Astronomy:Wide Angle Search for Planets

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Short description: Exoplanet search project
Wide Angle Search for Planets
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WASP or Wide Angle Search for Planets is an international consortium of several academic organisations performing an ultra-wide angle search for exoplanets using transit photometry. The array of robotic telescopes aims to survey the entire sky, simultaneously monitoring many thousands of stars at an apparent visual magnitude from about 7 to 13.[1]

WASP is the detection program composed of the Isaac Newton Group, IAC and six universities from the United Kingdom. The two continuously operating, robotic observatories cover the Northern and Southern Hemisphere, respectively. SuperWASP-North is at Roque de los Muchachos Observatory on the mountain of that name which dominates La Palma in the Canary Islands. WASP-South is at the South African Astronomical Observatory, Sutherland in the arid Roggeveld Mountains of South Africa . These use eight wide-angle cameras that simultaneously monitor the sky for planetary transit events and allow the monitoring of millions of stars simultaneously, enabling the detection of rare transit events.[2]

Instruments used for follow-up characterization employing doppler spectroscopy to determine the exoplanet's mass include the HARPS spectrograph of ESO's 3.6-metre telescope as well as the Swiss Euler Telescope, both located at La Silla Observatory, Chile.[3] WASP's design has also been adopted by the Next-Generation Transit Survey.[4] As of 2016, the Extrasolar Planets Encyclopaedia data base contains a total of 2,107 extrasolar planets of which 118 were discoveries by WASP.[5]

Equipment

WASP consists of two robotic observatories; SuperWASP-North at Roque de los Muchachos Observatory on the island of La Palma in the Canaries and WASP-South at the South African Astronomical Observatory, South Africa. Each observatory consists of an array of eight Canon 200 mm f1.8 lenses backed by high quality 2048 x 2048 science grade CCDs, the model used is the iKon-L[6] manufactured by Andor Technology.[7] The telescopes are mounted on an equatorial telescope mount built by Optical Mechanics, Inc.[8] The large field of view of the Canon lenses gives each observatory a massive sky coverage of 490 square degrees per pointing.[9]

Function

The observatories continuously monitor the sky, taking a set of images approximately once per minute, gathering up to 100 gigabytes of data per night. By using the transit method, data collected from WASP can be used to measure the brightness of each star in each image, and small dips in brightness caused by large planets passing in front of their parent stars can be searched for.

One of the main purpose of WASP was to revolutionize the understanding of planet formation, paving the way for future space missions searching for 'Earth'-like worlds.

Structure

WASP is operated by a consortium of academic institutions which include:

WASP-39b and its parent star (artist's impression).[10]

On 26 September 2006, the team reported the discovery of two extrasolar planets: WASP-1b (orbiting at 0.038 AU (6 million km) from star once every 2.5 days) and WASP-2b (orbiting three-quarters that radius once every 2 days).[11]

On 31 October 2007, the team reported the discovery of three extrasolar planets: WASP-3b, WASP-4b and WASP-5b. All three planets are similar to Jovian mass and are so close to their respective stars that their orbital periods are all less than two days. These are among the shortest orbital periods discovered. The surface temperatures of the planets should be more than 2000 degrees Celsius, owing to their short distances from their respective stars. The WASP‑4b and WASP-5b are the first planets discovered by the cameras and researchers in South Africa. WASP-3b is the third planet discovered by the equivalent in La Palma.

In August 2009, the discovery of WASP-17b was announced, believed to be the first planet ever discovered to orbit in the opposite direction to the spin of its star, WASP-17.

