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词条 WASP-3
释义

  1. Planetary system

  2. See also

  3. References

  4. External links

{{Starbox begin
| name = WASP-3
}}{{Starbox observe
| epoch = J2000.0
| constell = Lyra
| ra = {{RA|18|34|31.6241}}
| dec = {{DEC|+35|39|41.488}}
| appmag_v = 10.63[1]
}}{{Starbox character
| class = F7V[4]
| appmag_1_passband = B
| appmag_1 = 11.07[1]
| appmag_3_passband = J
| appmag_3 = 9.603±0.020[4]
| appmag_4_passband = H
| appmag_4 = 9.407±0.014[4]
| appmag_5_passband = K
| appmag_5 = 9.361±0.015[4]
| variable = V*(1SWASP)[4]
}}{{Starbox astrometry
| radial_v =
| prop_mo_ra = {{val|−4.896|1.058}}
| prop_mo_dec = {{val|−21.664|0.686}}
| parallax = 4.07
| p_error = 0.32
| parallax_footnote =
| absmag_v =
}}{{Starbox detail
| age =
| metal = 0 (±0.2)
| mass = {{val|1.24|−0.11|+0.06}}
| radius = {{val|1.31|−0.12|+0.06}}
| rotation =
| luminosity =
| temperature = 6400 ± 100
}}{{Starbox catalog
| names = TYC 2636-195-1, 2MASS J18343163+3539415, USNO-B1.0 1256-00285133, GSC 02636-00195, 1SWASP J183431.62+353941.4
}}{{Starbox reference
| Simbad = WASP-3
| EPE = WASP-3
}}{{Starbox end}}WASP-3 is a magnitude 10 yellow-white dwarf star located about 800 light-years away in the Lyra constellation.[2] It appears to be variable; it "passed from a less active (log R'_hk=-4.95) to a more active (log R'_hk=-4.8) state between 2007 and 2010".[3]

Planetary system

The extrasolar planet WASP-3b was detected by the SuperWASP project in 2007.[15]

The William Herschel Telescope had confirmed it was a planet by 2008.

In 2010, researchers proposed a second planet orbiting WASP-3.[4][5] But in 2012 this proposal was debunked.[3]

{{OrbitboxPlanet begin}}{{OrbitboxPlanet
| exoplanet = b
| mass = 2.06 ± 0.13
| period = 1.8468372 ± 6e-07
| semimajor = 0.0313 ± 0.0001
| eccentricity = 0
}}{{Orbitbox end}}

See also

  • SuperWASP
  • WASP-4

References

1. ^{{cite journal|title=The Tycho-2 catalogue of the 2.5 million brightest stars|author1=Høg, E.|display-authors=etal|date=2000|journal=Astronomy and Astrophysics|volume=355|pages=L27–L30|bibcode=2000A&A...355L..27H|doi=10.1888/0333750888/2862}}
2. ^{{cite simbad | title =TYC 2636-195-1 | access-date=2009-05-04 }}
3. ^{{cite journal |title=A new analysis of the WASP-3 system: no evidence for an additional companion|date=Nov 2, 2012|author= M Montalto|arxiv=1211.0218|journal=MNRAS|volume=427|issue=4|pages=2757|bibcode = 2012MNRAS.427.2757M |doi = 10.1111/j.1365-2966.2012.21926.x |last2=Gregorio|first2=J.|last3=Boue|first3=G.|last4=Mortier|first4=A.|last5=Boisse|first5=I.|last6=Oshagh|first6=M.|last7=Maturi|first7=M.|last8=Figueira|first8=P.|last9=Sousa|first9=S.|last10=Santos|first10=N. C.}}
4. ^Planet found tugging on transits {{webarchive|url=https://web.archive.org/web/20100713155937/http://www.astronomynow.com/news/n1007/09exo/ |date=2010-07-13 }}, Astronomy Now, 9 July 2010
5. ^{{cite journal|arxiv=1006.1348|author=G.Maciejewski|author2=D.Dimitrov|author3=R.Neuhaeuser|author4=A.Niedzielski|author5=St.Raetz|author6=Ch.Ginski|author7=Ch.Adam, C.Marka|author8=M.Moualla|author9=M.Mugrauer|title=Transit timing variation in exoplanet WASP-3b|date=2010|doi=10.1111/j.1365-2966.2010.17099.x|bibcode=2010MNRAS.407.2625M|volume=407|journal=Monthly Notices of the Royal Astronomical Society|pages=2625–2631}}
6. ^{{cite journal | title=WASP-3b: a strongly irradiated transiting gas-giant planet | url=https://academic.oup.com/mnras/article/385/3/1576/1013033 | last1=Pollacco | first1=D. | last2=Skillen | first2=I. | last3=Collier Cameron | first3=A. | last4=Loeillet | first4=B. | last5=Stempels | first5=H. C. | last6=Bouchy | first6=F. | last7=Gibson | first7=N. P. | last8=Hebb| first8=L.| last9=Hébrard| first9=G.| last10=Joshi| first10=Y. C.| last11=McDonald| first11=I.| last12=Smalley| first12=B.| last13=Smith| first13=A. M. S. | last14=Street | first14=R. A. | last15=Udry | first15=S. | last16=West | first16=R. G. | last17=Wilson | first17=D. M. | last18=Wheatley | first18=P. J. | last19=Aigrain | first19=S. | last20=Alsubai | first20=K. | last21=Benn | first21=C. R. | last22=Bruce | first22=V. A. | last23=Christian | first23=D. J. | last24=Clarkson | first24=W. I. | last25=Enoch | first25=B. | last26=Evans | first26=A. | last27=Fitzsimmons | first27=A. | last28=Haswell | first28=C. A. | last29=Hellier | first29=C. | last30=Hickey | first30=S. | display-authors=1 | journal=Monthly Notices of the Royal Astronomical Society | volume=385 | issue=3 | pages=1576–1584 | year=2008 | arxiv=0711.0126 | bibcode=2008MNRAS.385.1576P | doi=10.1111/j.1365-2966.2008.12939.x }}
Gaia Data Release 1 catalog entry
[6]
}}

External links

  • {{cite web

| url=http://media4.obspm.fr/exoplanets/base/etoile.php?nom=WASP-3
| title=WASP-3
| work=Exoplanets
| accessdate=2009-05-04}}{{Sky|18|34|31.6249|+|35|39|41.546|727}}{{Stars of Lyra}}

3 : Lyra (constellation)|F-type subgiants|Planetary transit variables

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