Spectroscopy of the cataclysmic variable ES Ceti
K. Bakowska, T.R. Marsh
TL;DR
This paper reports a spectroscopic study of the ultracompact binary ES Ceti, revealing double-peaked helium emission lines indicative of an accretion disk, based on extensive observations with a large telescope.
Contribution
It provides detailed spectroscopic data and analysis of ES Ceti, confirming the presence of an accretion disk through emission line profiles.
Findings
Double-peaked helium emission lines observed
Evidence of an accretion disk in ES Ceti
Extensive spectral data collected over two nights
Abstract
We present results of our spectroscopic campaign dedicated to the ultracompact binary ES Ceti. On the nights 2002 Oct. 27-28, 528 spectra were taken with the 6.5-meter telescope in Las Campanas Observatory in Chile. The averaged spectrum shown the double-peaked helium emission lines which imply the presence of an accretion disk in this system.
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Taxonomy
TopicsAstrophysics and Star Formation Studies · Astrophysical Phenomena and Observations · Stellar, planetary, and galactic studies