Discoveries and follow-up observations

Star Constellation Right
ascension 		Declination App.
mag. 		Distance (ly) Spectral
type 		Planet Mass
([[Astronomy:Jupiter mass		 J}}}}}}]]) Radius
([[Astronomy:Jupiter radius		 J}}}}}}]]) Orbital
period
(d) 		Semimajor
axis
(AU) 		Orbital
eccentricity 		Inclination
(°) 		Discovery
year
WASP-1 Andromeda  00h 20m 40s +31° 59′ 24″ 11.79 1031 F7V b 0.86 1.484 2.5199464 0.0382 0 88.65 2006
WASP-2 Delphinus  20h 30m 54s +06° 25′ 46″ 11.98 493 K1V b 0.847 1.079 2.15222144 0.03138 0 84.73 2006
WASP-3 Lyra  18h 33m 32s +35° 39′ 42″ 10.64 727 F7V b 2.06 1.454 1.8468372 0.0313 0 85.06 2007
WASP-4 Phoenix  23h 34m 15s −42° 03′ 41″ 12.6 851 G7V b 1.1215 1.363 1.33823187 0.02312 0 88.8 2007
WASP-5 Phoenix  23h 57m 24s −41° 16′ 38″ 12.26 967 G4V b 1.58 1.09 1.6284296 0.02683 0 85.8 2007
WASP-6 Aquarius  23h 12m 37s −22° 40′ 06″ 12.4 1001 G8V b 0.5 1.3 3.36 0.0269 0.054 88.47 2008
WASP-7 Microscopium  20h 44m 10s −39° 13′ 31″ 9.51 460 F5V b 0.96 0.915 4.954658 0.0618 0 89.6 2008
WASP-8 Sculptor  23h 59m 36.07s −35° 01′ 52.9″ 9.9 160 G6 b 2.23 1.17 8.16 0.0793 0.3082 88.52 2008
c 9.45 4323 5.28 0 2014
WASP-10 Pegasus  23h 15m 58s +31° 27′ 46″ 12.7 290 K5 b 3.06 1.08 3.0927616 0.0371 0.057 86.8 2008
WASP-11/HAT-P-10 Perseus  03h 09m 29s +30° 40′ 25″ 11.89 408 K3V b 0.460 1.045 3.7224690 0.0439 0 88.5 2008
WASP-12 Auriga  06h 30m 32.794s +29° 40′ 20.29″ 11.7 871 G0V b 1.404 1.736 1.0914222 0.02293 0 86 2008
WASP-13 Lynx  09h 20m 24.71s +33° 52′ 57.0″ 10.7 509 G1V b 0.485 1.365 4.353011 0.05379 0 85.64 2008
WASP-14 Boötes  14h 33m 06s +21° 53′ 41″ 9.75 520 F5V b 7.725 1.259 2.2437704 0.037 0.0903 84.79 2008
WASP-15 Hydra  13h 55m 42.71s −32° 09′ 34.6″ 10.9 1005 F5 b 0.54 1.16 3.75 0.0472 0 85.5 2008
WASP-16 Virgo  14h 18m 43.92s −20° 16′ 31.8″ 11.3 520 G3V b 0.855 1.008 3.12 0.0421 0 85.22 2009
WASP-17 Scorpius  15h 59m 51s −28° 03′ 42″ 11.6 1000 F6 b 0.486 1.991 3.735438 0.0515 0.028 86.83 2009
WASP-18 Phoenix  01h 37m 24.95s −45° 40′ 40.8″ 9.29 330 F9 b 10.3 1.106 0.94145299 0.02026 0.0092 86 2009
WASP-19 Vela  09h 43m 40.077s −45° 39′ 33.06″ 12.3 815 G8V b 1.168 1.386 0.78884 0.01655 0.0046 79.4 2009
WASP-20 (fr) Cetus  00h 20m 38.53s −23° 56′ 08.6″ 10.7 685 F9 b 0.31 1.459 4.9 0.06003 85.57 2011
WASP-21 Pegasus  23h 09m 58.23s +18° 23′ 46.0″ 11.6 750 G3V b 0.3 1.21 4.322506 0.052 0 87.29 2010
WASP-22 Eridanus  03h 31m 16.32s −23° 49′ 11.0″ 12.0 980 G1 b 0.588 1.158 3.5327313 0.04698 0 88.26 2010
WASP-23 Puppis  06h 44m 31s −42° 45′ 43″ 12.7 671.1 K1V b 0.884 0.962 2.9444256 0.0376 < 0.062 88.39 2010
WASP-24 Virgo  15h 08m 51.72s +02° 20′ 36.1″ 11.3 1080 F8-9 b 1.03 1.10 2.341 0.0359 0 85.71 2010
WASP-25 Hydra  13h 01m 26.36s −27° 31′ 20.0″ 11.9 550 G4 b 0.58 1.26 3.765 0.0487 0 87.7 2010
WASP-26 Cetus  00h 18m 24.70s −15° 16′ 02.3″ 11.3 815 G0 b 1.028 1.281 2.7566004 0.03985 0 82.91 2010
WASP-27/HAT-P-14 Hercules  17h 20m 27.8s +38° 14′ 31.9″ 10 731.2 F5 b 2.44 1.101 4.6 0.060 0.1074 84.1167 2010
WASP-28 (ru) Pisces  23h 34m 27.87s −01° 34′ 48.1″ 12 1090 F8 b 1.12 0.91 3.409 0.0455 0.046 88.61 2010
WASP-29 Phoenix  23h 51m 31.08s −39° 54′ 24.2″ 11.3 260 K4V b 0.25 0.74 3.923 0.0456 0 87.96 2010
WASP-31 (ru) Crater  11h 17m 45s −19° 03′ 17″ 11.7 1305 F b 0.478 1.537 3.405909 0.04657 0 84.54 2010
WASP-32 Pisces  00h 15m 51s +01° 12′ 02″ 11.3 G b 3.6 1.18 2.71865 0.0394 0.018 85.3 2010
WASP-33 Andromeda  02h 26m 51.05s +37° 33′ 01.7″ 8.3 378 A5 b < 4.59 1.438 1.21986967 0.02558 0 87.67 2010
WASP-34 Crater  11h 01m 36s −23° 51′ 38″ 10.4 391 G5 b 0.59 1.22 4.3176782 0.0524 0.038 85.2 2010
