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List of exoplanet firsts

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List of exoplanet firsts

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This is a list of exoplanet discoveries that were the first by several criteria, including:

the detection method used,
the planet type,
the planetary system type,
the star type,

and others.

The first

The choice of “first” depends on definition and confirmation, as below. The three systems detected prior to 1994 each have a drawback, with Gamma Cephei b being unconfirmed until 2002; while the PSR B1257+12 planets orbit a pulsar. This leaves 51 Pegasi b (discovered and confirmed 1995) as the first confirmed exoplanet around a normal star.

Title

Planet

Star

Year

Notes
First detected exoplanet later confirmed

Gamma Cephei Ab

Gamma Cephei

1988 (suspected), 2002 (Confirmed)

First evidence for exoplanet to receive later confirmation.
First exoplanets to be confirmed

PSR B1257+12 BPSR B1257+12 C

PSR B1257+12

1992

First super-earths.[1]

However, these exoplanets orbit a pulsar rather than a normal star.

First confirmed exoplanet around normal star

51 Pegasi b

51 Pegasi

1995

First convincing exoplanet discovered around a Sun-like star.[2] While the minimum mass of HD 114762 b was high enough (11 Jupiter-masses) that it could be a brown dwarf, 51 Peg b’s minimum mass meant that it almost certainly was near the mass of Jupiter.

By discovery method

First discovery by a method

Title

Planet

Star

Year

Notes
First planet discovered via pulsar timing

PSR B1257+12 BPSR B1257+12 C

PSR B1257+12

1992

First super-earths.[1]First planet discovered via radial velocity

51 Pegasi b

51 Pegasi

1995

First convincing exoplanet discovered around a Sun-like star.[2] While the minimum mass of HD 114762 b was high enough (11 Jupiter-masses) that it could be a brown dwarf, 51 Peg b’s minimum mass meant that it almost certainly was near the mass of Jupiter.
First planet discovered via transit

OGLE-TR-56 b

OGLE-TR-56

2002

[3] This was also the second planet detected through transiting,[3] and the then farthest planet known at time of discovery.[3] The first extrasolar planet discovered to be transiting was HD 209458 b, which had already been discovered by the radial velocity method.[3][4]First planet discovered via gravitational lensing

OGLE-2003-BLG-235L b

OGLE-2003-BLG-235L / MOA-2003-BLG-53L

2004

This was discovered independently by the OGLE and MOA teams.[5]First exoplanet discovered by directly imaging the extrasolar planet

2M1207 b

2M1207

2004/

2005

May be a brown dwarf instead of a planet, depending on formation mechanism and definitions chosen.[6]First planet discovered through variable star timing

V391 Pegasi b

V391 Pegasi

2007

The planet was discovered by examining deviations from pulsation frequency from a subdwarf star.[7]First extrasolar planet discovered by indirect imaging (visible light)

Fomalhaut b

Fomalhaut

2008

Discovered by a light reflecting off of a dust cloud surrounding the planet.[8] First planet orbiting an ABO star.
First extrasolar planet discovered by astrometric observations

HD 176051 b

HD 176051 A or HD 176051 B

2010

Orbits around one of the stars in a binary star system although it is not known which component it is orbiting around.
First exoplanet discovered by orbital perturbations of another planet

Kepler-19c

Kepler-19 (KOI-84, TYC 3134-1549-1)

2011

Detected through transit-timing variation method. Its existence was inferred by the gravitational influence it had on the orbital periodicity of Kepler-19b.[9][10]First exoplanets discovered by orbital phase reflected light variations

Kepler-70b, Kepler-70c [11]
Kepler-70

2011

First exoplanet discovered by transit-duration variation method

Kepler-88c

Kepler-88 (KOI-142)

2013

Both transit timing variation and transit-duration variation was measured to measure deviations from the regular orbit of Kepler-88b. Deviations of the planet’s transit duration and timing helped to discover Kepler-88c.[12]

By detection method

First detection by a method

Title

Planet

Star

Year

Notes
First planet detected via pulsar timing

PSR B1257+12 BPSR B1257+12 C

PSR B1257+12

1992

[1]First planet detected via radial velocity

51 Pegasi b

51 Pegasi

1995

[2]First planet detected by transit method

HD 209458 b

HD 209458

1999

This first exoplanet found to be transiting had already been discovered by the radial velocity method. This is also the first planet that has been detected through more than one method.[3][4]First directly imaged extrasolar planet (infrared)

