<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Pieńkowski, D.</style></author><author><style face="normal" font="default" size="100%">Gałan, C.</style></author><author><style face="normal" font="default" size="100%">Tomov, T.</style></author><author><style face="normal" font="default" size="100%">Gazeas, K.</style></author><author><style face="normal" font="default" size="100%">Wychudzki, P.</style></author><author><style face="normal" font="default" size="100%">Mikołajewski, M.</style></author><author><style face="normal" font="default" size="100%">Kubicki, D.</style></author><author><style face="normal" font="default" size="100%">Staels, B.</style></author><author><style face="normal" font="default" size="100%">Zoła, S.</style></author><author><style face="normal" font="default" size="100%">Pakońska, P.</style></author><author><style face="normal" font="default" size="100%">Dȩbski, B.</style></author><author><style face="normal" font="default" size="100%">Kundera, T.</style></author><author><style face="normal" font="default" size="100%">Ogłoza, W.</style></author><author><style face="normal" font="default" size="100%">Dróżdż, M.</style></author><author><style face="normal" font="default" size="100%">Baran, A.</style></author><author><style face="normal" font="default" size="100%">Winiarski, M.</style></author><author><style face="normal" font="default" size="100%">Siwak, M.</style></author><author><style face="normal" font="default" size="100%">Dimitrov, D.</style></author><author><style face="normal" font="default" size="100%">Kjurkchieva, D.</style></author><author><style face="normal" font="default" size="100%">Marchev, D.</style></author><author><style face="normal" font="default" size="100%">Armiński, A.</style></author><author><style face="normal" font="default" size="100%">Miller, I.</style></author><author><style face="normal" font="default" size="100%">Kołaczkowski, Z.</style></author><author><style face="normal" font="default" size="100%">Moździerski, D.</style></author><author><style face="normal" font="default" size="100%">Zahajkiewicz, E.</style></author><author><style face="normal" font="default" size="100%">Bruś, P.</style></author><author><style face="normal" font="default" size="100%">Pigulski, A.</style></author><author><style face="normal" font="default" size="100%">Smela, T.</style></author><author><style face="normal" font="default" size="100%">Conseil, E.</style></author><author><style face="normal" font="default" size="100%">Boyd, D.</style></author><author><style face="normal" font="default" size="100%">Conidis, G. J.</style></author><author><style face="normal" font="default" size="100%">Plauchu-Frayn, I.</style></author><author><style face="normal" font="default" size="100%">Heras, T. A.</style></author><author><style face="normal" font="default" size="100%">Kardasis, E.</style></author><author><style face="normal" font="default" size="100%">Biskupski, M.</style></author><author><style face="normal" font="default" size="100%">Kneip, R.</style></author><author><style face="normal" font="default" size="100%">Hambálek, L.</style></author><author><style face="normal" font="default" size="100%">Pribulla, T.</style></author><author><style face="normal" font="default" size="100%">Kundra, E.</style></author><author><style face="normal" font="default" size="100%">Garai, Z.</style></author><author><style face="normal" font="default" size="100%">Rodriguez, D.</style></author><author><style face="normal" font="default" size="100%">Kamiński, T.</style></author><author><style face="normal" font="default" size="100%">Dubois, F.</style></author><author><style face="normal" font="default" size="100%">Logie, L.</style></author><author><style face="normal" font="default" size="100%">Capetillo Blanco, A.</style></author><author><style face="normal" font="default" size="100%">Kankiewicz, P.</style></author><author><style face="normal" font="default" size="100%">Świerczyński, E.</style></author><author><style face="normal" font="default" size="100%">Martignoni, M.</style></author><author><style face="normal" font="default" size="100%">Sergey, I.</style></author><author><style face="normal" font="default" size="100%">Kare Trandem Qvam, J.</style></author><author><style face="normal" font="default" size="100%">Semkov, E.</style></author><author><style face="normal" font="default" size="100%">Ibryamov, S.</style></author><author><style face="normal" font="default" size="100%">Peneva, S.</style></author><author><style face="normal" font="default" size="100%">Gonzalez Carballo, J. -L.