48 amplitudes 48 spectrometry 48 fluence 48 z axis 48 gravitational lens 48 microwave radiation 48 mol 48 Fluorescence 48 Type Ia supernovae 47 Raman spectroscopy 47 ultraviolet 47 near infrared NIR 47 nanosized 47 femtosecond 47 isotope ratios 47 ionisation 47 1kHz 47 emission 47 #μm [001] 47 brown dwarfs 47 gamma ray 47 micrometer 47 sulfur hexafluoride 47 InGaN 47 voxel 47 PCR amplification 47 stimulated emission 47 aerosol particles 47 infrared spectroscopy 47 multispectral