WASP-35 Eridanus  5h 4m 19.63s −6° 13′ 47.36″ 10.94 663 G0V b 0.72 1.32 3.161575 0.04317 0 87.96 2011
WASP-36 Hydra  08h 45m 19.0s −08° 01′ 37″ 12.7 1468 G2 b 2.279 1.269 1.53737 0.02624 83.65 2010
WASP-37 Virgo  14h 47m 46.62s +01° 03′ 53.4″ 12.7 1102 G2 b 1.696 1.136 3.577471 0.04339 0 88.78 2010
WASP-38 Hercules  16h 15m 50s +10° 01′ 57″ 9.42 359 F8 b 2.712 1.079 6.871815 0.07551 0.0321 88.69 2010
WASP-39 (ru) Virgo  14h 29m 18s −03° 26′ 40″ 12.11 750 G8 b 0.28 1.27 4.055259 0.0486 0 87.83 2011
WASP-40/HAT-P-27 Virgo  14h 51m 04.25s +05° 56′ 50.4″ 12.21 665 G8 b 0.66 1.055 3.0395721 0.0403 0.078 84.98 2011
WASP-41 Centaurus  12h 42m 28.51s −30° 38′ 23.5″ 11.6 587 G8V b 0.92 1.21 3.052394 0.04 0 87.3 2010
c — — 421.0 1.07 0.294 — 2015
WASP-42  12h 51m 55.62s −42° 04′ 25.2″ 12.57 K1 b 0.5 1.08 4.98169 0.0458 0.06 88.25 2011
WASP-43 Sextans  10h 19m 38s −09° 48′ 23″ 12.4 K7V b 1.78 0.93 0.813475 0.0142 0 82.6 2011
WASP-44 Cetus  00h 15m 37s −11° 56′ 17″ 12.9 G8V b 0.889 1.14 2.4238039 0.03473 0 86.02 2011
WASP-45 Sculptor  00h 20m 57s −35° 59′ 54″ 12 K2V b 1.007 1.16 3.1260876 0.04054 0 84.47 2011
WASP-46 Indus  21h 14m 57s −55° 52′ 18″ 12.9 G6V b 2.101 1.31 1.43037 0.02448 0 82.63 2011
WASP-47 Aquarius  20h 40m 09.16s −00° 52′ 15.0″ 11.9 652 G9V b 1.14 1.15 4.15914 0.052 0 89.32 2011
c 1.31 — 596.0 1.41 0.28 87.0 2015
d 0.0428 0.331 9.0304 0.088 0.007 89.22 2015
e 0.029 0.167 0.78961 0.0173 0.03 86.2 2015
WASP-48 Cygnus  19h 24m 39s +55° 28′ 23″ 11.06 F/G b 0.98 1.67 2.143634 0.03444 0 80.09 2011
WASP-49A Canis Major  06h 04m 21.47s −16° 57′ 55.1″ 11.36 G6 b 0.378 1.115 2.78174 84.89 2011
WASP-50 Eridanus  02h 54m 45s −10° 53′ 53″ 11.6 750 G9 b 1.468 1.153 1.9550959 0.02945 0.009 84.74 2011
WASP-51/HAT-P-30 Draco  08h 15m 48s +05° 50′ 12″ 10.36 629 F9 b 0.711 1.34 2.810595 0.0419 0.035 83.6 2011
WASP-52 Pegasus  23h 13m 59.0s +08° 45′ 41″ 12 457 K2V b 0.46 1.27 1.74978 85.35 2011
WASP-53 Cetus  2h 7m 38.22s −20° 39′ 43″ 11.0 766 K3 b 0.094 1.2 3.31 0.04101 - 87.08 2011
WASP-54 Virgo  13h 41m 49.03s −00° 07′ 41″ 10.42 F9V/IV b 0.6 1.4 3.7 2011
WASP-55 Virgo  08h 15m 48s +05° 50′ 12″ 11.8 1076 b 0.57 1.3 4.46563 0.0533 89.2 2011
WASP-56 Triangulum  02h 13m 27.90s +23° 30′ 20.2″ 11.48 G6 b 0.6 1.2 4.6 2011
WASP-57 Libra  14h 55m 16.84s −02° 03′ 27.5″ 13.34 1483 G6 b 0.8 1.1 2.8 2011
WASP-58 Lyra  18h 18m 48.0s +45° 10′ 19″ 11.66 978 G2V b 0.89 1.37 5.01718 0.0561 87.4 2011
WASP-59 Pegasus  23h 18m 30.0s +24° 53′ 21″ 13 408 K5V b 0.863 0.775 7.91959 0.0697 0.1 2011
WASP-60 Pegasus  23h 15m 58s +31° 27′ 46″ 12.18 1305 G1V b 0.5 0.86 4.305 0.0531 0 87.9 2011
WASP-61 Lepus  05h 01m 12.0s −26° 03′ 15″ 12.5 1566 F7 b 2.06 1.24 3.8559 0.0514 89.35 2011
WASP-62 Dorado  05h 48m 34.0s −63° 59′ 18″ 10.3 1566 F7 b 0.57 1.39 4.41195 0.0567 88.3 2011
WASP-63 Columba  06h 17m 21.0s −38° 19′ 24″ 11.2 1076 G8 b 0.38 1.43 4.37809 0.574 87.8 2011
WASP-64 Canis Major  6h 44m 28s −32° 51′ 30″ 12.29 1141 G7 b 1.217 1.244 1.57329 0.0264 0.04 86.7 2011
WASP-65 (ru) Cancer  08h 53m 18s +08° 31′ 23″ 11.9 1010 G6 b 1.55 1.112 2.3114243 0.0334 - 2011
WASP-66 Antlia  10h 32m 54.0s −34° 59′ 23″ 11.6 1239 F4 b 2.32 1.39 4.08605 0.0546 85.9 2011
WASP-67 Sagittarius  19h 42m 59.0s −19° 56′ 58″ 12.5 734 K0V b 0.42 1.4 4.61442 0.0517 85.8 2011
WASP-68 (ru) Sagittarius  20h 20m 22.98s −19° 18′ 52.9″ 10.7 G0 b 0.95 1.24 5.08 2011
WASP-69 Aquarius  21h 0m 6s −5° 5′ 40″ K5 WASP-69b (fr) 0.26 1.06 3.8681382 0.04525 0 86.7 2011
WASP-70A Aquarius  21h 01m 54s −13° 26′ 00″ 10.8 799 G4 b 0.59 1.16 3.713 0.0485 < 0.067 - 2011
