Time domain science and LSST follow ‐ up in South Africa (+ SKA) Stephen Potter South African Astronomical Observatory.

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Presentation transcript:

Time domain science and LSST follow ‐ up in South Africa (+ SKA) Stephen Potter South African Astronomical Observatory

I I

I I 1.9m SAAO PMTs <20% QE 10m VLT CCD >90% QE

The POLAR IGRJ

Optical (near-uv to near-ir) Astronomy: Various small SA telescopes: 1.9m, 1.0m, 0.75m, 0.5m… Other small telescopes jointly operated: e.g. with Japan 1.4m IRSF Small (automated) telescopes: UK, Germany, USA, Poland SALT owned by international consortium Sutherland Observing Station

7 antennas, L-band ( MHz) Jan 2008: Project start May 2009: First antenna installed on site Dec 2009: Fringes April 2010: First Image Oct 2010: ESKOM power on site Oct 2010: Cold receiver installation Nov 2010: 10 Mbps link to CT Dec 2011: Engineering completion KAT-7 (MeerKAT prototype)

SA is committed to completing MeerKAT construction by 2016 Award of 64-dish MeerKAT antenna contract MeerKAT roads & infrastructure under construction Subsystem development on track Work on integration of MeerKAT with SKA is proceeding ( dishes) MeerKAT

Meer KAT Large Survey Projects Radio Pulsar Timing (Bailes) LADUMA - ultra deep HI survey (Blyth, Holwerda, Baker) MESMER - high redshift CO (Heywood) MeerKAT Absorption Line Survey (Gupta, Srianand) MHONGOOSE - nearby HI (de Blok) TRAPUM - fast transients and pulsars (Stappers, Kramer) HI Survey of Fornax Cluster (Serra) MeerGAL - high frequency galactic plan survey (Thompson, Goedhart) MIGHTEE - deep continuum (van der Heyden, Jarvis) ThunderKAT - explosive / "slow" transients (Woudt, Fender)

SKA Site Decision SKA1SKA2 SKA1_LOWANZSKA2_LOWANZ SKA1_MIDRSASKA2_MIDRSA SKA1_SurveyANZSKA2_AARSA Most of the telescope will be built in Africa MeerKAT and ASKAP pathfinders to be incorporated into SKA Phase 1 Details still to be negotiated. SKA1_Mid: 64 MeerKAT dishes + ~190 SKA dishes SKA1_Survey: 36 ASKAP dishes + ~60 SKA dishes

SKA Dishes in the 5km "Core"

Population density in RSA