SLIDE 1
Outline
- Host galaxies for Fast
Radio Bursts
- UTMOST and
UTMOST2D
- CASPER SNAP F engine
SNAP f-engine for UTMOST2D Kathryn Plant - - PowerPoint PPT Presentation
SNAP f-engine for UTMOST2D Kathryn Plant - - PowerPoint PPT Presentation
SNAP f-engine for UTMOST2D Kathryn Plant CASPER 15 /8/2017 Outline Host galaxies for Fast Radio Bursts UTMOST and UTMOST2D CASPER SNAP F engine for UTMOST2D Fast Radio Bursts
SLIDE 2
SLIDE 3
Fast Radio Bursts
Lorimer D., Bailes M., McLaughlin M., et al 2007, Science, 318,777
Lorimer Burst
Time Frequency
SLIDE 4
Gemini r-band magnitude 25 Chatterjee et al. 2017
Locating host galaxies
SLIDE 5
Molonglo Observatory Synthesis Telescope
- Cylindrical paraboloid
reflectors
- 18000 square meter
surface area
- 2 perpendicular arms,
1.6km long
SLIDE 6
UTMOST: Existing System
4.64⁰ 2.14 ⁰ 352 fanbeams
7.8 Square Degree Field of View
- East-West arm only
- 352 Modules
- 22 circularly polarised ring antenna
per module
- SKAMP custom receiver boards
SLIDE 7
UTMOST 2D
- Double the bandwidth
- Dual polarisation
- Led by Adam Deller at
Swinburne University
- New receivers in 5
sections of the North- South arm
SLIDE 8
Upgrade will send RF signal over optical fibre
SLIDE 9
Upgrade will send RF signal over optical fibre
SNAP
SLIDE 10
CASPER SNAP F-engine
SKAMP SNAP
SLIDE 11
Bandpass sampling: 9th Nyquist Zone
UTMOST band 9th Nyquist Zone
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RFI Environment
- Canberra
- Mobile phone handsets
- Mobile phone base
stations
Frequency [MHz] Power 750 800 850 900 UTMOST2D I I
SLIDE 13
CASPER SNAP f-engine
- 10.6 microsecond time
resolution
- 8 tap PFB
- 94kHz frequency
resolution
- 97.06 MHz sampled band,
use ~60MHz for science
- 1.4Gb/s data rate per
SNAP
SLIDE 14
Preliminary Tests using Vela
SLIDE 15
Conclusion
- UTMOST2D aims to
find Fast Radio Bursts and their host galaxies.
- The North-South arm
will use SNAP boards and RFoF.
- A CASPER f-engine is
ready to go for UTMOST2D.
SLIDE 16