WASP-71 Cetus  01h 57m 03.0s 00° 45′ 32″ 10.57 652 F8 b 2.258 1.5 2.90367 84.2 2012
WASP-72 Fornax  00h 10m 56.6s −30° 10′ 09″ 9.6 F7 b 1.5461 1.27 2.21674 0.03708 2013
WASP-73 (ru) Indus  21h 19m 47.91s −58° 08′ 56″ 10.5 F9 b 1.88 1.16 4.087 0.05514 2013
WASP-74 Aquila  20h 18m 10.0s −01° 04′ 33″ 9.7 391 F9 b 0.826 1.404 2.1377445 0.03443 0.0 79.86 2014
WASP-75 Cetus  01h 31m 18.2s −10:40:32° 11.45 848 F9 b 1.07 1.27 2.48419 0.0375 82 2013
WASP-76 Pisces  01h 46m 32.0s 02° 42′ 02″ 9.5 390 F7 b 0.92 1.83 1.80989 0.033 88 2013
WASP-77A Cetus  02h 28m 37.0s −07° 03′ 38″ 11.29 G8V b 1.76 1.21 1.36003 89.4 2012
WASP-78 Eridanus  04h 15m 02.0s −22° 06′ 59″ 12.0 1794 F8 b 1.16 1.75 2.17518 0.0415 89 2012
WASP-79 Eridanus  04h 25m 29.0s −30° 36′ 02″ 10.1 783 F3 b 0.89 1.7 2.17518 0.0362 83.2 2012
WASP-80 Aquila  20h 12m 40.0s −02° 08′ 44″ 11.88 196 K7V b 0.554 0.952 3.06785 0.0346 0.07 89.92 2013
WASP-82 Orion  04h 50m 39s +01° 53′ 38″ 10.1 650 F5 b 1.24 1.67 2.70578 0.0447 87.9 2013
WASP-83 Corvus  12h 40m 37.0s −19° 17′ 03″ 12.9 978 G8 b 0.3 1.04 4.071252 0.059 0.0 88.9 2014
WASP-84 Hydra  08h 44m 26s +01° 50′ 36″ 390 K0 b 0.694 0.942 8.52349 0.0771 88.368 2013
WASP-85A Virgo  11h 43m 38.1s +06° 33′ 49.4″ 11.2 407±260 G5 b 1.09 1.44 2.66 0.1138 ~0 89.72 2014
WASP-86 Hercules  17h 50m 33.7s +36° 34′ 13″ 10.66 F7 b 0.95 1.79 5.0316144 0.0617 0.0 84.45 2016
WASP-87 A Centaurus  12h 21m 17.92s −52° 50′ 27.6″ 10.7 780 F5 b 2.18 1.385 1.6827950 0.02946 81.07 2014
WASP-88 Indus  20h 38m 02.7s −48° 27′ 43.2″ 11.4 F6 b 0.56 1.7 4.954 0.06432 2013
WASP-89 Capricornus  20h 55m 36.0s −18° 58′ 16″ 13.1 K3 b 5.9 1.04 3.3564227 0.0427 0.193 89.4 2014
WASP-90 Equuleus  21h 02m 08s +07° 03′ 24″ 11.7 1100 F6 b 0.63 1.63 3.91624 0.0562 82.1 2013
WASP-91 Tucana  23h 51m 23.0s −70° 09′ 10″ 12.0 K3 b 1.34 1.03 2.798581 0.037 0.0 86.8 2017
WASP-92 Hercules  16h 26m 46.1s +51° 02′ 28″ 13.18 1729 F7 b 0.805 1.461 2.1746742 0.0348 0.0 83.75 2016
WASP-93 Cassiopeia  00h 37m 50.0s +51° 17′ 20″ 10.97 815 F4 b 1.47 1.597 2.7325321 0.04211 — 81.18 2016
WASP-94A Microscopium  20h 55m 07.94s −34° 08′ 07.9″ 10.1 587 F8 b 0.445 1.72 3.95 0.055 <0.13 88.7 2014
WASP-94B Microscopium  20h 55m 09.16s −34° 08′ 07.9″ 10.5 587 F9 b ≥0.617 2.008 0.0335 2014
WASP-95 Grus  21h 02m 08s −48° 00′ 11″ 10.1 G2 b 1.13 1.21 2.18467 0.03416 88.4 2013
WASP-96 Phoenix  00h 04m 11s −47° 21′ 38″ 12.2 G8 b 0.48 1.2 3.42526 0.0453 85.6 2013
WASP-97 Eridanus  01h 38m 25s −55° 46′ 19″ 10.6 G5 b 1.32 1.13 2.07276 0.03303 88 2013
WASP-98 Eridanus  03h 53m 42s −34° 19′ 42″ 13.0 G7 b 0.83 1.1 2.96264 0.036 86.3 2013
WASP-99 Eridanus  02h 39m 35s −50° 00′ 29″ 9.5 F8 b 2.78 1.1 5.75251 0.0717 88.8 2013
WASP-100 Reticulum  04h 35m 50s −64° 01′ 37″ 10.8 F2 b 2.03 1.69 2.84938 0.0457 82.6 2013
WASP-101 Canis Major  06h 33m 24s −23° 29′ 10″ 10.3 F6 b 0.5 1.41 3.58572 0.0506 85 2013
WASP-102 Pegasus  22h 25m 51.4s 15° 51′ 24″ 12.73 G0 b 0.624 1.259 2.709813 0.0401 — 89.73 2016
WASP-103 Hercules  16h 37m 15.5s +07° 11′ 00.07″ 12.1 F8 b 1.49 1.53 0.925 0.01985 86.3 2014
WASP-104 Leo  10h 42m 24.61s +07° 26′ 6.3″ 11.12 466 G8 b 1.272 1.137 1.7554137 0.02918 83.63 2014
WASP-105 Phoenix  01h 36m 40.0s −50° 39′ 32″ 12.10 K2 b 1.8 0.96 7.87288 0.075 0.0 89.7 2017
WASP-106 Leo  11h 05m 43.13s −05° 04′ 45.9″ 11.21 923 F9 b 1.925 1.085 9.289715 0.0917 89.49 2014
WASP-107 (ru) Virgo  12h 33m 32.85s −10° 8′ 46.14″ 11.6 208.7 K6V b 0.12 0.94 5.72149 0.055 - - 2017
WASP-108 Centaurus  13h 03m 19s −49° 38′ 23″ 11.2 717 F9 b 1.167 1.215 2.6755463 0.0397 88.49 2014
