We are delighted to announce the online seminar series: Online Meetings on Evolved Stars and Systems (O-MESS), which aims to alleviate the cancellation of many in-person meetings on our beloved compact stars and systems. We hope that O-MESS will bring us, at least virtually, closer together and get you up-to-date on the newest findings in the field of white dwarfs, hot subdwarfs, central stars of planetary nebulae, and related systems. In addition, we expect that O-MESS will inspire you to new ideas, foster collaboration, and, importantly, offer a platform to promote the research of PhD students and non-permanent position holders.

O-MESS will take place bi-weekly at 16:00 Central European Time (CET) on alternate Tuesdays and Wednesdays to enable the largest possible global participation. In exceptional cases when e.g. these times are not convenient for the scheduled speaker, we might reschedule the seminar to another time, but that will always be announced in advance. For those who cannot participate live, we will - with the permission of the speaker - record the talks and upload them to YouTube. We will also offer the option of distributing the videos using a password-protected page.

The first two O-MESS will take place on March 9 (Tuesday) and March 24 (Wednesday). The talks will be held by invited speakers and the program can be found here. Please check this page regularly for updates. In the following meetings, we want to give you the opportunity to share your research. You can present a recently published work, but also preliminary results for which you would like feedback from the communities are welcome. If you would like to give a talk at O-MESS, please have a look here. The deadline for abstract submission is March 15, 2021.

The meetings will run via Zoom and we will share the login details the day before the meeting. For this we ask you to please subscribe to our mailing list.

After the talks and questions, we offer to have a 15-minute virtual coffee-break, where you are invited to join separate rooms and chat if you wish.

Finally, we would like to encourage you to also make your students, other institute members, or whoever else might be interested aware of O-MESS. We hope this seminar series will provide an enjoyable environment where everybody, who is eager to learn about what is going on in our field, is welcome.

The O-MESS organizing committee
Marcelo Miller Bertolami, Ingrid Pelisoli, Roberto Raddi, Nicole Reindl

O-MESS organizers


Thus far, we received 293 subscriptions from people distributed around 5 continents and we are looking forward to more!

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