From raffaella.schneider at roma1.infn.it  Mon Feb  1 13:16:37 2021
From: raffaella.schneider at roma1.infn.it (raffaella.schneider at roma1.infn.it)
Date: Mon, 1 Feb 2021 13:16:37 +0100
Subject: [astroseminar@Sapienza] reminder: the first QUID ULTRA colloquia by
 Cecilia Ceccarelli is tomorrow at 16:30
Message-ID: <2D4C4964-9516-4C8B-A008-0598181C4280@roma1.infn.it>

Dear Colleagues,

I apologize if you will receive this message multiple times. 
This is to gently remind you that the first online colloquium of the series: 

Quid Ultra? Frontiers and Controversies in Astrophysics 

will be tomorrow. You can find all the details below and the updated program 
for future colloquia at the link:  https://www.quidultra.it <https://www.quidultra.it/>

Looking forward to seeing you soon, 

Raffaella Schneider (on behalf of the SOC)
  
Prof. Raffaella Schneider
Dipartimento di Fisica "G. Marconi?
Senior Fellow, Scuola Superiore di Studi Avanzati Sapienza
Sapienza, Universit? di Roma
P.le A. Moro 2, 00185 Roma, Italy
raffaella.schneider at roma1.infn.it

????????????????????????????
February 2 2021 at 16:30 
Cecilia Ceccarelli (Universit? Grenoble Alpes, IPAG). 

Title: 
The astrochemical trail of our origin

Abstract:
The Solar System was born 4.5 billions years ago, after a complex process whose details are not fully understood. The large number of detected extrasolar planets tells us that they are a common product of the star formation process, their variety that there are many ways of building them. How can then we recover the path followed by the Solar System?
Understanding the Solar-type star formation process currently taking place in the Milky Way is mandatory to answer this question. Astrochemistry, the science of how atoms and molecules combine  and evolve in the interstellar medium, is a powerful diagnostics to follow the evolution that turns a molecular cloud dense clump into a planetary system. But it can only be exploited once we know how to interpret the chemistry occurring in the exotic conditions of the interstellar medium, where quantum chemical effects dominate.
In this presentation, I will provide an overview of the major progresses of our understanding in astrochemistry and, more specifically, the one involved in the Solar System formation history.

Join Zoom Meeting https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09 <https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09> 
Meeting ID: 899 3130 6878 
Passcode: 419276
????????????????????????????







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From paolo.pani at uniroma1.it  Tue Feb  2 23:44:09 2021
From: paolo.pani at uniroma1.it (Paolo Pani)
Date: Tue, 2 Feb 2021 23:44:09 +0100
Subject: [astroseminar@Sapienza] Workshop "Primordial Black Holes Confront
	GW Data" - 8-12 Feb 2021
Message-ID: <CADjeKwCLP92g4fjU3m2CtuCcEPRYOps5ZFF5qfCGjGfaeX7JHQ@mail.gmail.com>

Dear Colleagues,

this is the last announcement of the workshop *"Primordial Black Holes
Confront GW Data" (8-12 Feb 2021)*:

https://agenda.infn.it/e/PBH-GW

The workshop will be online. *The Zoom link and further information will be
sent by the end of this week to the participants only*, so if you wish to
attend or to stay updated please register to the workshop by next Sunday.

Cheers,
Paolo Pani
On behalf of the Organizing Committee



-- 
Paolo Pani
Associate Professor
ERC StG Fellow, DarkGRA project
Junior Fellow, Scuola Superiore di Studi Avanzati Sapienza

Physics Department (Marconi Building), 3rd floor, room 334
Sapienza University of Rome
Piazzale Aldo Moro 5 - 00185 Rome (Italy)
+39 06 4991 4472 (int 24472)

-- 
________________________________________________________
Le informazioni 
contenute in questo messaggio di posta elettronica sono strettamente 
riservate e indirizzate esclusivamente al destinatario. Si prega di non 
leggere, fare copia, inoltrare a terzi o conservare tale messaggio se non 
si ? il legittimo destinatario dello stesso. Qualora tale messaggio sia 
stato ricevuto per errore, si prega di restituirlo al mittente e di 
cancellarlo permanentemente dal proprio computer.
The information contained 
in this e mail message is strictly confidential and intended for the use of 
the addressee only.? If you are not the intended recipient, please do not 
read, copy, forward or store it on your computer. If you have received the 
message in error, please forward it back to the sender and delete it 
permanently from your computer system.

