On the discovery of K I 7699 A line strength variation during the 1982 - 1984 eclipse of Epsilon Aurigae

Abstract

The discovery of K I 7699Å line strength variations during the 1982-1984 eclipse of ε Aurigae is described. The equivalent widths and radial velocities of the K I 7699Å line derived from spectra obtained during 1981 November to 1983 July with the 2.1-meter Otto Struve reflector telescope of the McDonald observatory are presented.

References in corpus (13)

• In the Shadow of the Transiting Disk: Imaging epsilon Aurigae in Eclipse
• Modelling the light-curve of KIC 12557548b: an extrasolar planet with a comet like tail
• An Extreme Analogue of $\epsilon$ Aurigae: An M-giant Eclipsed Every 69 Years by a Large Opaque Disk Surrounding a Small Hot Source
• Discovery of an unusual bright eclipsing binary with the longest known period: TYC 2505-672-1 / MASTER OT J095310.04+335352.8
• Interferometry of $\epsilon$ Aurigae: Characterization of the asymmetric eclipsing disk
• OGLE-BLG182.1.162852: An Eclipsing Binary with a Circumstellar Disk
• OGLE-LMC-ECL-11893: The discovery of a long-period eclipsing binary with a circumstellar disk
• Effects of dust on light-curves of εAur type stars
• A search for eclipsing binaries that host discs
• 2D Monte-Carlo Radiative transfer modeling of the disk shaped secondary of Epsilon Aurigae
• On the eclipsing binary ELHC 10 with occulting dark disc in the Large Magellanic Cloud
• K I 7699 Å and related shell lines during the recent eclipse of $\epsilon$ Aurigae
• Spectroscopy of ε Aurigae during the 2009-2011 eclipse