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Exploring the Unknown with CASPER Instrumentation Andrew Siemion CASPER Workshop 2011. Kara Kundert Glen Langston Matt Lebofsky Arielle Little David MacMahon Ron Maddalena Geoff Marcy Peter McMahon Imke de Pater Zac Rzesniowiecki Laura Spitler Jill Tarter Josh Von Korff Mark Wagner
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Exploring the Unknown with CASPER Instrumentation Andrew Siemion CASPER Workshop 2011
Kara Kundert Glen Langston Matt Lebofsky Arielle Little David MacMahon Ron Maddalena Geoff Marcy Peter McMahon Imke de Pater Zac Rzesniowiecki Laura Spitler Jill Tarter Josh Von Korff Mark Wagner Dan Werthimer Dave Anderson Marin Anderson Geoff Bower Jeff Cobb Jim Cordes Henry Chen Gregory Delory Paul Demorest Matt Dexter Terry Filiba John Ford Griffin Foster Abhimat Gautam Andrew Howard Eric Korpela
Kara Kundert Glen Langston Matt Lebofsky Arielle Little David MacMahon Ron Maddalena Geoff Marcy Peter McMahon Imke de Pater Zac Rzesniowiecki Laura Spitler Jill Tarter Josh Von Korff Mark Wagner Dan Werthimer Dave Anderson Marin Anderson Geoff Bower Jeff Cobb Jim Cordes Henry Chen Gregory Delory Paul Demorest Matt Dexter Terry Filiba John Ford Griffin Foster Abhimat Gautam Andrew Howard Eric Korpela Dan Werthimer
Kara Kundert Kara Kundert Glen Langston Matt Lebofsky Arielle Little David MacMahon Ron Maddalena Geoff Marcy Peter McMahon Imke de Pater Zac Rzesniowiecki Laura Spitler Jill Tarter Josh Von Korff Mark Wagner Dan Werthimer Dave Anderson Marin Anderson Geoff Bower Jeff Cobb Jim Cordes Henry Chen Gregory Delory Paul Demorest Matt Dexter Terry Filiba John Ford Griffin Foster Abhimat Gautam Andrew Howard Eric Korpela Marin Anderson Zac Rzesniowiecki Abhimat Gautam
The Allen Telescope Array Fly’s Eye Search for Fast Radio Transients
Siemion et al, “The Allen Telescope Array Fly’s Eye Search for Fast Radio Transients,” ApJ in press, arXiv:1109.2659
Broadband Pulses e p e e p p e p p e e p e e p p p e
H2O O2 Galactic Synchrotron Background Ionospheric Reflection
Kepler SETI Band 16 to 27 cm 1.1 to 1.9 GHz
18 cm hyperfine OH 21 cm hyperfine H “Water Hole”
Green Bank Ultimate Pulsar Machine (GUPPI) 8 bit sampling ➡ 2 bit quantization Raw ‘baseband’ recording 800 MHz bandwidth, 2 polarizations ~ 1 gigabyte/second to disk
Observations 5 minute targeted observation of especially interesting KOIs:
Observations 5 minute targeted observation of especially interesting KOIs: ‘Traditional’ HZ: -50 C < Teq< 100 C
Observations 5 minute targeted observation of especially interesting KOIs: ‘Traditional’ HZ: -50 C < Teq< 100 C Ncandidates > 4
Observations 5 minute targeted observation of especially interesting KOIs: ‘Traditional’ HZ: -50 C < Teq< 100 C Ncandidates > 4 Small, long period P > 50d && Rp < 3 RE
Observations 11 hour raster scan of the entire Kepler field. 5 seconds per 10’ beam Total Data set ~50 TB
Kepler Search Analysis Locally Performed Synthesized coarse filterbank Incoherent dispersed pulse search Synthesized high resolution spectrometer Incoherent Doppler drift search Abhimat Gautam, see Poster SETI@Home Astropulse
Sensitivity at 10σ: Broadband Pulses EIRP x 106 @ 1000 ly Narrowband Emission ~1650 ly SEFD = 10 Jy tintegration=150s tpulse=10s
The Allen Telescope Array Search for Electrostatic Discharge on Mars
The Allen Telescope Array Search for Electrostatic Discharge on Mars Ruf et al, GRL, 2009
+ Peter McMahon 2008
HiTREKS - High Time Resolution Kurtosis Spectrometer Peter McMahon 2008
Super-Giant Crab Pulses Glenn Jones Main Pulse Inter Pulse R. Karuppusamy et al, 2010
Super-Giant Crab Pulses Main Pulse 400 MHz full Stokes ROACH Spectrometer Main Pulse Inter Pulse Inter Pulse 3.6m Leuschner Observatory Radio Telescope R. Karuppusamy et al, 2010 Zac Rzesniowiecki, see Poster
Super-Giant Crab Pulses Main Pulse 400 MHz full Stokes ROACH Spectrometer See Poster Main Pulse Questions? Inter Pulse Inter Pulse 3.6m Leuschner Observatory Radio Telescope R. Karuppusamy et al, 2010 Zac Rzesniowiecki, see Poster