Itziar Aretxaga
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itzimex.bsky.social
Itziar Aretxaga
@itzimex.bsky.social
140 followers 99 following 94 posts
Personal account. Astrophysicist at CAB CSIC-INTA, Spain, on leave from INAOE, Mexico. Director of the International Schools for Young Astronomers at IAU. Project Scientitst of TolTEC at LMT. English/Castellano/Euskara. itziararetxaga.net
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itzimex.bsky.social
Graduation day at Yachay Tech University! We have 32 more #ISYA alumni now! #ISYA46 International School for Young Astronomers 2025 Ecuador 🔭
July 25, 2025 at 10:57 PM
itzimex.bsky.social
We are comanding the 1.6m 🔭 in Pico Dos Dias, Brazil, from Yachay Tech University in #Ecuador at #ISYA46 . We have a bunch of galaxies in our list for tonight.
July 25, 2025 at 1:05 AM
itzimex.bsky.social
Observing night at #ISYA46 in Ecuador with the 1.6m 🔭 in Pico dos Dias, Brazil, lead by Karín Menéndez-Delmestre (Valongo, UFRJ) and her PhD students.
July 24, 2025 at 10:45 PM
itzimex.bsky.social
Today at #ISYA46 we have lectures on Virtual Observatory by Thiago S. Gonçalves @astrogoncalves.bsky.social (Valongo, UFRJ, Brazil) ... lots of progress in the computer room #ISYA
July 23, 2025 at 8:59 PM
itzimex.bsky.social
Today at #ISYA46 , among other topics, how to write a scientific paper by #ISYA Deputy Director David Mota (Univ Oslo, Norway) with lots of interesting bibliography! 🔭
July 18, 2025 at 6:23 PM
itzimex.bsky.social
Students at #ISYA46 designing #Astrotourism activities as part of the Cultural Astronomy course that follows @astro4dev.bsky.social methodology. They are guided by lecturer Nico Vásquez (EPN, #Ecuador) 🔭
July 17, 2025 at 3:53 PM
itzimex.bsky.social
Our local director of #ISYA46 Nicolás Vázquez (EPN, #Ecuador) starts his course on Cultural Astronomy, on the social value of doing #Astronomy 🔭 #ISYA
July 17, 2025 at 3:15 PM
itzimex.bsky.social
But he is also into #Astrophotography : view of the Milky Way from Yachay Tech Univ. campus with a Smartphone, superposing 4sec integration images. Our students cannot say any longer they have not yet seen it with their own eyes #ISYA46 #ISYA 🔭 📷
July 16, 2025 at 1:39 PM
itzimex.bsky.social
It is Igancio Ranea's (Argentina) last lecture on Compact Objects at #ISYA46 in #Ecuador, and he is today doing a through tour on Black Hole physics 🔭 #ISYA
July 16, 2025 at 1:34 PM
itzimex.bsky.social
The 46th #ISYA at the Yachay Tech University, in Ecuador, has gathered 32 students from 11 Latin American & Caribbean countries. The students participating in this 3-week program are meeting with an international team of expert lecturers from 8 countries to enhance their research work. 🔭 #ISYA46
July 15, 2025 at 12:28 PM
itzimex.bsky.social
Karín Menéndez Delmestre (Obs Valongo, Brazil) getting the students at #ISYA46 ready for observations with a 1.6m professional 🔭 in her Observational Astronomy course #ISYA
July 14, 2025 at 8:17 PM
itzimex.bsky.social
Juan Rafael Martínez Galarza (CfA, USA), an #ISYA alumni from 2005, is starting his course on Machine Learning for #Astrophysics at #ISYA46 in #Ecuador 🔭
July 14, 2025 at 5:06 PM
itzimex.bsky.social
Ignacio Ranea (Univ. Nac. La Plata, Argentina) is starying today his course on Compact Objects at #ISYA46 in Ecuador #ISYA 🔭
July 11, 2025 at 3:47 PM
itzimex.bsky.social
Today Sandro Bressan (SISSA, Italy) starts his Stellar Evolution course at #ISYA46 in Ecuador 🔭 #ISYA