WASP-109 Libra  15h 28m 13.0s −16° 24′ 39″ 11.4 1076 F4 b 0.91 1.443 3.3190233 0.0463 84.28 2014
WASP-110 Sagittarius  20h 23m 30s −44° 03′ 30″ 12.3 1043 G9 b 0.515 1.238 3.7783977 0.0457 88.06 2014
WASP-111 Capricornus  21h 55m 04s −22° 36′ 45″ 10.3 684 F5 b 1.83 1.442 2.310965 0.03914 81.61 2014
WASP-112 (ru) Piscis Austrinus  22h 37m 57s −35° 09′ 14″ 13.3 1337 G6 b 0.88 1.191 3.0353992 0.0382 88.68 2014
WASP-113 Boötes  14h 59m 29.0s +46° 57′ 36″ 11.80 1174 G1 b 0.475 1.409 4.54216874538 0.05885 0.0 86.46 2016
WASP-114 Pegasus  21h 50m 40.0s 10° 27′ 47″ 12.74 1500 G0 b 1.769 1.339 1.5487743 0.02851 0.012 83.96 2016
WASP-117 (ru)  02h 27m 06.09s −50° 17′ 04.3″ 10.15 F9V b 0.2755 1.021 10.02165 0.09459 0.302 89.14 2014[12]
WASP-118 Pisces  01h 18m 12.0s 02° 42′ 10″ 11.02 815 F6 b 0.514 1.44 4.0460435 0.05453 — 88.7 2016
WASP-119 Reticulum  03h 43m 46.0s −65° 11′ 38″ 12.2 1086 G5 b 1.23 1.4 2.49979 0.0363 0.058 85.0 2016
WASP-120 Horologium  04h 10m 28.0s −45° 53′ 54″ 11 F5 b 5.06 1.515 3.6112706 0.0522 0.059 82.29 2015
WASP-121 Puppis  7h 10m 24.0595s −39° 5′ 50.562″ 11.0 850 F6V b 1.184 1.81 1.275 0.02544 0 87.6 2015
WASP-122 Puppis  07h 13m 12.0s −42° 24′ 35″ 11.0 G4 b 1.401 1.792 1.7100567 0.03107 0.0 78.35 2015
WASP-123 Sagittarius  19h 17m 55.0s −32° 51′ 36″ 11.1 G5 b 0.92 1.327 2.977641 0.0431 0.0 85.79 2015
WASP-124 Piscis Austrinus  22h 10m 51.0s −30° 44′ 58″ 12.7 1412 F9 b 0.6 1.24 3.37265 0.0499 0.017 86.3 2016
WASP-126 Hydrus  04h 13m 30.0s −69° 13′ 37″ 10.8 763 G2 b 0.2841 0.96 3.2888 0.0449 0.18 87.9 2016
WASP-127 (ru) Sextans  10h 42m 14.08s −03° 50′ 6.26″ 10.2 522 G5 b 0.18 1.37 4.17806 0.052 0 - 2016
WASP-128 Centaurus  11h 31m 26.1s −41° 41′ 22″ 12.5 1376 G0V b 37.19 0.937 2.20883665 0.0359 0.0 89.1 2018
WASP-129 Centaurus  11h 45m 12.0s −42° 03′ 50″ 12.3 802 G1 b 1.0 0.93 5.748145 0.0628 0.096 87.7 2016
WASP-130 Centaurus  13h 32m 5.0s −42° 28′ 31″ 11.1 587 G6 b 1.23 0.89 11.55098 0.1012 0.0 88.66 2016
WASP-131 Centaurus  14h 00m 46.0s −30° 35′ 01″ 10.1 815 G0 b 0.27 1.22 5.322023 0.0607 0.0 85.0 2016
WASP-132 Lupus  14h 30m 26.0s −46° 09′ 33″ 12.4 391 K4 b 0.41 0.87 7.133521 0.067 0.0 89.6 2016
WASP-133 Microscopium  20h 58m 18.0s −35° 47′ 48″ 12.9 1491 G4 b 1.16 1.21 2.176423 0.0345 0.17 87.0 2016
WASP-134 Pegasus  21h 50m 17.0s 04° 11′ 40″ 11.3 636 G4 b 1.412 0.988 10.1467583 0.0956 0.1447 89.13 2018
c — — 70.01 — 0.173 — 2018
WASP-135 Hercules  17h 49m 08.0s +29° 52′ 45″ 13.3 978 G5 b 1.9 1.3 1.4013794 0.0243 0.0 82.0 2015
WASP-136 (ru) Cetus  0h 1m 18.17s −8° 55′ 34.6″ 10.39 906 F5 b 1.51 1.38 5.22 0.0661 0 84.7 2016
WASP-137 Cetus  01h 43m 29.0s −14° 08′ 57″ 11 801 G0 b 0.681 1.27 3.9080284 0.0519 0.14 84.59 2018
WASP-138 Cetus  2h 46m 33.37s −0° 27′ 50″ 12.28 F9 b 1.22 1.09 3.6 0.0494 0 88.5 2016[13]
WASP-139 Eridanus  03h 18m 15.0s −41° 18′ 08″ 12.4 750 K0 b 0.117 0.8 5.924262 0.062 0.0 88.9 2016
WASP-140 Eridanus  01h 38m 25.0s −55° 46′ 19″ 11.1 587 K0 b 2.44 1.44 2.2359835 0.0323 0.047 83.3 2016
WASP-141 Eridanus  04h 47m 18.0s −17° 06′ 55″ 12.4 1859 F9 b 2.69 1.21 3.310651 0.0469 0.0 87.6 2016
WASP-142 Hydra  09h 23m 23.0s −23° 56′ 46″ 12.3 2740 F8 b 0.84 1.53 2.052868 0.0347 0.0 80.2 2016
WASP-143 Hydra  09h 22m 02.0s +02° 55′ 57″ 12.6 1115 G1 b 0.725 1.234 3.778873 0.049 0.0007 89.0 -
WASP-144 Microscopium  21h 23m 03.0s −40° 02′ 54″ 12.9 K2V b 0.44 0.85 2.2783152 0.0316 0.0 86.9 2018
WASP-145A Indus  21h 29m 01.0s −58° 50′ 10″ 11.5 K2V b 0.89 0.9 — 0.0261 0.0 83.3 2018
WASP-146 Cetus  23h 56m 22.0s −13° 16′ 18″ 12.90 1373 G0 b 1.11 1.228 3.396944 0.0451 0.15 83.96 2018