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From paolo.pani at uniroma1.it  Sun Feb  7 19:17:13 2021
From: paolo.pani at uniroma1.it (Paolo Pani)
Date: Sun, 7 Feb 2021 19:17:13 +0100
Subject: [astroseminar@Sapienza] Gravity theory webinar Mon Feb 8th 12pm:
 Jonas P. Pereira (Nicolaus Copernicus Astronomical Center,
 Warsaw) "Probing elastic quark phases in hybrid stars"
Message-ID: <CADjeKwB-e5R72nF4ts7XPWek8QF=A8OS5XUnjHT8BTmmjJpEqQ@mail.gmail.com>

Announcement of the next gravity-theory webinar:

*Jonas P. Pereira* (Nicolaus Copernicus Astronomical Center, Warsaw)
Monday, Feb 8th, h12pm

*Title*: Probing elastic quark phases in hybrid stars

*Abstract*: The internal composition of neutron stars is currently unknown.
Due to the possibility of phase transitions in quantum chromodynamics,
stars could be hybrid and have quark cores. In this talk I will discuss
some imprints of elastic quark phases on hybrid stars and possible ways to
probe them. In particular, I'll show that in the simplest case of
unstrained backgrounds a quark elasticity already increases the dynamical
stability window of hybrid stars in the sense that the onset of
instabilities happen at larger central densities than the ones for maximum
masses. As a result, in the conservative case where the shear modulus of a
crystalline quark phase in QCD is taken at face value, the maximum relative
radius dispersion (on top of the perfect-fluid predictions) would be of
just a few percent (less than ~5%) for stable stars exclusively due to the
elasticity of the quark phase. However, in the more agnostic approach where
the estimates for the quark shear modulus only suggest its possible order
of magnitude (due to the many approximations taken in its calculation), the
relative radius dispersion uniquely due to a quark phase elasticity could
be much larger. Finally, I'll discuss what this could mean when it comes to
the probe of a quark phase elasticity with current and future
electromagnetic missions such as NICER, eXTP and ATHENA.

Zoom link:
https://uniroma1.zoom.us/j/81283707469?pwd=SzkyMk5jRm0xcEN3WE5MYVh1RVFtQT09
ID meeting: 812 8370 7469
Passcode: 915450

Cheers,
Paolo

-- 
Paolo Pani
Associate Professor
ERC StG Fellow, DarkGRA project
Junior Fellow, Scuola Superiore di Studi Avanzati Sapienza

Physics Department (Marconi Building), 3rd floor, room 334
Sapienza University of Rome
Piazzale Aldo Moro 5 - 00185 Rome (Italy)
+39 06 4991 4472 (int 24472)

-- 
________________________________________________________
Le informazioni 
contenute in questo messaggio di posta elettronica sono strettamente 
riservate e indirizzate esclusivamente al destinatario. Si prega di non 
leggere, fare copia, inoltrare a terzi o conservare tale messaggio se non 
si ? il legittimo destinatario dello stesso. Qualora tale messaggio sia 
stato ricevuto per errore, si prega di restituirlo al mittente e di 
cancellarlo permanentemente dal proprio computer.
The information contained 
in this e mail message is strictly confidential and intended for the use of 
the addressee only.? If you are not the intended recipient, please do not 
read, copy, forward or store it on your computer. If you have received the 
message in error, please forward it back to the sender and delete it 
permanently from your computer system.

-- 

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From raffaella.schneider at roma1.infn.it  Tue Feb  9 22:58:29 2021
From: raffaella.schneider at roma1.infn.it (raffaella.schneider at roma1.infn.it)
Date: Tue, 9 Feb 2021 22:58:29 +0100
Subject: [astroseminar@Sapienza] ARC seminar on thursday 11 Februrary at
	16:00
Message-ID: <9167F3AC-539A-45EE-AAC9-D6F2E336DCC5@roma1.infn.it>

Dear Colleagues,

this is to inform you of the upcoming ARC seminar (see details below).