2M1207 b

2M1207

2004

May be a sub-brown dwarf instead of a planet, depending on formation mechanism and definitions chosen. If it is a planet, it is the first known planet around a brown dwarf.
First planet with observed secondary eclipse (infrared)

HD 209458 b

HD 209458

2005

Planet was discovered in 1999. This is the first detection of light from an object with a clear planetary origin.
First directly imaged extrasolar planet orbiting a ‘normal’ star (infrared)

DH Tau b

DH Tau

2005

[13] Revised masses place it below the deuterium-burning limit. May be a brown dwarf companion.
First extrasolar planet detected through polarimetry

HD 189733 b

HD 189733

2008

Could not be confirmed. Possibly a “Saharan dust event over the La Palma observatory in 2008 August”.[14] HD 189733 b was discovered in 2005.
First directly imaged extrasolar planet orbiting a sun-like star (infrared)

1RXS J160929.1−210524 b

1RXS J160929.1−210524

2008

[15] Revised mass places it at or above the deuterium-burning limit. May be a sub-brown dwarf instead of a planet, depending on formation mechanism and definitions chosen.
First planets directly characterized through astrometric observations

Gliese 876 b and Gliese 876 c

Gliese 876

2009

First planet detected by orbital phase reflected light variations in visible light

CoRoT-1b[16]
CoRoT-1

2009

The planet in question had already been discovered with transit method.
First planets detected through ellipsoidal light variations of the host star

HAT-P-7b

HAT-P-7b

2010

[17]First planets detected through transit timing variation method

Kepler-9b, Kepler-9c

Kepler-9

2010

Transit-timing variation was used to confirm both planets detected through transit method.[18]First planet detected through transit duration variation method

Kepler-16b
Kepler-16

2011

Orbital motion of the stars causes transits of both components of Kepler-16 to deviate significantly.
First planet detected with eclipsing binary timing with well-characterized orbit

Kepler-16b

Kepler-16

2011

Kepler-16b itself was detected through transit method. There are stars with earlier detections through eclipsing binary timing. However, either those signals have matched with unstable orbits or the exact orbits are not known.[19]First planet detected by light variations due to relativistic beaming

TrES-2b

TrES-2

2012

[20]First tilted multi-planetary system discovered

Kepler-56b, c and d
Kepler-56

2012 (b, c)2013 (d)

By system type

First discovery by system type

Title

Planet

Star

Year

Notes
First extrasolar planet discovered in a solitary star system

PSR B1257+12 BPSR B1257+12 C

PSR B1257+12

1992

First extrasolar planets discovered.[21]First “free-floating” planet discovered[NB 1]
S Ori J053810.1-023626(S Ori 70)

N/A

2004

[22] Has a mass of 3 MJupiter; needs confirmation.
First planet discovered in a multiple main-sequence star system

55 Cancri b

55 Cancri

1996

55 Cnc has a distant red dwarf companion.
The planet around Gamma Cephei was already suspected in 1988.
Gamma Cephei Ab is the first relatively close binary with a planet.First planet discovered in a circumbinary orbit

PSR B1620-26 b

PSR B1620-26

1993

Orbits a pulsar and a white dwarf. Discovery confirmed in 2003.
First multiple planet extrasolar system discovered

PSR B1257+12 APSR B1257+12 BPSR B1257+12 C

PSR B1257+12

1992

First pulsar planetary system.
First multiple planet system in a multi-star system where multiple planets orbit multiple stars

Kepler-47bKepler-47c

Kepler-47

2012

[23][24]NN Serpentis cataclysmic variable is suspected to have at least 2 planets as of 2009.[25]First planet discovered in globular cluster

PSR B1620-26 b

PSR B1620-26

1993

Located in Messier 4.
First binary star system where both components have separate planetary systems

HD 20781 b HD 20781 c HD 20782 b

HD 20781 HD 20782

2011

By star type

First discovery by star type

Title

Planet

Star

Year

Notes
First pulsar planet discovered

PSR B1257+12 BPSR B1257+12 C

PSR B1257+12

1992

[21][1]First known extrasolar planet orbiting a main sequence star (Sun-like)

51 Pegasi b

51 Pegasi

1995

First hot Jupiter.[21]First known planet orbiting an ABO star (blue-white star)

Fomalhaut b

Fomalhaut

2008

First extrasolar planet discovered by visible light image.
First known planet orbiting a red dwarf

Gliese 876 b

Gliese 876

1998

[26][27]First known planet orbiting a giant star

Iota Draconis b

Iota Draconis

2002

Aldebaran b was announced in 1997, but was not confirmed until 2015.
First known planet orbiting a white dwarf.