WASP-147 Aquarius  23h 56m 46.0s −22° 09′ 11″ 12.31 1389 G4 b 0.275 1.115 4.60273 0.0549 0.0 87.9 2018
WASP-148 Hercules  16h 56m 31.0s +44° 18′ 09″ 12.00 809 WASP-148b (id) 0.29 0.72 8.80381 0.0845 0.22 89.8 2020
c — — 34.516 0.21 0.359 — 2020
WASP-150 Draco  17h 37m 03.0s +53° 01′ 16″ 12.00 1748 b 8.46 1.07 5.644207 0.0694 0.3775 84.01 2020
WASP-151 Pisces  23h 16m 15.2s 00° 18′ 24″ 12.9 1566 G1 b 0.31 1.13 4.533471 0.055 0.0 89.2 2017
WASP-152 Taurus  04h 10m 41.0s 24° 24′ 07″ 12.56 603 G7V b 0.73 1.19 3.2588321 0.04217 0.066 86.656 2016
WASP-153 Lyra  18h 37m 03.0s +40° 01′ 07″ 12.8 1402 b 0.39 1.55 3.332609 0.048 0.0 84.1 2017
WASP-156 Cetus  02h 11m 07.6s +02° 25′ 05″ 11.6 457 K3 b 0.128 0.51 3.836169 0.0453 0.0 89.1 2017
WASP-157 (ru) Virgo  13h 26m 37.25s −8° 19′ 3.22″ 12.91 1545 G2V b 0.576 1.045 3.9516205 0.0529 0 - 2016
WASP-158 Cetus  00h 16m 35.0s −10° 58′ 35″ 12.1 F6V b 2.79 1.07 — 0.0517 0.0 87.7 2018
WASP-159 Caelum  04h 32m 33.0s −38° 58′ 06″ 12.8 - F9 b 0.55 1.38 3.840401 0.0538 0.0 88.1 2018
WASP-160B Columba  05h 50m 43.1s −27° 37′ 23″ 13.09 - K0V b 0.281 1.093 3.768495 0.0455 0.0 89.02 2018
WASP-161 Hydra  08h 25m 21.1s −11° 30′ 04″ 11.09 F6 b 2.49 1.143 5.4060425 0.0673 — 89.01 2018
WASP-162 Crater  11h 13m 10.0s −17° 39′ 28″ 12.2 K0 b 5.2 1.0 9.62468 0.0871 0.434 89.3 2018
WASP-163 Ophiuchus  17h 06m 09.0s −10° 24′ 47″ 12.54 G8 b 1.87 1.202 1.6096884 0.0266 — 85.42 2018
WASP-164 Tucana  22h 59m 29.6s −60° 26′ 52″ 12.62 G2V b 2.13 1.128 1.7771255 0.02818 0.0 82.73 2018
WASP-165 Aquarius  23h 50m 19.3s −17° 04′ 39″ 12.69 - G6 b 0.658 1.26 3.465509 0.04823 0.0 84.9 2018
WASP-166 Hydra  09h 39m 30.0s −20° 58′ 57″ 9.36 369 F9 b 0.102 0.63 5.443526 0.0642 0.0 87.8 2018
WASP-167 (ru) Centaurus  13h 4m 10.53s −35° 32′ 58.28″ 10.5 1430 F1V b 8.0 - 2.0219591 0.0365 - - 2017
WASP-168 Puppis  06h 26m 59.0s −46° 49′ 17″ 11.0 F9V b 0.42 1.5 4.153658 0.0519 0.0 84.4 2018
WASP-169 Hydra  08h 29m 33.0s −12° 56′ 41″ 12.2 2081 b 0.561 1.304 5.6114118 0.0681 0.0 87.9 2019
WASP-170 Pyxis  09h 01m 39.9s −20° 43′ 14″ 12.79 G1 b 1.6 1.096 2.34478022 0.0337 — 84.87 2018
WASP-171 Centaurus  11h 27m 23.0s −44° 05′ 19″ 13 2524 b 1.084 0.988 3.8186244 0.0504 0.0 88.3 2019
WASP-172 Centaurus  13h 17m 44.0s −47° 14′ 15″ 11.0 - F1V b 0.47 1.57 5.477433 0.0694 0.0 86.7 2018
WASP-173A Sculptor  23h 36m 40.0s −34° 36′ 41″ 11.3 G3 b 3.69 1.2 1.38665318 0.0248 0.0 85.2 2018
WASP-175 Hydra  11h 05m 17.0s −34° 07′ 20″ 12 1905 b 0.99 1.208 3.0652907 0.044 0.0 85.33 2019
WASP-176 Delphinus  20h 54m 45.0s +09° 10′ 45″ 12.00 1885 b 0.855 1.505 3.899052 0.0535 0.0 86.7 2020
WASP-177 Aquarius  22h 19m 11.0s −01° 50′ 04″ 11.6 581 K2 b 0.508 1.58 3.071722 0.03957 — 84.14 2019
WASP-178 Lupus  15h 09m 05.0s −42° 42′ 18″ 9.95 1363 A1IV-V b 1.66 1.81 3.3448285 0.0558 0.0 85.7 2019
WASP-181 Pisces  01h 47m 10.0s 03° 07′ 59″ 10.0 1445 G2 b 0.299 1.184 4.5195064 0.05427 — 88.38 2019
WASP-182 Microscopium  20h 46m 42.0s −41° 49′ 15″ 12 1080 b 0.148 0.85 3.3769848 0.0451 0.0 83.88 2019
WASP-183 Leo  10h 55m 09.0s −00° 44′ 14″ 12.76 1070 G9/K0 b 0.502 1.47 4.1117771 0.04632 — 85.37 2019
WASP-184 Centaurus  13h 58m 04.0s −30° 20′ 53″ 12.9 2087 F1V b 0.57 1.33 5.1817 0.0627 0.0 86.9 2019
WASP-189 Libra  15h 02m 44.9s −03° 01′ 53″ 6.60 323 A6IV-V b 2.13 1.374 2.724033 0.0497 0.0 84.321 2018
  • WASP-9b was determined to be a false positive after its initial public announcement as a planet, and the identifier has not been subsequently reassigned to a real planetary system.[14]

