[AAA] Recordatorio: Viernes 3 de diciembre 10:00hs: Ciclo de Seminarios LLAMA-IAFE

[CARLOS ALBERTO VALOTTO]

Estimadas y estimados colegas,

Nos ponemos en contacto con ustedes para invitarlas/os al sexto
encuentro del Ciclo de Seminarios que estamos organizando para que las
comunidades astronómicas de Argentina y Brasil empiecen a tomar contacto
con el proyecto LLAMA.
Este ciclo tiene lugar los primeros viernes de cada mes, de 10 a 12 hs, en
formato virtual.

Para mayor información:
https://llamaobservatory.org/seminars2021/

La participación online en los seminarios se realizará a través de la
plataforma Zoom.

El próximo encuentro será el *viernes 3 de diciembre de 2021*, con el
siguiente cronograma:


*10:00 hs:  Paul Ho,   (EAO and ASIAA)Growth of Submillimeter Wavelength
Astronomy in Taiwan.*
The development of radio astronomy in Taiwan began almost thirty years ago,
with the establishment of the Institute of Astronomy and Astrophysics
within the Academia Sinica.  We started our training of students with BIMA,
and then joined the construction of the SMA
as the first major radio project.  This was followed by the construction of
AMiBA, and the partnership with ALMA, the partnership with EAO on operating
the JCMT, and finally the deployment of the GLT to Greenland.   We focused
on submillimeter wavelength astronomy
because it was the last frontier for radio astronomy on the high frequency
end, where the advantages of strong dust emission and an abundance of
spectral lines made for possibilities of discovery.  At the end of the 20th
century, radio techniques focused on interferometry
in order to achieve very high angular resolution, culminating in the EHT
studies which involved SMA, JCMT, ALMA, and GLT.  In the 21st century,
single dish radio astronomy has become important once again because of wide
field imaging capabilities as provided by cameras
such as the SCUBA2 on JCMT.   In this talk, we look at the choices which we
made in Taiwan in order to develop modern astronomy there.


*11:00 hs: Caius L. Selhorst (NAT - Núcleo de Astrofísica, Universidade
Cidade de São Paulo)*
*The solar radio behaviour through the cycles*

In this work we review some solar cycle characteristics observed at radio
wavelengths, such as, limb brightening and radius. Whereas the variation of
the solar radius at radio frequencies indicates the heating of the solar
atmosphere due to solar activity, the limb brightening intensity depends on
the organization of the polar magnetic field of the Sun, including the
global dipole and the features formed around it. The observations used in
these analyses were mainly obtained at 17 GHz by the Nobeyama
Radioheliograph (NoRH) and at 212 and 405 GHz by the Solar
Submillimeter-wave Telescope (SST).
 .
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Para unirse al encuentro:

Join Zoom Meetinghttps://us02web.zoom.us/j/88141490114?pwd=b0k4K01JM1VHbzM2aTFuZDFpNHdhUT09

Meeting ID: 881 4149 0114
Passcode: 639515

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Las/os esperamos

Comité organizador del Ciclo de Seminarios LLAMA

Silvina Cichowolski (IAFE)
Germán Cristiani  (IAFE)
Nicolás Duronea (IALP)
Laura Suad  (IAFE)
Carlos Valotto (IATE)


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