AAO Colloquia

The AAO organises frequent colloquia at our North Ryde headquarters. These are usually held Thursday morning at 11:00 am, though other dates are occasionally scheduled. We welcome talks from visiting astronomers - if you are passing through Sydney and would like to tell us about your work, please fill out the AAO Visitor Form. The ATNF (Australia Telescope National Facility) also organises colloquia at their Epping offices. A schedule for these talks can be found on the ATNF Colloquia webpage. The AAO and ATNF occasionally organise Joint Colloquia when the speaker is likely to be of interest to both radio and optical communities. These talks will be found in both the list below, and the ATNF schedule. A list of past speakers can also be found below.

Next Scheduled AAO Colloquium

Phillip Kirby, speaking on "Development of a stitching interferometer for metrology of large optical components.", to be held in the AAO Meeting Room (Room 7, 1st Floor, Building 2) at 11:00AM on Monday 2nd March, 2015.
Abstract:
Characterization of optical components using an interferometer is typically limited by the size of the available reference surface. Sub-aperture stitching (SAS) is a technique used to measure large flats by "stitching" multiple overlapping measurements together. In this talk, I'll outline the development of a stitching interferometer in the integration lab here at the AAO, which is capable of rapidly characterizing components up to 300mm in diameter. Testing has shown the system can measure surface flatness (RMS) with an uncertainty of approximately 2%. The stitching software has been written in Python.

 

Upcoming Scheduled Colloquia

DateTimeLocationSpeakerTitle
Monday 2nd March, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Phillip Kirby (AAO Summer Student)Development of a stitching interferometer for metrology of large optical components.
Thursday 5th March, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Phillip Lah (ANU)The Cosmic Evolution of Neutral Atomic Hydrogen Gas
Thursday 19th March, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Anna Frebel (TBA)TBA

Past Colloquia

DateTimeLocationSpeakerTitle
Thursday 26th February, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Joseph Rodriguez (Vanderbilt University)KELT: The Little Telescope Performing BIG Science
Friday 20th February, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Toby Hendy and Jessica Todd (AAO)Low surface brightness imaging with the Huntsman eye - A talk by the Spiderlings
Wednesday 18th February, 201510:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Rhiannon Gardiner and Conor O'Neil (Gemini Observatory)AGUSS Student Seminiars (9AM not 10AM)
Monday 16th February, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Prof Katherine Blundell (University of Oxford)TBA
Thursday 5th February, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Peter Wizinowich (Keck Observatory, Hawaii, USA)Adaptive Optics at W. M. Keck Observatory
Tuesday 3rd February, 201502:00PMAAO Meeting Room (Room 7, 1st Floor, Building 2)Hayley Macpherson (AAO Summer Student)Radial velocities and membership analysis of stars within NGC 5617 and Trumpler 22
Tuesday 27th January, 201502:00PMAAO Meeting Room (Room 7, 1st Floor, Building 2)Henry Poetrodjojo (AAO Summer Student)Astrometry and calibration of the 2dF robotic positioner
Friday 16th January, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Andrew Bunker (ANU / University of Oxford)High Redshift Galaxies and the Epoch of Reionization
Thursday 15th January, 201511:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Chiaki Kobayashi (ANU / U Herfordshire)Cosmological simulations with AGN feedback
Wednesday 10th December, 201411:00AMAAO Meeting Room (Room 7, 1st Floor, Building 2)Tomas Ruiz-Lara (Universidad de Granada, Spain)Shedding light into the faintest parts of spiral galaxies. Stellar content in the outer regions.
Show all past colloquia