Best regards

Raffaella 

Thursday 11 February 2021, 16:00
Luca Graziani 
(ARC fellow, Sapienza University of Rome) 
?Models of galaxy formation and evolution constrained by gravitational wave events?
https://agenda.infn.it/event/25632/ <https://agenda.infn.it/event/25632/>





 









Prof. Raffaella Schneider
Dipartimento di Fisica "G. Marconi?
Senior Fellow, Scuola Superiore di Studi Avanzati Sapienza
Sapienza, Universit? di Roma
P.le A. Moro 2, 00185 Roma, Italy
raffaella.schneider at roma1.infn.it
Phone: +39 06 4991 4312
Skype: raffasch
https://uniroma1.zoom.us/j/86939793732
Passcode: 789846










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From raffaella.schneider at roma1.infn.it  Thu Feb 11 15:58:15 2021
From: raffaella.schneider at roma1.infn.it (raffaella.schneider at roma1.infn.it)
Date: Thu, 11 Feb 2021 15:58:15 +0100
Subject: [astroseminar@Sapienza] reminder: ARC seminar is starting now
Message-ID: <F483CF75-1C59-4F0C-8E11-7396630F6883@roma1.infn.it>

This is a gentle reminder for the following ARC seminar:

https://agenda.infn.it/event/25632/ <https://agenda.infn.it/event/25632/>

Models of galaxy formation and evolution constrained by gravitational wave events

Luca Graziani (Sapienza, ARC fellow)

ttps://uniroma1.zoom.us/j/89069198807?pwd=NEp2QmNPMTZBTVF5U2h5R1BYb2lsQT09 <https://uniroma1.zoom.us/j/89069198807?pwd=NEp2QmNPMTZBTVF5U2h5R1BYb2lsQT09>


Prof. Raffaella Schneider
Dipartimento di Fisica "G. Marconi?
Senior Fellow, Scuola Superiore di Studi Avanzati Sapienza
Sapienza, Universit? di Roma
P.le A. Moro 2, 00185 Roma, Italy
raffaella.schneider at roma1.infn.it
Phone: +39 06 4991 4312
Skype: raffasch
https://uniroma1.zoom.us/j/86939793732
Passcode: 789846










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From raffaella.schneider at roma1.infn.it  Wed Feb 17 10:15:30 2021
From: raffaella.schneider at roma1.infn.it (raffaella.schneider at roma1.infn.it)
Date: Wed, 17 Feb 2021 10:15:30 +0100
Subject: [astroseminar@Sapienza] Second Quid Ultra colloquium on February 23
 at 16:30 by Razmik Mirzoyan
Message-ID: <014F3F30-7635-4457-B806-3AA0D0ABE81C@roma1.infn.it>


Dear Colleagues,

I apologize if you will receive this announcement multiple times.

We are pleased to announce that the second colloquium of the program QUID ULTRA? Frontiers and Controversies in Astrophysics,
will be on February 23 2021 at 16:30 by Razmik Mirzoyan (Max-Planck-Institute for Physics, Munich).  Title and abstract
are attached below. 

The program QUID ULTRA? Frontiers and Controversies in Astrophysics, a series of monthly prestigious colloquia that will be 
running from early February till December 2021. This initiative has been funded by Sapienza University with the co-sponsorship 
of INAF/Astronomical Observatory of Rome and of the joint PhD program in Astronomy, Astrophysics and Space Science of Sapienza, 
Tor Vergata University and INAF.

Due to the pandemic situation, the first 6 colloquia will be held online via zoom. 
The scientific program and all the information on how to attend the meeting can be found on the project website: www.quidultra.it. 