1SWASP J140747.93-394542.6 b

The discovery of the J1407 system and its unusual eclipses were first reported by a team led by University of Rochester astronomer Eric Mamajek in 2012.[15] The existence and parameters of the ring system around the substellar companion J1407b were deduced from the observation of a very long and complex eclipse of the previously anonymous star J1407 during a 56-day period during April and May 2007.[15][16] The low-mass companion J1407b has been referred to as a "Saturn on steroids"[17][18] or "Super Saturn"[19] due to its massive system of circumplanetary rings with a radius of approximately 90 million km (0.6 AU).[20] The orbital period of the ringed companion J1407b is estimated to be around a decade (constrained to 3.5 to 13.8 years), and its most probable mass is approximately 13 to 26 Jupiter masses, but with considerable uncertainty.[20] The ringed body can be ruled out as being a star with mass of over 80 Jupiter masses at greater than 99% confidence.[20] The ring system has an estimated mass similar to that of the Earth.[21] A gap in the ring system at about 61 million km (0.4 AU) from its centre is considered to be indirect evidence of the existence of an exomoon with mass up to 0.8 Earth masses.[20]

See also

  • Lists of exoplanets
  • Roque de los Muchachos Observatory
  • South African Astronomical Observatory
  • Science and Technology Facilities Council

