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  • The Wolf-Rayet phenomenon in the Universe (conference - 2nd announcement)

Conference dates: June 19th - 23rd, 2023

Important dates:

Abstract submission date: April 27th 2023
Early registration fee (before March 24th): $ 280 USD

Scientific rationale: Our understanding of the Wolf-Rayet phenomenon has undergone significant observational and theoretical progress in recent years. Sophisticated radiative transfer models are now routinely used to interpret the spectral signatures of Wolf-Rayet and related emission line stars, helping to deepen our understanding of their structure and, at the same time, their impact on the ISM. Photometric and spectroscopic surveys have substantially increased the observational sample of Wolf-Rayet stars in the Milky Way and nearby galaxies. The recent detection of gravitational waves and the recognition of Wolf-Rayet stars as the potential progenitors of some black hole-black hole mergers has reaffirmed the dominant role of massive star evolutionary processes in defining final products that are at the center of multi-messenger phenomena. This conference continues a series of recent meetings specifically dedicated to Wolf-Rayet stars initiated with the Wolf-Rayet Workshop 2015 in Potsdam, Germany.

It is an opportune moment to bring together the experts in the field to discuss its recent progress, open issues, and future perspectives. The meeting is also aimed at encouraging more scientists to join the research efforts on Wolf-Rayet stars within the broader astrophysical context.

Conference Program: The scientific program will consist of few review talks, many contributed talks, and discussions. A small number of posters will also be displayed.

Topics: We particularly welcome contributed talk proposals in the topics of:
-Wolf-Rayet phenomena
-Wind Models
-Structure and evolution of WR stars
-Wolf-Rayet Binaries
-WR nebulae (Feedback)
-[WR]-type stars and PNe
-Wolf-Rayet populations in other galaxies
-WR and gravitational waves
-Stripped stars and their link to WR stars

Scientific Organizing Committee (SOC): You-Hua Chu, Wolf-Rainer Hamann, Lidia Oskinova, Philip Massey, Nidia Morrell, Nicole St-Louis, Jesús Toalá

Venue: Centro Cultural Universitario, Morelia, Mexico.

The conference will be held in the capital of the state of Michoacán in Mexico. Morelia has been declared a UNESCO World Heritage Site due to its magnificent well-preserved colonial buildings.

Morelia is located 4 hours away from Mexico City by bus. It also has an international airport that connects with several cities in the USA, as well as domestic flights from Mexico City.

More on the Venue (Centro Cultural Universitario - UMSNH - Morelia):

More on Morelia:


  • Announcing the 2023 La Serena School for Data Science

We are happy to announce that applications for the 2023 "La Serena School for Data Science: Applied Tools for Data-driven Sciences" are open. The school is a great opportunity for students to learn statistical and computational tools for working in the "Big Data" paradigm. This year, the school will be hosted during August 7-17. The school is aimed to advanced undergraduate and early graduate students in Astronomy, Physics, Statistics, Math, Computer Science, Biology and related fields. Students currently in US and Chilean institutions are eligible for full or partial scholarships. Please, encourage your students to apply! Feel free to distribute this message to professors or student who may find this information relevant.

For more information, please visit our website at:



Valeria Mesa, on behalf of the Organizing Committee
Post-Doctoral Fellow
Association of Universities for Research in Astronomy (AURA) / Universidad de La Serena (ULS)


  • Workshop SAN2023

Nos complace anunciar la realización del tercer workshop SAN, Southern Astrophysics Network, durante los días 25 y 26 de abril en Ciudad Universitaria, CABA.
El SAN reúne a especialistas en astrofísica observacional y teórica de Argentina, Brasil y Chile.
Todos los detalles del evento pueden encontrarse en la página del mismo:
Un saludo cordial,
LOC (Susana Pedrosa - Lucas Bignone - Martín Makler)


  • 1st ICTP-Trieste/DF-UBA Giambiagi Winter School on Cosmology

Dear colleagues and friends,

We are pleased to announce the first ICTP-Trieste/DF-UBA Giambiagi Winter School on Cosmology.

The School will take place at the Faculty of Exact and Natural Sciences, Buenos Aires University, during 17-28 July 2023.