July 9, 2025 at 2:44 PM
itzimex.bsky.social
Today @ #ISYA46 we have started the courses on Radioastronomy 🔭 by Helga Denés and Python for Astronomy by Wladimir Banga Barragán, both from Uni Yachay Tech, Ecuador #ISYA
July 8, 2025 at 8:22 PM
itzimex.bsky.social
Students at #ISYA46 are now split into groups to start projects they will have to develop throughout the school and present towards the end. Here they are led by tutors Helga Denés (YTU, Ecuador) and Fernando Buitrago (U. Valladolid, Spain). #ISYA 🔭
July 7, 2025 at 9:01 PM
itzimex.bsky.social
Laurence Sabin (IA-UNAM, Mexico) is starting her course on Interstellar Medium at #ISYA46 , the first lecture of the 🔭 #ISYA #astronomy #school
July 7, 2025 at 3:10 PM
itzimex.bsky.social
We are starting today the 46th International School for Young Astronomers 🔭 (#ISYA46) at Yachay Tech University in #Ecuador #ISYA with 30 students from 11 Latin Ametican & Caribbean countries
July 7, 2025 at 2:44 PM
itzimex.bsky.social
The 47th International School for Young Astronomers will be in Taipei, from November 17 to December 5, 2025. We invite applications to attend this school from students in their early MSc/PhD studies in Asian countries. The deadline for applications is July 1, 2025. 🔭

iau.org/Iau/News/Ann...
April 9, 2025 at 2:31 PM
itzimex.bsky.social
Mi foto en el calendario AMISUB, en el mes de abril. Dos lobos marinos californianos, entrelazados en su juego. La Lobera, Espíritu Santo, Baja California Sur. La foto está sacada con una Canon Powershot G7 X Mark II con luz natural, ISO 200, f/7.1, 1/125s. 🦑📸 🌿
April 2, 2025 at 1:59 PM
itzimex.bsky.social
19 de febrero de 10 a 22hr (hora Madrid) se celebra la VII edición de "Chatea con una Astrónoma" 🔭 por el Día Internacional de la Mujer y la Niña en Ciencia, organizada por la Comisión Mujeres y Astronomía de la Sociedad Española de Astronomía. #WomenInSTEM Participa. ¡Yo también participaré!
February 11, 2025 at 12:56 PM
itzimex.bsky.social
The IAU Office for Young Astronomers (OYA) 🔭would like to introduce you to 'Badjáneaddji Násti', the new ISYA (International School for Young Astronomers) Newsletter.

You can read the first edition here:
iau.org/static/files...
January 6, 2025 at 9:41 AM
itzimex.bsky.social
Precioso calendario 2025 de la Asociación Mexicana de Imagen Subacuática (AMISUB) sobre la vida marina 🦑 del Golfo de #México . Participo con una fotografía de dos lobos marinos (Zalophus californianus) entrelazados que juegan.
#UnderwaterPhotography
Fotografía de un lobo marino que juega con una estrella de mar, portada del calendario 2025 de la Asociación Mexicana de Imagen Subacuática dedicado al Golfo de California. Galería de fotos de la vida marina del Golfo de California en el calendario de la AMISUB, dedicado a la memoria de Roger Mas. Dos lobos marinos entrelazados juegan en la Lobera, Isla Espíritu Santo, Baja California.
December 19, 2024 at 11:07 AM
itzimex.bsky.social
A school of tarpons (Megalops Atlanticus) among the pillars of the oilrig Tiburones, #Veracruz #Mexico . 1st position in AMISUB photo contest for compact cameras in 10/2024. #addOcean 🦑 #UnderwaterPhotography
An underwater photo of a school of tarpons among the pillars of an oilrig. The water surface is slso seen in the background.
December 15, 2024 at 8:39 AM
itzimex.bsky.social
#5 Trust, Hernán Díaz 💙📚
December 14, 2024 at 12:54 PM