PSR B1620-26 b

PSR B1620-26

1993

GD 66 b was announced in 2007, but has not been confirmed.
First confirmed planet orbiting a white dwarf.

WD 1856+534 b

WD 1856+534

2020

First known planet orbiting a brown dwarf.

2M1207 b

2M1207

2004

May in fact be a sub-brown dwarf instead of a planet, depending on formation mechanism and definitions chosen. First directly imaged planet.
First “free-floating” planet discovered[NB 1]
S Ori J053810.1-023626(S Ori 70)

N/A

2004

[22] Has mass of 3 MJupiter; needs confirmation.

By planet type

Firsts by planet type

Title

Planet

Star

Year

Notes
First hot Jupiter

51 Pegasi b

51 Pegasi

1995

First planet discovered orbiting a main sequence star.
First extrasolar terrestrial planet orbiting a main sequence star

Mu Arae c

Mu Arae

2004

Terrestrial nature of this planet is not confirmed, as no radius measurements are available so the density is unknown. The minimum mass is comparable to that of Uranus, which is not a terrestrial planet. The first extrasolar planet known to have a density compatible with being a rocky planet is CoRoT-7b.
First super-earth discovered[NB 2]
PSR B1257+12 BPSR B1257+12 C

PSR B1257+12

1992

[21] First planets discovered.[21]First super-earth orbiting a main sequence star[NB 2]
Gliese 876 d

Gliese 876

2005

Orbits a red dwarf star.
First icy extrasolar planet orbiting a main sequence star

OGLE-2005-BLG-390Lb

OGLE-2005-BLG-390L

2006

Orbits a red dwarf star. The icy nature of this planet is not confirmed, as no radius measurements are available so the density is unknown. The first extrasolar planet known to have a density compatible with being an icy planet is GJ 1214 b, though even for this case there are other possibilities for the composition.
First evaporating planet discovered

HD 209458 b

HD 209458

1999

First transiting planet.[21]First Jupiter analogue

HIP 11915 b

HIP 11915

2015

First gas giant located in outer planetary system of another star; previous gas giants had been discovered, but all closer to their star. The discovery raises the possibility that HIP 11915 will be the first Solar System analogue discovered.
First ocean planet candidate; also first planet within the circumstellar habitable zone

Gliese 581d

Gliese 581

2007

Orbits a red dwarf star. This planet orbits a little too far from the star, but the greenhouse effect would be enough to make this planet habitable. The other ocean planet candidate, GJ 1214 b, was detected by transit in which the density was calculated and determined that this planet is an ocean planet.
First “free-floating” planet discovered[NB 1]
S Ori J053810.1-023626(S Ori 70)

N/A

2004

[22] Has mass of 3 MJupiter; needs confirmation.

Other

Other firsts

Title

Planet

Star

Year

Notes
First extrasolar transiting planet

HD 209458 b

HD 209458

1999

[4]OGLE-TR-56 b is the first planet found by transit method.[3]First map of an extrasolar planet released

HD 189733 b

HD 189733

2007

The map in question is a thermal emission map.[28]First multi-planet extrasolar system directly imaged

HR 8799 bHR 8799 cHR 8799 dHR 8799 e

HR 8799

2008

First planet discovered with a retrograde orbit

WASP-17b

WASP-17

2009

The planet HAT-P-7b was discovered before WASP-17b, but its retrograde nature was announced after that of WASP-17b.
First extrasolar planet with serious potential to support life

Gliese 581g

Gliese 581

2010

This planet may be tidally locked to its parent star, but there could be a habitable band along the terminator. The other candidate is Kepler-22b.
First planet discovered orbiting a Sun-like star in a star cluster

Pr0201b Pr0211b

Pr0201 Pr0211

2012

Beehive Cluster star cluster.[29]First recorded planet-planet transit

Kepler-89d Kepler-89e

Kepler-89

2012

Kepler-89e was partially transiting Kepler-89d.[30]First transiting planet discovered in a star cluster

Kepler-66b Kepler-67b

Kepler-66 Kepler-67

2013

NGC 6811 star cluster; these two planets were, at the time of discovery, only two of six total planets known in star clusters.[31]First map of cloud coverage of an extrasolar planet

Kepler-7b

Kepler-7

2013

Observations indicate cloud coverage in the west and clear skies in the east.[32]First not tidally locked extrasolar planet to have its day length measured

Beta Pictoris b

Beta Pictoris

2014

Rotation speed was calculated to be 8.1 hours.[33]First extrasolar planet system with one transiting and one directly imaged planet

First planet found to contain water in the stratosphere

WASP-121b

WASP-121

2017

[34][35]First earth-mass rogue planet unbounded by any star, and free floating in the Milky Way galaxy.