This school is a joint activity by ICTP-Trieste and DF-UBA with the goal of providing an introduction to the current state of research in cosmology and astroparticle physics. It is geared toward graduate students as well as more senior non-expert researchers interested in the field.

The topics include CMB, Dark Matter, Gravitational Waves, Statistical Methods, Inflation and Structure Formation.

Lecturers include

M. AMIN, Rice University, USA
C. DVORKIN, Harvard University, USA
M. SIMONOVIĆ, CERN, Switzerland

More information and online registration at:
A limited number of grants are available to support the attendance of selected participants, with priority given to participants from developing countries. There is no registration fee. Note that the for applicants requesting financial and/or visa support is April 1, 2023.

We would be grateful if you could circulate this announcement in your Institutes and share it with your students and collaborators.

With kind regards

Susana Landau and Diana Lopez Nacir


  • Galaxy Groups and Clusters III, La Serena, May 15-19

Dear all,

I hope this email finds you well.

It is a pleasure to announce the meeting "Galaxy Groups and Clusters III: Laboratories to study galaxy evolution" which will be held in the Universidad de La Serena, La Serena, Chile, during May 15, 16, 17, 18, 19, 2023.

The main motivation of this meeting is to discuss recent results related to the evolution of galaxies in different environments, such as groups and clusters of galaxies, from an observational and theoretical point of view. In this third edition, participants are encouraged to highlight the potential of multiwavelength surveys, 3D spectroscopy, and advanced simulations in the study of galaxy evolution in these environments.

As in the previous versions, there is no registration fee and you can register and find more information in:

We hope that you can register and participate in the third version of "Galaxy Groups and Clusters: Laboratories to study galaxy evolution"

All the best,

Sergio Torres Flores, on behalf of the local organizing committee.


  • Registration open for the 43rd International School for Young Astronomers in Tonantzintla, México.

The 43rd International School for Young Astronomers, ISYA2023Mx, will take place in Tonantzintla, Mexico, from the 17th of July to the 4th of August 2023. The International School for Young Astronomers (ISYA) is a long-tradition project of the International Astronomical Union (IAU), nowadays also co-sponsored by the Norwegian Academy of Science and Letters (NASL) through the Office for Young Astronomers (OYA). The 43rd school is co-organized by the OYA, and the Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE).

We invite applications to attend this School from students in their early MSc/PhD studies and some senior undergraduates in the Americas, especially from Latin American and Caribbean countries.

The 43rd ISYA aims to broaden the attending young students' perspective on Astronomy from their exposure to an intensive three-week program of lectures with up-to-date astrophysics, both on theory and observations, led by an international team of experts. Students will learn about different astronomical fields, from exoplanets to cosmology, and acquire technical expertise to analyze current astronomical data and models, mainly from accessible and large databases. An exciting possibility for areas of the world that do not have access to telescopes is to carry out quality research with the enormous variety of astrophysical databases that are freely available to the community. Therefore, this is one of the main objectives of this school: to show students what kind of projects and science can be done with these databases.

The official language of the School will be English.

Although the ISYA is not a research conference, we encourage students to submit posters to present a summary of their research projects.

Apart from the academic school activities, students will also have the opportunity to experience the archaeological, artistic and scientific environments of the central valleys of Mexico through a series of cultural visits, events and travels.

We will accept around 30 young astronomers, and they will be granted scholarships to cover travel from the home cities and the entire board during the School. All selected students are expected to commit 100% of their time to the three-week long program and participate in all scheduled activities.

Registration is now open at:



Estimados/as colegas:

A continuación transcribo información sobre la próxima edición del encuentro "Friends of Friends" (FoF) que tendrá lugar en el Observatorio Astronómico de Córdoba en abril de 2023.

FOF 2023


  • The Wolf-Rayet phenomenon in the Universe (conference - 1st announcement)

Dear all,

We are happy to announce the conference "The Wolf-Rayet phenomenon in the Universe" that will be held in Morelia, Mexico, at the Centro Cultural Universitario on June 19-23, 2023:

Please share this message with people you think might be interested. You will find the first announcement below.

Best regards,

Jesús A. Toalá
on behalf of the SOC


  • JEHA II - Primera Circular  

Primera Circular


  • Historia de la Astronomía

Se ha agregado una nueva entrada en Historia de la Astronomía en el siguiente enlace:



Actualizado el 20/03/2023