Team Parkes PSC 2011 Introduction Team Parkes folded

Team Parkes PSC 2011

Introduction • Team Parkes folded the experiences and information imparted by PSC instructors, scientists, and mentors to establish a method of attacking the data most efficiently and to answer the question, “Is it a pulsar or is it Memorex? ” Team Parkes’ members determined the most effective approach to analyze data sets. During this initial phase of the data analysis process, team members rated plots. When a plot scored two or higher, the entire team was assembled for input. Team Parkes studied the interesting plots making a final determination. Team members shared data sets to speed the process. Of all the data sets analyzed, five plots were flagged as worthy of further investigation.

Divide and Conquer • Every team member used Duncan’s Pulsar technique (or some form of it) The Man, the Myth, the Legend… Dunc’s Rule of Thumb reduced x 2 < 1 bad reduced x 2 < 2 (≈ pulsar/RFI) reduced x 2 > 3 (pulsar/RFI) Image taken from : http: //physics. wvu. edu/people/duncan_lorimer Duncan Lorimer

“Recipe” for Pulsars 1. Time Domain Plot: Are there average pulses? 2. Integrated Pulse Profile: Do the pulses match the Time Domain Plot? 3. Sub-band Plot: Vertical or Horizontal line? (Vertical = possible pulsar, Horizontal = RFI) 4. DM curve: look for a peak > 0 5. Reduced x 2 and Period Image taken from: http: //tvtropes. org/pmwiki. php/Main/Mad. Scientist

1. RA/Dec: 1854 -0649

2. RA/Dec: 1947 -1314

3. RA/Dec: 0049 -0622

4. RA/Dec: 0123 -0622 (P = 0. 97649487 ms)

5. RA/Dec: 0123 -0622 (P =1. 83759364 ms)

Data Distribution Member RFI Candidates Das Poop Total data sets Judy 30 3 87 120 David 15 0 53 68 Bonnie 17 0 51 68 Rick 10 2 90 102 Lee Ann 12 5 52 69 Total 84 10 333 427

Pictures taken from Google images

versus data undetermined Images from: http: //www. purplecrying. info/userfiles/image/Baby%20 in%20 Crib. jpg and http: //citydesk. freedomblogging. com/files/2011/02/grandpa-munster. jpg

Discussion Points Certain Uncertain • Sift through “stuff” to get to a possible candidate • If any of our candidates are pulsars • GBT malfunctioned • Data would have been gathered • GBT was working some of the time • When malfunction began • Good potential candidates • Confirmation • Ton of noise • Causes other than RFI? during our scan

Questions do you have…hmmm? • Are the plots that we didn’t get to run pulsars? • Will they/when will they be followed up? If so, we will be notified. • In the future, time permitting, we would run all of our candidates. Image taken from: http: //1. bp. blogspot. com/-4 l. N 5 Wbx. Bzw/Tb. Imv. Nz. Yw. DI/AAAAABQ/Vgt. E 1 z. Xvj 4 c/s 1600/25917_yoda %255 B 1%255 D. jpg

Parkes…. the team that made the Kessel run in less than 12 parsecs Taken from: http: //3. bp. blogspot. com/_3 Ij. Rgo. GWUBo/TA 14 j 1902 WI/AAAAAl 0/qao. Cn-MRi. CE/s 1600/never-tell-me-the-odds-demotivator. jpg