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Past internal seminars

The ObAS seminars have moved on-line

From April 3, 2020 until June 26, 2020

Every Friday morning at 10:30 CET 03/4 Nicolas Martin (ObAS) 17/4 Pau Ramos (Barcelona) 24/4 Florent Renaud (Lund) 15/5 Marie Korsaga (Cape Town) 22/5 Zhen Yuan (Shanghai) 29/5 Chervin Laporte...[more]

Precision dating of old stellar populations with helium-burning stars

March 6, 2020
From 10:30 until 12:00

Alessandro Savino ARI Heidelberg The study of nearby resolved galaxies is a source of transformational insights into the mechanisms that regulate galaxy evolution and it provides us with a...[more]

The diffuse intra-cluster component in the Virgo cluster

February 28, 2020
From 10:30 until 12:00

Alessia Longobardi LAM Structure evolution is now understood to be the products of a Hubble time's worth of merging, accretion, and interaction with the surrounding environment. This history is...[more]

Constraints on the High-Redshift Quasar Population from Ongoing Helium Reionization at z~4

February 21, 2020
From 10:30 until 12:00

Gabor Worseck AIP Potsdam Akin to neutral hydrogen, intergalactic singly ionized helium can be probed by Lyman alpha forest spectroscopy of quasars. The advent of GALEX and HST/COS have...[more]

The new phase space complexity of old stellar systems

February 14, 2020
From 10:30 until 12:00

Anna Lisa Varri University of Edinburgh Our traditional interpretative picture of the internal dynamics of ancient star clusters has been recently revolutionized by a series of discoveries about...[more]

Deuterated Species as Tracers of Star Formation

February 7, 2020
From 10:30 until 12:00

Laurent Pagani Observatoire de Paris In the ‘70s, while several groups were trying to measure various isotopic ratios in dark clouds (13C/12C, 18O/17O/16O,...), it was quickly realized that the...[more]

Deciphering the formation & structure of the Milky Way from chemo-dynamics and cosmological simulations

January 31, 2020
From 10:30 until 12:00

Francesca Fragkoudi MPA Garching   Embedded in the chemo-dynamical properties of stellar populations in the inner Milky Way (MW), are clues to the formation history of our Galaxy. By combining...[more]

Fullerenes, graphenes, PAHs Polycyclic aromatics and the Diffuse Interstellar Bands

January 24, 2020
From 10:30 until 12:00

Bernard Foing ESA/ESTEC   C60 was discovered in 1985 from a mass spectrometer peak  by Kroto, Curl, Smalley & al,, for which they got the Nobel Prize in Chemistry in 1996. It was then produced in...[more]

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Jul 1 2020

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May 13 2020

The ObAS seminars have moved online, every Friday morning at 10:30 here The program of the coming...

Oct 9 2020

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Jul 21 2020

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