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UID:158de384aefdd8e023178579262c323d
CATEGORIES:Guest Speaker Night
CREATED:20160702T020825
SUMMARY:Guest Speaker - Dr Tayyaba Zafar (AAO)
DESCRIPTION:Cold dust forming assemblies of hot stars and galaxies
This topi
c will take you for a quick walk through the Universe. One of the important
challenges in cosmology is to explain the formation of structure in the Un
iverse. More than 30% of the ultraviolet and optical light from the stars a
nd galaxies in the Universe may be absorbed and reradiated thermally at inf
rared and millimeter wavelengths by the obscuring dust. The cool and dusty
sites in the Universe provide seeds for the formation of molecules and orga
nic compounds. These molecular clouds are actually stellar nurseries which
give rise to star formation and its evolution. To study dust extinction and
its properties, among various structures, the highly energetic, Gamma-ray
burst afterglows are excellent probes. This topic will cover that what we k
now about cosmic dust and how do we study it.
Tayyaba Zafar
I was born and bro
ught up in Pakistan. I did my masters in Physics from there. After masters
my fascination to astronomy kept on going and I started reading books and l
ooking things online. Later I applied for PhD positions in astronomy and af
ter an interview and a written test I got selected by the University of Cop
enhagen Denmark for a PhD. After my PhD, I worked in Marseille France as a
Postdoc and then later joined as a postdoc fellow at the European Southern
Observatory, Germany. This gave me opportunity to work with the world class
8meter telescopes in Chile. I recently moved to Australia and presently wo
rking at the Australian Astronomical Observatory and continuing staring the
vast heavens.
My research is mainly focused on studying gas, metals
and dust in the interstellar medium of distant bright galaxies, mostly thro
ugh Gamma-ray bursts, quasars and their intervening absorbers.
X-ALT-DESC;FMTTYPE=text/html:Cold dust forming assemblies of hot stars and galaxies
This topi
c will take you for a quick walk through the Universe. One of the important
challenges in cosmology is to explain the formation of structure in the Un
iverse. More than 30% of the ultraviolet and optical light from the stars a
nd galaxies in the Universe may be absorbed and reradiated thermally at inf
rared and millimeter wavelengths by the obscuring dust. The cool and dusty
sites in the Universe provide seeds for the formation of molecules and orga
nic compounds. These molecular clouds are actually stellar nurseries which
give rise to star formation and its evolution. To study dust extinction and
its properties, among various structures, the highly energetic, Gamma-ray
burst afterglows are excellent probes. This topic will cover that what we k
now about cosmic dust and how do we study it.
Tayyaba Zafar
<
p>I was born and brought up in Pakistan. I did my masters in Physics from t
here. After masters my fascination to astronomy kept on going and I started
reading books and looking things online. Later I applied for PhD positions
in astronomy and after an interview and a written test I got selected by t
he University of Copenhagen Denmark for a PhD. After my PhD, I worked in Ma
rseille France as a Postdoc and then later joined as a postdoc fellow at th
e European Southern Observatory, Germany. This gave me opportunity to work
with the world class 8meter telescopes in Chile. I recently moved to Austra
lia and presently working at the Australian Astronomical Observatory and co
ntinuing staring the vast heavens.
My research is mainly focused on s
tudying gas, metals and dust in the interstellar medium of distant bright g
alaxies, mostly through Gamma-ray bursts, quasars and their intervening abs
orbers.
DTSTAMP:20260717T003824
DTSTART;TZID=Australia/Sydney:20170202T193000
DTEND;TZID=Australia/Sydney:20170202T213000
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