@article{deubner_phase_1984,
	title = {Phase relations of high degree modes revisited},
	volume = {55},
	issn = {0037-8720},
	url = {https://ui.adsabs.harvard.edu/abs/1984MmSAI..55..135D},
	abstract = {Preliminary results of spectral analyses revealing short-period oscillations of the solar atmosphere are reported. The numerical techniques developed by Endler and Deubner (1983) to compensate for the strongly nonrandom noise signal due to seeing effects in the phase spectra of various Fraunhofer lines are summarized, and synthetic phase spectra are presented and compared with observations. The signatures of running and standing waves at frequencies above 8 mHz are detected, with standing waves most evident in the highest atmospheric layers. Rough estimates based on a simplified model give height difference of about 800 km between the sites of the Mg I 5173-A line and the Fe I 5383-A line and about 3150 km between the site of the Na D(1) line and the reflecting layer. It is inferred that the horizontal magnetic field in this region is too disperse or too weak to affect the short-period acoustic waves.},
	journal = {Memorie della Societa Astronomica Italiana},
	author = {Deubner, F.-L. and Endler, F. and Staiger, J.},
	month = jun,
	year = {1984},
	keywords = {Phase Velocity, Power Spectra, Solar Oscillations, Solar Physics, Solar Spectra, Solar Velocity, Sound Waves, Spectral Signatures, Vibration Mode},
	pages = {135--146},
}

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