optimal frequency ranges for submicrosecond precision pulsar …2017. 10. 17. · pulsar timing...
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Optimal Frequency Ranges for SubMicrosecond Precision
Pulsar TimingMichael T. Lam
Transformative Science with GBO, 17 Oct 2017
FrequencyDependent Effects
FrequencyDependent Effects
Lorimer & Kramer 2005
Frequency Optimization
Lam et al. 2017, submitted
BR: Dolch et al. 2014
BR: NANOGrav Data
BR: Cordes et al 2016
MR: Cordes et al 1986
TR: Lam et al 2016b
BR: Green Bank RFI Scans
TR: Gentile et al in prep
Frequency Optimization
Lam et al. 2017, submitted
Frequency Optimization
Lam et al. 2017, submitted
Frequency Optimization
Lam et al. 2017, submitted
Frequency Optimization
Lam et al. 2017, submitted
Frequency Optimization
Lam et al. 2017, submitted
Points to Remember
Wideband receiver > System Temperature ↑ ↑
Multiple receivers can provide coverage
Do NOT reduce bandwidth
Timing RMS can be very different
PTA optimization is an ongoing effort
Extra Slides
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