Other extrasolar planet search projects

Extrasolar planet searching spacecraft

References

  1. ↑ Pollacco, D. L.; Skillen, I.; Collier Cameron, A.; Christian, D. J.; Hellier, C.; Irwin, J.; Lister, T. A.; Street, R. A. et al. (2016). "The WASP Project and the SuperWASP Cameras". The Publications of the Astronomical Society of the Pacific 118 (848): 1407–1418. doi:10.1086/508556. Bibcode: 2006PASP..118.1407P. 
  2. ↑ "SuperWASP Survey Information". 5 February 2015. http://exoplanetarchive.ipac.caltech.edu/docs/SuperWASPMission.html. 
  3. ↑ Queloz, D.; Anderson, D. R.; Collier Cameron, A.; Gillon, M.; Hebb, L.; Hellier, C.; Maxted, P.; Pepe, F. et al. (2010). "WASP-8b: a retrograde transiting planet in a multiple system". Astronomy and Astrophysics 517: L1. doi:10.1051/0004-6361/201014768. Bibcode: 2010A&A...517L...1Q. 
  4. ↑ "Searching for Super-Earths". 2014. https://star.pst.qub.ac.uk/webdav/public/stfc2014/posters/a1/NGTS%20-%20Watson%20v2%20FINAL.pdf. 
  5. ↑ "Catalog". Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog/. 
  6. ↑ "Technical". 16 December 2013. http://wasp-planets.net/technical/. 
  7. ↑ "Home". http://www.andor.com/. 
  8. ↑ "OMI News". http://www.opticalmechanics.com/news/index.html. 
  9. ↑ Current status of the SuperWASP project , D. J. Christian et al.
  10. ↑ "Hubble observes exoplanet atmosphere in more detail than ever before". spacetelescope.org. https://www.spacetelescope.org/news/heic1804/. 
  11. ↑ Collier Cameron, A; Bouchy, F; Hébrard, G; Maxted, P; Pollacco, D; Pont, F; Skillen, I; Smalley, B et al. (2007). "WASP-1b and WASP-2b: Two new transiting exoplanets detected with SuperWASP and SOPHIE". Monthly Notices of the Royal Astronomical Society 375 (3): 951–957. doi:10.1111/j.1365-2966.2006.11350.x. Bibcode: 2007MNRAS.375..951C. 
  12. ↑ Lendl, M; Triaud, A. H. M. J; Anderson, D. R; Collier Cameron, A; Delrez, L; Doyle, A. P; Gillon, M; Hellier, C et al. (2014). "WASP-117b: A 10-day-period Saturn in an eccentric and misaligned orbit". Astronomy and Astrophysics 568: A81. doi:10.1051/0004-6361/201424481. Bibcode: 2014A&A...568A..81L. 
  13. ↑ Lam, K. W. F; Faedi, F; Brown, D. J. A; Anderson, D. R; Delrez, L; Gillon, M; Hébrard, G; Lendl, M et al. (2017). "From dense hot Jupiter to low-density Neptune: The discovery of WASP-127b, WASP-136b, and WASP-138b". Astronomy and Astrophysics 599 (3): A3. doi:10.1051/0004-6361/201629403. Bibcode: 2017A&A...599A...3L. 
  14. ↑ Cunha, D.; Figuera, P.; Santos, N. C.; Lovis, C.; Boue, G. (2013). "Impact of stellar companions on precise radial velocities". Astronomy and Astrophysics 550: A75. doi:10.1051/0004-6361/201220083. Bibcode: 2013A&A...550A..75C. 
  15. ↑ 15.0 15.1 Mamajek, Eric E.; Quillen, Alice C.; Pecaut, Mark J.; Moolekamp, Fred; Scott, Erin L.; Kenworthy, Matthew A.; Collier Cameron, Andrew; Parley, Neil R. (March 2012). "Planetary Construction Zones in Occultation: Discovery of an Extrasolar Ring System Transiting a Young Sun-like Star and Future Prospects for Detecting Eclipses by Circumsecondary and Circumplanetary Disks". The Astronomical Journal 143 (3): 72. doi:10.1088/0004-6256/143/3/72. Bibcode: 2012AJ....143...72M. 
  16. ↑ "Eclipsing Ring System J1407". Cerro Tololo Inter-American Observatory. 22 June 2012. http://www.ctio.noao.edu/noao/content/Eclipsing-Ring-System-J1407. 
  17. ↑ St. Fleur, Nicholas (13 October 2016). "Distant Ringed Object Could Be 'Saturn on Steroids'". New York Times. https://www.nytimes.com/2016/10/14/science/exoplanet-rings-saturn-j1407b.html. 
  18. ↑ O'Neill, Ian (12 January 2012). "'Saturn on Steroids' Exoplanet Discovered?". http://news.discovery.com/space/saturn-on-steroids-exoplanet-discovered-120111.htm. 
  19. ↑ Gigantic ring system around J1407b much larger, heavier than Saturn's, on University of Rochester website.
  20. ↑ 20.0 20.1 20.2 20.3 Kenworthy, Matthew A.; Mamajek, Eric E. (22 January 2015). "Modeling giant extrasolar ring systems in eclipse and the case of J1407b: sculpting by exomoons?". The Astrophysical Journal 800 (2): 126. doi:10.1088/0004-637X/800/2/126. Bibcode: 2015ApJ...800..126K. 
  21. ↑ "Gigantic ring system around J1407b much larger, heavier than Saturn's". University of Rochester. 26 January 2015. http://www.eurekalert.org/pub_releases/2015-01/uor-grs012615.php. 

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