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X-WR-CALNAME:Osservatorio Astronomico di Roma
X-ORIGINAL-URL:https://www.oa-roma.inaf.it
X-WR-CALDESC:Eventi per Osservatorio Astronomico di Roma
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TZID:Europe/Rome
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TZOFFSETFROM:+0100
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TZNAME:CEST
DTSTART:20180325T010000
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TZNAME:CET
DTSTART:20181028T010000
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TZNAME:CEST
DTSTART:20190331T010000
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DTSTART:20191027T010000
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DTSTART:20200329T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20190305T114500
DTEND;TZID=Europe/Rome:20190305T124500
DTSTAMP:20260410T014402
CREATED:20180728T055834Z
LAST-MODIFIED:20180728T055834Z
UID:4271-1551786300-1551789900@www.oa-roma.inaf.it
SUMMARY:colloquium - Francesco Massaro
DESCRIPTION:
URL:https://www.oa-roma.inaf.it/event/colloquium-francescao-massaro/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20190305T114500
DTEND;TZID=Europe/Rome:20190305T124500
DTSTAMP:20260410T014402
CREATED:20180728T055834Z
LAST-MODIFIED:20190223T062348Z
UID:4761-1551786300-1551789900@www.oa-roma.inaf.it
SUMMARY:Flipping a fair coin to decipher the large-scale environment of radio galaxies
DESCRIPTION:The role played by the large-scale environment in the nuclear activity of radio galaxies  is still not completely understood. Accretion mode\, jet power\, and galaxy evolution are connected with their large-scale environment on scales from tens to hundreds of kiloparsecs. I am presenting a detailed statistical analysis of the large-scale environment for two samples of radio galaxies in the local Universe (i.e.\, up to redshift 0.15).\nI will discuss on a direct search of galaxy-rich environments around radio galaxies by using them as beacons. To carry out this study a new method\, that does not appear to suffer cosmological biases and artifacts\, as other algorithms\, was developed. I conclude that\, despite their radio morphological classification (FRI versus FRII) and/or their optical classification (high- or low-excitation radio galaxy\, i.e.\, HERG or LERG)\, radio galaxies in the local universe tend to live in galaxy-rich large-scale environments that have similar characteristics and richness. I will then show that properties of large-scale environments of both FRIs and FRIIs do not depend by the property of central radio galaxy. Finally\, I will provide an estimate of the X-ray parameters that can be derived from optical observations to plan future follow up campaigns.
URL:https://www.oa-roma.inaf.it/event/colloquium-francescao-massaro-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20190312T114500
DTEND;TZID=Europe/Rome:20190312T124500
DTSTAMP:20260410T014402
CREATED:20180725T070413Z
LAST-MODIFIED:20180725T070413Z
UID:4174-1552391100-1552394700@www.oa-roma.inaf.it
SUMMARY:colloquium - Roberto Speziali
DESCRIPTION:
URL:https://www.oa-roma.inaf.it/event/colloquium-roberto-speziali/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20190312T114500
DTEND;TZID=Europe/Rome:20190312T124500
DTSTAMP:20260410T014402
CREATED:20180725T070413Z
LAST-MODIFIED:20190226T062537Z
UID:4758-1552391100-1552394700@www.oa-roma.inaf.it
SUMMARY:LBT - Italia
DESCRIPTION:LBT – ITALIA è un’organizzazione formata da un team di ricercatori dell’INAF che ha come obiettivo la gestione delle osservazioni al LARGE BINOCULAR TELESCOPE. A distanza di sette anni dall’inizio delle operazioni\, si fornirà una panoramica della strumentazione e si descriverà l’attività del gruppo illustrando i risultati ottenuti.\nAl termine del seminario\, ampio spazio verrà dato alla discussione al fine di ricevere feddback da parte degli utenti\nche hanno già usufruito dei servizi di LBT-ITALIA e rispondere alle domande in vista della imminente apertura della call 2019-2020.
URL:https://www.oa-roma.inaf.it/event/colloquium-roberto-speziali-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20190314T114500
DTEND;TZID=Europe/Rome:20190314T124500
DTSTAMP:20260410T014402
CREATED:20190111T175301Z
LAST-MODIFIED:20190211T095351Z
UID:5165-1552563900-1552567500@www.oa-roma.inaf.it
SUMMARY:Neutrinos from a blazar jet and the birth of non-stellar neutrino astronomy
DESCRIPTION:IceCube has recently reported the discovery of high-energy neutrinos of astrophysical origin\,\nopening up the PeV (10^15 eV) sky. These observations are challenging to interpret on the\nastronomical side and have triggered a fruitful collaboration across particle and astro-physics.\nI will discuss the very recent association between high-energy IceCube neutrinos and the\nblazar TXS 0506+056\, reporting on how this result fits with the work done by our group over\nthe past five years. I will then present the “big picture”\, explain why this this association is\nvery important for astronomy\, and discuss some very recent results on the nature of TXS 0506+056.\nThe talk is self-contained\, requires no previous knowledge of neutrinos or blazars\, and has been\nprepared for a very broad audience.
URL:https://www.oa-roma.inaf.it/event/colloquium-paolo-padovani/
LOCATION:OAR Monte Porzio Catone – aula Gratton\, Via Frascati 33\, Roma\, RM\, 00136\, Italia
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20190319T114500
DTEND;TZID=Europe/Rome:20190319T124500
DTSTAMP:20260410T014402
CREATED:20181109T150936Z
LAST-MODIFIED:20190318T090252Z
UID:4950-1552995900-1552999500@www.oa-roma.inaf.it
SUMMARY:How quasars affect the formation of the bright cluster galaxy and the circum-galactic medium
DESCRIPTION:AGN activity is considered a fundamental phase of the evolution of the massive galaxies. The accretion onto a SMBH generates a great amount of energy in the form of radiation\, outflows and radio jets that affects both the ISM and CGM. In this talk\, I present the results of two multi-wavelength studies aimed at exploring how nuclear activity affect the formation of the bright cluster galaxy and the circum-galactic medium at high redshift. Firstly\, I will report on the multi-band analysis of the galaxy population in the very dense core (~70 x 70 kpc^2) of one of the most massive galaxy clusters at z ~ 1.6. We are able to shed light on the early\, poorly-explored phase of the assembly of the Brightness Cluster Galaxy (BCG) in a region with high AGN and merger activity.\nI will also report on the properties of both an extended (150 kpc) and luminous (10^44 erg/s) Lya nebula and the associated CIV extended (70 kpc) emission around a hyper-luminous quasar at z~3.6. Our analysis of kinematics of the Lya nebula suggests the presence of a spatially coherent blueshifted (~1000 km/s) component on several tens of kpc scales which we interpret as one of the first indications of an AGN-driven outflow propagating on circum-galactic scales.
URL:https://www.oa-roma.inaf.it/event/colloquium-andrea-travascio/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20190326T114500
DTEND;TZID=Europe/Rome:20190326T124500
DTSTAMP:20260410T014402
CREATED:20181008T060951Z
LAST-MODIFIED:20181008T060951Z
UID:4432-1553600700-1553604300@www.oa-roma.inaf.it
SUMMARY:colloquium - Elena Valenti
DESCRIPTION:
URL:https://www.oa-roma.inaf.it/event/colloquium-elena-valenti/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
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