OGLE-2016-BLG-1928

N/A

2020

Detected by microlensing techniques.[36][37]

See also

List of exoplanets
List of exoplanet extremes
Most earth-like exoplanets

Notes

^ a b c Free-floating objects are not usually considered planets

^ a b The mass range of Super-Earths is disputed

References

^ a b c d Space.com, “Earth-Sized Planets Confirmed, But They’re Dead Worlds”, Robert Roy Britt, 29 May 2003 (accessed 20-10-2010)

^ a b c .mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:”\”””\”””‘””‘”}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:linear-gradient(transparent,transparent),url(“//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg”)right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:linear-gradient(transparent,transparent),url(“//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg”)right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:linear-gradient(transparent,transparent),url(“//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg”)right 0.1em center/9px no-repeat}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:linear-gradient(transparent,transparent),url(“//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg”)right 0.1em center/12px no-repeat}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}Queloz, Didier (2006). “Extrasolar planets: Light through a gravitational lens”. Nature. 439 (7075): 400–401. Bibcode:2006Natur.439..400Q. doi:10.1038/439400a. PMID 16437096. S2CID 4372378.

^ a b c d e f SpaceDaily.com, “Farthest Known Planet Opens the Door For Finding New Earths”, 10 January 2003 (accessed 2010-10-24)

^ a b c PhysOrg.com, “New Era in Planetary Science”, 23 March 2005 (accessed 2010-10-24)

^ Sky and Telescope, “First Planet Found by Microlensing”, Alan M. MacRobert, 16 April 2004 (accessed 2010-10-24)

^ ESO press releases [1] [2]

^ Silvotti, R.; Schuh, S.; Janulis, R.; Solheim, J.-E.; Bernabei, S.; Østensen, R.; Oswalt, T. D.; Bruni, I.; Gualandi, R.; Bonanno, A.; Vauclair, G.; Reed, M.; Chen, C.-W.; Leibowitz, E.; Paparo, M.; Baran, A.; Charpinet, S.; Dolez, N.; Kawaler, S.; Kurtz, D.; Moskalik, P.; Riddle, R.; Zola, S. (2007). “A giant planet orbiting the ‘extreme horizontal branch’ star V 391 Pegasi” (PDF). Nature. 449 (7159): 189–191. Bibcode:2007Natur.449..189S. doi:10.1038/nature06143. PMID 17851517. S2CID 4342338.

^ Kalas, Paul; et al. (2008-11-13). “Optical Images of an Exosolar Planet 25 Light-Years from Earth”. Science. 322 (5906): 1345–8. arXiv:0811.1994. Bibcode:2008Sci…322.1345K. doi:10.1126/science.1166609. PMID 19008414. S2CID 10054103.

^ TG Daily, “‘Invisible’ planet detected”, Kate Taylor, 9 September 2011

^ Time, “Found: A (So Far) Invisible World”, Michael D. Lemonick, 9 September 2011

^ Charpinet, S. and Fontaine, G. and Brassard, P. and Green, EM and Van Grootel, V. and Randall, SK and Silvotti, R. and Baran, AS and Østensen, RH and Kawaler, SD; et al. (2011). “A compact system of small planets around a former red-giant star”. Nature. Nature Publishing Group. 480 (7378): 496–499. Bibcode:2011Natur.480..496C. doi:10.1038/nature10631. PMID 22193103. S2CID 2213885.CS1 maint: multiple names: authors list (link)

^ Nesvorný, David; Kipping, David; Terrell, Dirk; Hartman, Joel; Bakos, Gáspár Á.; Buchhave, Lars A.; Stapelfeldt, Karl; Marois, Christian; Krist, John (2013). “Koi-142, the King of Transit Variations, is a Pair of Planets Near the 2:1 Resonance”. The Astrophysical Journal. 777 (1): 3. arXiv:1304.4283. Bibcode:2013ApJ…777….3N. doi:10.1088/0004-637X/777/1/3. S2CID 59933168.