</style></author><author><style face="normal" font="default" size="100%">Ribeiro, J.</style></author><author><style face="normal" font="default" size="100%">Dean, S.</style></author><author><style face="normal" font="default" size="100%">Apostolovska, G.</style></author><author><style face="normal" font="default" size="100%">Donchev, Z.</style></author><author><style face="normal" font="default" size="100%">Corp, L.</style></author><author><style face="normal" font="default" size="100%">McDonald, P.</style></author><author><style face="normal" font="default" size="100%">Rodriguez, M.</style></author><author><style face="normal" font="default" size="100%">Sanchez, A.</style></author><author><style face="normal" font="default" size="100%">Wiersema, K.</style></author><author><style face="normal" font="default" size="100%">Conseil, E.</style></author><author><style face="normal" font="default" size="100%">Menke, J.</style></author><author><style face="normal" font="default" size="100%">Sergey, I.</style></author><author><style face="normal" font="default" size="100%">Richardson, N.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">International observational campaign of the 2014 eclipse of EE Cephei</style></title><short-title><style face="normal" font="default" size="100%">Astronomy and Astrophysics</style></short-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Astrophysics - Solar and Stellar Astrophysics</style></keyword><keyword><style  face="normal" font="default" size="100%">Be</style></keyword><keyword><style  face="normal" font="default" size="100%">binaries: eclipsing</style></keyword><keyword><style  face="normal" font="default" size="100%">circumstellar matter</style></keyword><keyword><style  face="normal" font="default" size="100%">stars: emission-line</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2020</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2020/07/1</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://ui.adsabs.harvard.edu/abs/2020A&amp;A...639A..23P</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">639</style></volume><pages><style face="normal" font="default" size="100%">A23</style></pages><isbn><style face="normal" font="default" size="100%">0004-6361</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Context. EE Cep is one of few eclipsing binary systems with a dark, dusty disc around an invisible object similar to ɛ Aur. The system is characterised by grey and asymmetric eclipses every 5.6 yr that have significant variations in their photometric depth, ranging from ∼0&lt;SUB&gt;.&lt;/SUB&gt;&lt;SUP&gt;m&lt;/SUP&gt;5 to ∼2&lt;SUB&gt;.&lt;/SUB&gt;&lt;SUP&gt;m&lt;/SUP&gt;0. &lt;BR /&gt; Aims: The main aim of the observational campaign of the EE Cep eclipse in 2014 was to test the model of disc precession. We expected that this eclipse would be one of the deepest with a depth of ∼2&lt;SUB&gt;.&lt;/SUB&gt;&lt;SUP&gt;m&lt;/SUP&gt;0. &lt;BR /&gt; Methods: We collected multicoloured observations from almost 30 instruments located in Europe and North America. These photometric data cover 243 nights during and around the eclipse. We also analyzed low- and high-resolution spectra from several instruments. &lt;BR /&gt; Results: The eclipse was shallow with a depth of 0&lt;SUB&gt;.&lt;/SUB&gt;&lt;SUP&gt;m&lt;/SUP&gt;71 in the V band. The multicoloured photometry illustrates small colour changes during the eclipse with a total amplitude of order ∼+0&lt;SUB&gt;.&lt;/SUB&gt;&lt;SUP&gt;m&lt;/SUP&gt;15 in the B - I colour index. We updated the linear ephemeris for this system by including new times of minima, measured from the three most recent eclipses at epochs E = 9, 10, and 11. We acquired new spectroscopic observations, covering orbital phases around the eclipse, which were not observed in the past and increased the data sample, filling some gaps and giving better insight into the evolution of the H&lt;SUB&gt;α&lt;/SUB&gt; and Na I spectral line profiles during the primary eclipse. &lt;BR /&gt; Conclusions: The eclipse of EE Cep in 2014 was shallower than expected, measuring 0&lt;SUB&gt;.&lt;/SUB&gt;&lt;SUP&gt;m&lt;/SUP&gt;71 instead of ∼2&lt;SUB&gt;.&lt;/SUB&gt;&lt;SUP&gt;m&lt;/SUP&gt;0. This means that our model of disc precession needs revision. &lt;P /&gt;Tables A1-A29 are only available at the CDS via anonymous ftp to &lt;A href=&quot;http://cdsarc.u-strasbg.fr/&quot;&gt;http://cdsarc.u-strasbg.fr&lt;/A&gt; (ftp://130.79.128.5) or via &lt;A href=&quot;http://cdsarc.u-strasbg.fr/viz-bin/cat/J/A+A/639/A23&quot;&gt;http://cdsarc.u-strasbg.fr/viz-bin/cat/J/A+A/639/A23&lt;/A&gt;</style></abstract></record></records></xml>