1
µFUN Coordination in Chaos (An Brief History
on) How a Planet was Discovered

• Subo Dong
• The Ohio State University
• Microlensing Follow-Up Network

2
Theoretically
3
Daily Alerts
OGLE/MOA
MicroFUN in Action
Home base
Other Groups (PLANET/RoboNet, etc)
Daily CTIO
Analysis
High-mag/Anomaly?
Data Reductions
MicroFUN Observers
4
May 16th, Prelude to the Discovery
UT 1035 OGLE-243 is binary, should we drop it?
OGLE-270 too crowded?
OGLE-08-270
Scott
UT 1042 Yeah, I agree on OGLE-243, but OGLE-270
is interesting.
Andy
UT 853 OGLE-270, OGLE-243 anomaly!
UT 916 OB243 anomaly confirmed
OGLE-08-243
OGLE
Ian (MOA)
5
May 16th, Prelude to the Discovery
MOA-198
Scott
Andy
Subo
6
May 16th, Prelude to the Discovery
UT 17 Fog is now causing 5 mags of extinction.
Only Jupiter is visible now
Grant
Berto
UT12 Fixing tracking More MOA-198, Fog is
coming, look at OGLE-270?
UT 1911, clouded out
Jennie
Subo
Yeah, lets do OGLE-270!
UT 16 OGLE-270 is either peaking in 3 hrs at
very high-mag or anomalous, priority override
MOA-198
Andy
7
May 17th , by the noon (US)
UT 15 Blonde Dah! it appears I copied
the incorrect file hahaha, anyway the correct
data is now on its way  Jennie - blonde and
lacking sleep )
Didnt have cable, so Guy observed MB198 previous
night!
8
May 17th , Planet!
Request Override from CTIO
UT 2313 Clear anomaly! No seeing correlation!
UT 2329 Beautifully confirmed by Kumeu, Very
likely to be a planet
Andy
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Aftermath
May 27th
10
Coordination

• Conclusions
• I wish I dont have to sleep
• Have a wristwatch running UT
• Maybe everyone should try Daves coffee while
  observing?

Isnt this a planet???