Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing...
Transcript of Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing...
![Page 1: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/1.jpg)
Optimal Frequency Ranges for SubMicrosecond Precision
Pulsar TimingMichael T. Lam
Transformative Science with GBO, 17 Oct 2017
![Page 2: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/2.jpg)
FrequencyDependent Effects
![Page 3: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/3.jpg)
FrequencyDependent Effects
Lorimer & Kramer 2005
![Page 4: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/4.jpg)
Frequency Optimization
Lam et al. 2017, submitted
![Page 5: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/5.jpg)
BR: Dolch et al. 2014
![Page 6: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/6.jpg)
BR: NANOGrav Data
![Page 7: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/7.jpg)
BR: Cordes et al 2016
MR: Cordes et al 1986
TR: Lam et al 2016b
![Page 8: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/8.jpg)
BR: Green Bank RFI Scans
TR: Gentile et al in prep
![Page 9: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/9.jpg)
Frequency Optimization
Lam et al. 2017, submitted
![Page 10: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/10.jpg)
Frequency Optimization
Lam et al. 2017, submitted
![Page 11: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/11.jpg)
Frequency Optimization
Lam et al. 2017, submitted
![Page 12: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/12.jpg)
Frequency Optimization
Lam et al. 2017, submitted
![Page 13: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/13.jpg)
Frequency Optimization
Lam et al. 2017, submitted
![Page 14: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/14.jpg)
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
![Page 15: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/15.jpg)
![Page 16: Optimal Frequency Ranges for SubMicrosecond Precision Pulsar …2017. 10. 17. · Pulsar Timing Michael T. Lam Transformative Science with GBO, 17 Oct 2017. ... 150 100 UT [June 23]](https://reader035.fdocuments.in/reader035/viewer/2022070300/6149b5d012c9616cbc68f02e/html5/thumbnails/16.jpg)
Extra Slides