Finding Extra-Solar Planets

Post on 25-May-2015

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We found the first confirmed planet outside our solar system in 1992. Since then, we've found almost 600. Why'd it take us so long to find exoplanets? And once we'd started, why'd we find so many? Caution: presentation contains gratuitous references to My Little Pony: Friendship is Magic. (To fully follow along with this presentation, please grab the presentation script from http://granades.com/2011/09/12/talking-science-at-dragoncon-2011/ ‎)

Transcript of Finding Extra-Solar Planets

Photo of Giordano Bruno courtesy Berthold Werner

1584

1990

PSR B1257+12

SephirothLimit

Break!

1990

PSR B1257+12

Artist’s rendition courtesy R. Hurt/NASA

1992

1994

Artist’s rendition of PSR B1620-26b courtesy Greg Bacon/NASA

PSR B1620-26b

1995

51 Pegasi b

1989

1991

1993

1995

1997

1999

2001

2003

2005

2007

2009

2011

0

20

40

60

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100

120

ImagingMicrolensingTransitRadial VelocityPulsar Timing

573 total

planets

Exoplanet HuntersWatching Stars Wobble and Dim

Stephen Granadestephen@granades.com

http://granades.com@sargent on Twitter

(“Uranus” like Goatse?)

1790

Possibly a vampire

1841

1845

1859

Stupid red matter

Picture courtesy Mysid

Picture courtesy Slack12

Spinning Pulsar is represented by

Pinkie Pie

(not to scale)

GAMMA RADIATION

Sonic Rainboom is like Doppler Spectroscopy

1989

1991

1993

1995

1997

1999

2001

2003

2005

2007

2009

2011

0

20

40

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120

ImagingMicrolensingTransitRadial VelocityPulsar Timing

Fluttershy is also afraid of her own

shadow

1999

HD 209458

OGLE-TR-56

2002

You could see a

Brundlefly

Figure courtesy S. Gaudi and D. Bennett

Close-up Rarity represents gravity

lensing

Photo courtesy Krzysztof Ulaczyk

OGLE

OGLE-2003-BLG-235L

Picture courtesy the ESO

2M2107

1RXS J160929.1−21052

4

Pulsar Timing

Doppler Spectroscop

y

Transit

Gravitational

Lensing

DirectObservation

Painting courtesy the ESO

Painting courtesy CNES/D. Ducros

Painting courtesy NASA/Wendy Stenzel

1,235 candidates!

Image courtesy NASA/Jason Rowe

Where Else to See Me

• Evil Geniuses for a Better TomorrowSat @ 1:00 PM, Hilton Crystal

Ballroom• WhatTheCast Live!

Sun @ 2:30 PM, Hilton 204• Helicopter Drone Units

Sun @ 5:30 PM, Hilton 208/209• RevCast Live!

Mon @ 1:00 PM, Hilton 204