Looking forward to seeing you soon, 

Raffaella Schneider (on behalf of the SOC)

????????????????
February 23 2021 at 16:30

Razmik Mirzoyan (Max-Planck-Institute for Physics, Munich)

Title: Gamma-Ray Astronomy: The Cross-Road Between Physics and Astrophysics

Abstract:
Thirty-two years ago a report about the measurement of unusual, so-called teraelectronvolt signal from the Crab Nebula captured the attention of the world scientific community. 
The authors reported a flux of so-called gamma-ray photons, where each carried an incredible amount of energy, exceeding that of the well-known X-rays by billion times. 
How and in which processes the nature managed to pack such a huge energy content into single photons remained a mystery for the coming years. 
Researchers used for observations a special technique and instrumentation dubbed as imaging atmospheric Cherenkov telescopes. In the following couple of years not much 
has happened and the community started speculating about the new science of a single source. More researchers joined that effort and already ten years after the initial 
discovery ~10 sources of teraelectronvolt gamma-rays were known. Today this discipline boasts to know more than 200 sources of very different origin, from supernova 
remnants to pulsars, from supermassive active galactic nuclei with black holes in their centre to gamma-ray busts, from binary systems to pulsar wind nebulae. 
A new discipline, the so-called astro-particle physics with diverse instrumentation appeared in the cross-roads between physics and astrophysics. In this lecture we 
will have a closer look to the details of this rapidly evolving, fascinating frontier science.

Join Zoom Meeting
https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09 <https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09>

Meeting ID: 899 3130 6878
Passcode: 419276
????????????????



















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From raffaella.schneider at roma1.infn.it  Mon Feb 22 22:12:31 2021
From: raffaella.schneider at roma1.infn.it (raffaella.schneider at roma1.infn.it)
Date: Mon, 22 Feb 2021 22:12:31 +0100
Subject: [astroseminar@Sapienza] second online Quid Ultra colloquium:
	Tuesday February 23 at 16:30
Message-ID: <19921322-AA42-42D4-BAF1-DEA0D886F81C@roma1.infn.it>

Dear Colleagues,

I apologize if you receive this multiple times. 

This is to gently remind you that the second online colloquium of the series: 

Quid Ultra? Frontiers and Controversies in Astrophysics 

will be tomorrow. You can find all the details below and the updated program 
for future colloquia at the link:  https://www.quidultra.it <https://www.quidultra.it/>

Looking forward to seeing you soon, 

Raffaella Schneider (on behalf of the SOC)
  
Prof. Raffaella Schneider
Dipartimento di Fisica "G. Marconi?
Senior Fellow, Scuola Superiore di Studi Avanzati Sapienza
Sapienza, Universit? di Roma
P.le A. Moro 2, 00185 Roma, Italy
raffaella.schneider at roma1.infn.it <mailto:raffaella.schneider at roma1.infn.it>

????????????????
February 23 2021 at 16:30

Razmik Mirzoyan (Max-Planck-Institute for Physics, Munich)

Title: Gamma-Ray Astronomy: The Cross-Road Between Physics and Astrophysics

Abstract:
Thirty-two years ago a report about the measurement of unusual, so-called teraelectronvolt signal from the Crab Nebula captured the attention of the world scientific community. The authors reported a flux of so-called gamma-ray photons, where each carried an incredible amount of energy, exceeding that of the well-known X-rays by billion times. How and in which processes the nature managed to pack such a huge energy content into single photons remained a mystery for the coming years. Researchers used for observations a special technique and instrumentation dubbed as imaging atmospheric Cherenkov telescopes. In the following couple of years not much has happened and the community started speculating about the new science of a single source. More researchers joined that effort and already ten years after the initial discovery ~10 sources of teraelectronvolt gamma-rays were known. Today this discipline boasts to know more than 200 sources of very different origin, from supernova remnants to pulsars, from supermassive active galactic nuclei with black holes in their centre to gamma-ray busts, from binary systems to pulsar wind nebulae. A new discipline, the so-called astro-particle physics with diverse instrumentation appeared in the cross-roads between physics and astrophysics. In this lecture we will have a closer look to the details of this rapidly evolving, fascinating frontier science.

Join Zoom Meeting
https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09 <https://uniroma1.zoom.us/j/89931306878?pwd=WG5RYlYyZzRSMzJsOFpSRHczWEFCZz09>

Meeting ID: 899 3130 6878
Passcode: 419276
????????????????


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