^ Mass was revised to about 11.5 Jupiter masses in 2006. [3] [4] [5] The object was discovered in 2005. [6]

^ The polarization of HD 189733′

^ Exoplanet ‘circles normal star’, BBC News Online, September 15, 2008

^ Ignas A. G. Snellen; Ernst J. W. de Mooij; Simon Albrecht (2009-05-28). “The changing phases of extrasolar planet CoRoT-1b”. Nature. 459 (7246): 543–545. arXiv:0904.1208. Bibcode:2009Natur.459..543S. doi:10.1038/nature08045. PMID 19478779. S2CID 4347612.

^ Discovery of Ellipsoidal Variations in the Kepler Light Curve of HAT-P-7: William F. Welsh, Jerome A. Orosz, Sara Seager, Jonathan J. Fortney, Jon Jenkins, Jason F. Rowe, David Koch, William J. Borucki

^ http://www.nasa.gov/centers/ames/news/releases/2010/10-73AR.html

^ Overbye, Dennis (2011-09-15). “NASA Detects Planet Dancing With a Pair of Stars”. The New York Times. Retrieved 16 September 2011.

^ Photometrically derived masses and radii of the planet and star in the TrES-2 system: Thomas Barclay, Daniel Huber, Jason F. Rowe, Jonathan J. Fortney, Caroline V. Morley, Elisa V. Quintana, Daniel C. Fabrycky, Geert Barentsen, Steven Bloemen, Jessie L. Christiansen, Brice-Olivier Demory, Benjamin J. Fulton, Jon M. Jenkins, Fergal Mullally, Darin Ragozzine, Shaun E. Seader, Avi Shporer, Peter Tenenbaum, Susan E. Thompson

^ a b c d e f Space.com, “Out There: A Strange Zoo of Other Worlds”, Charles Q. Choi, 14 February 2010 (accessed 2010-10-20)

^ a b c Space.com, “Mysterious Object Might be First Extrasolar Planet Photographed” Archived 2002-06-04 at the Wayback Machine, Robert Roy Britt, 22 May 2002 (accessed 2010-10-24)

^ Space.com, “Newfound ‘Tatooine’ Alien Planet Bodes Well for E.T. Search”, Charles Q. Choi, 4 September 2012 (accessed 5 September 2012)

^ SpaceDaily, “Astronomers Find First Multi-Planet System Around a Binary Star”, 3 September 2012 (accessed 5 September 2012)

^ http://www.aanda.org/index.php?option=com_article&access=standard&Itemid=129&url=/articles/aa/abs/2010/13/aa15472-10/aa15472-10.html

^ Marietta DiChristina (September 1998). “Other Worlds”. Popular Science. pp. 77–79.

^ Xavier Delfosse, Thierry Forveille, Michel Mayor, Christian Perrier, Dominique Naef, Didier Queloz (4 August 1998). “The closest extrasolar planet: A giant planet around the M4 dwarf Gl 876”. Astronomy and Astrophysics (published October 1998). 338: L67–L70. arXiv:astro-ph/9808026. Bibcode:1998A&A…338L..67D.CS1 maint: uses authors parameter (link)

^ Knutson, Heather A.; David Charbonneau; Lori E. Allen; Jonathan J. Fortney; Eric Agol; Nicolas B. Cowan; Adam P. Showman; Curtis S. Cooper; S. Thomas Megeath (10 May 2007). “A map of the day–night contrast of the extrasolar planet HD 189733b”. Nature. 447 (7141): 183–186. arXiv:0705.0993. Bibcode:2007Natur.447..183K. doi:10.1038/nature05782. PMID 17495920. S2CID 4402268.

^ ScienceDaily, “First Planets Found Around Sun-Like Stars in a Cluster”, 14 September 2012

^ Masuda, Kento; Hirano, Teruyuki; Taruya, Atsushi; Nagasawa, Makiko; Suto, Yasushi; Kite, Edwin S.; Stapelfeldt, Karl; Marois, Christian; Krist, John (2013). “Characterization of the Koi-94 System with Transit Timing Variation Analysis: Implication for the Planet-Planet Eclipse”. The Astrophysical Journal. 778 (2): 185–200. arXiv:1310.5771. Bibcode:2013ApJ…778..185M. doi:10.1088/0004-637X/778/2/185. S2CID 119264400.

