The Weird Detector
April 18, 2019
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9:50Now PlayingThe Weird Detector
YouTube Description
as posted by the channelArguably the greatest scientific discoveries are the unexpected ones. The discoveries that defy explanation and for which no theory or model predicted. Yet, looking for such signals is incredibly challenging. How can you look for something when you don't know what it looks like? This has been a problem we've thought about a lot here in the Cool Worlds Lab at Columbia University and this week we're thrilled to share the outcome of a new research project in this area. Graduate student Adam Wheeler presents the "Weird Detector" - an algorithm capable of finding the truly weird signals lurking in astronomical data!
Our paper can be found at:
► Wheeler, Adam & Kipping, David (2019), "The Weird DetectorFlagging periodic, coherent signals of arbitrary shape in time series photometry", MNRAS, 485, 5498
Video materials and graphics used:
► Night sky time lapse
► Milky Way animation by Stefan PayneWardenaar
► Oumuamua animation
► Kepler video available at the NASA Kepler homepage
► TESS video available at the NASA TESS homepage
► Binary Stars
► James Davenport starpot simulation
► Sunspot footage from NASA Solar Dynamics Observatory
► Binary orbit gallery by Adrian PriceWhelan
► EarthMoon tidal bulge animation by Kevin Gill
► Flare and complex flare figures from Davenport et al. (2014)
► Comet video from
► TESS comet video
Filmclips, in order of appearance;
► Star Trek, The Next Generation
► Music from Neptune Flux, "We Were Never Meant to Live Here" by Chris Zabriskie (); licensed under a Creative Commons Attribution license ()
► Cylinder Eight () by Chris Zabriskie (); licensed under a Creative Commons Attribution license ()
► Background song 3 is "Waking Up" by Atlas, licensed through SoundStripe.com
And also...
► Columbia University Department of Astronomy
► Cool Worlds Lab website
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