^ SpaceDaily, First Transiting Planets in a Star Cluster Discovered, 27 June 2013

^ NASA Space Telescopes Find Patchy Clouds on Exotic World nasa.gov

^ Cowen, R. (2014-04-30). “First exoplanet seen spinning”. Nature. doi:10.1038/nature.2014.15132. S2CID 123849861.

^ Landau, Elizabeth; Villard, Ray (2 August 2017). “Hubble Detects Exoplanet with Glowing Water Atmosphere”. NASA. Retrieved 3 August 2017.

^ Evans, Thomas M.; et al. (2 August 2017). “An ultrahot gas-giant exoplanet with a stratosphere”. Nature. 548 (7665): 58–61. arXiv:1708.01076. Bibcode:2017Natur.548…58E. doi:10.1038/nature23266. PMID 28770846. S2CID 205258293.

^ Gough, Evan (1 October 2020). “A Rogue Earth-Mass Planet Has Been Discovered Freely Floating in the Milky Way Without a Star”. Universe Today. Retrieved 2 October 2020.

^ Mroz, Przemek; et al. (29 September 2020). “A terrestrial-mass rogue planet candidate detected in the shortest-timescale microlensing event”. arXiv:2009.12377 [astro-ph.EP].

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Exoplanet naming convention
Exoplanet phase curves
Exoplanetary Circumstellar Environments and Disk Explorer
Extragalactic planet
Fulton gap
Geodynamics of terrestrial exoplanets
Neptunian Desert
Nexus for Exoplanet System Science
Planets in globular clusters
Planets in science fiction
Sudarsky’s gas giant classification
Discoveries of exoplanets
Search projects

Retrieved from “https://en.wikipedia.org/w/index.php?title=List_of_exoplanet_firsts&oldid=1004659382”

Information on the Discoveries of Extrasolar Planets or... - Bright Hub

Information on the Discoveries of Extrasolar Planets or… – Bright Hub – Detecting Extrasolar Planets. There are two basic methods of detecting a planet circling a star outside of The first extrasolar planet to be directly imaged via infrared—2M1207 b in Transit and gravitational microlensing are currently the most common methods of extrasolar planetary detection.phys 1160 introductory astronomy and the search for life elsewhere lecture 16 extrasolar planets this lecture detection methods for exoplanets doppler transit. In 1995 a 400 year search ended when Mayor & Queloz, followed by Butler & Marcy, announced the detection of the first extra-solar planets.First measurement of an extrasolar planet's atmosphere. Teams led by David Charbonneau and Timothy The first-ever detection of the second-most common element, long anticipated, was NASA's Exoplanet Archive announces 31 newly confirmed exoplanets discovered by ground and…

Lecture notes, lecture 16 – extrasolar planets – StuDocu – Extrasolar Planets The search for extrasolar planets New detection techniques New discoveries Resources Source The existence of extrasolar planets has been suspected since at least the time of Dutch This was the first information ever obtained about the composition of an extrasolar planet.This is a list of exoplanet discoveries that were the first by several criteria, including: the detection method used, the planet type, the planetary system type, the star type, and others. The choice of "first" depends on definition and confirmation, as below.There are three main detection techniques that can be used to find extrasolar planets. All of them rely on detecting a planet's effect on its parent star, to infer the planet's The vast majority of planetary detections so far has been achieved using the radial-velocity technique from ground-based telescopes.

Lecture notes, lecture 16 - extrasolar planets - StuDocu

Historic Timeline | Explore – Exoplanet Exploration: Planets Beyond… – The first confirmed detections of extrasolar planets occurred in _. monitoring stars for slight dimming that might occur as unseen planets pass in front of them. Can we determine orbital distances for extrasolar planets using the astrometric, Doppler, or transit methods?First exoplanet was confirmed indirectly at G-type star. Published by Clarence Pope Modified over 4 years ago. In this chapter, we study the detection method, the structure and the evolution of exoplanets. Extrasolar Planets The Search For Ever since humans first gazed into the night sky…Over 300 extrasolar planets have been found since 1992, showing that planetary systems are common and exhibit an As we will see, Doppler spectroscopy has not reached its limits yet and it will undoubtly play a leading role in the detection and characterization of the first Earth-mass planets.

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