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词条 WASP-4
释义

  1. Planetary system

  2. See also

  3. References

  4. External links

{{Starbox begin
| name = WASP-4
}}{{Starbox image
| image =
| caption = Artistic rendering of WASP-4 b
}}{{Starbox observe
| epoch = J2000.0
| constell = Phoenix[1]
| ra = {{RA|23|34|15.0858}}[2]
| dec = {{DEC|−42|03|41.0495}}[2]
| appmag_v = {{val|12.468|0.025}}
}}{{Starbox character
| class = G7V[5]
| appmag_1_passband = V
| appmag_1 = {{val|12.468|0.025}}
| appmag_2_passband = B
| appmag_2 = {{val|13.216|0.020}}
| variable = Planetary transit variable[5]
}}{{Starbox astrometry
| radial_v =
| prop_mo_ra = {{val|9.874|0.053}}[2]
| prop_mo_dec = {{val|−87.518|0.048}}[2]
| parallax = 3.7145
| p_error = 0.0517
| parallax_footnote = [2]
| absmag_v =
}}{{Starbox detail
| source = [12]
| mass = {{val|0.89|0.01}}
| radius = {{val|0.92|0.06}}
| gravity = {{val|4.461|0.054}}
| temperature = {{val|5436|34}}
| metal_fe = {{val|−0.05|0.04}}
| age_gyr = {{val|7.0|2.9}}
}}{{Starbox catalog
| names = {{odlist | name=1SWASP J233415.06-420341.1 | 2MASS = J23341508-4203411 | TYC = 8017-108-1

}}[13]


}}{{Starbox reference
| EPE = WASP-4
| Simbad = WASP-4
}}{{Starbox end}}WASP-4 is a G-type main sequence star approximately 880 light-years away in the constellation of Phoenix.[5][1][2]

Planetary system

In 2007 the extrasolar planet WASP-4b was discovered orbiting this star. With an orbital period of just 1.3 days it is classed as a hot Jupiter.[5]

{{OrbitboxPlanet begin
| table_ref = [12][19]
}}{{OrbitboxPlanet
| exoplanet = b
| mass = {{val|1.216|0.013}}
| semimajor = {{val|0.0228|0.00013}}
| period = {{val|1.33823251|0.00000031}}
| eccentricity = 0 (assumed)
| inclination = {{val|87.63|0.32|0.28}}
| radius = {{val|1.33|0.16}}
}}{{Orbitbox end}}

See also

  • SuperWASP
  • List of extrasolar planets

References

1. ^{{cite DR2|6535499658122055552}}
2. ^{{cite journal | title=Gemini/GMOS Transmission Spectral Survey: Complete Optical Transmission Spectrum of the Hot Jupiter WASP-4b | url=http://iopscience.iop.org/article/10.3847/1538-3881/aa7f72/meta | journal=The Astronomical Journal | volume=154 | issue=3 | at=95 | year=2017 | last1=Huitson | first1=C. M. | last2=Désert | first2=J.-M. | last3=Bean | first3=J. L. | last4=Fortney | first4=J. J. | last5=Stevenson | first5=K. B. | last6=Bergmann | first6=M. | display-authors=1 | arxiv=1707.06575 | bibcode=2017AJ....154...95H| doi=10.3847/1538-3881/aa7f72 }}
3. ^{{cite journal | title=No Transit Timing Variations in Wasp-4 | url=http://iopscience.iop.org/article/10.1088/2041-8205/779/2/L23/meta | last1=Petrucci | first1=R. | last2=Jofré | first2=E. | last3=Schwartz | first3=M. | last4=Cúneo | first4=V. | last5=Martínez | first5=C. | last6=Gómez | first6=M. | last7=Buccino | first7=A. P. | last8=Mauas | first8=P. J. D. | display-authors=1 | journal=The Astrophysical Journal Letters | volume=779 | issue=2 | at=L23 | year=2013 | arxiv=1311.2048 | bibcode=2013ApJ...779L..23P | doi=10.1088/2041-8205/779/2/L23 }}
4. ^{{cite journal | title=Identification of a Constellation From a Position | url=http://articles.adsabs.harvard.edu/full/1987PASP...99..695R | last1=Roman | first1=Nancy G. | journal=Publications of the Astronomical Society of the Pacific | volume=99 | issue=617 | pages=695–699 | year=1987 | bibcode=1987PASP...99..695R | doi=10.1086/132034 }} Vizier query form
5. ^{{cite simbad | title=WASP-4 | accessdate=2018-09-22 }}
6. ^{{cite journal | title=WASP-4b: A 12th Magnitude Transiting Hot Jupiter in the Southern Hemisphere | url=http://iopscience.iop.org/article/10.1086/586735/fulltext/ | last1=Wilson | first1=D. M. | last2=Gillon | first2=M. | last3=Hellier | first3=C. | last4=Maxted | first4=P. F. L. | last5=Pepe | first5=F. | last6=Queloz | first6=D. | last7=Anderson | first7=D. R. | last8=Collier Cameron | first8=A. | last9=Smalley | first9=B. | last10=Lister | first10=T. A. | last11=Bentley | first11=S. J. | last12=Blecha | first12=A. | last13=Christian | first13=D. J. | last14=Enoch | first14=B. | last15=Haswell | first15=C. A. | last16=Hebb | first16=L. | last17=Horne | first17=K. | last18=Irwin | first18=J. | last19=Joshi | first19=Y. C. | last20=Kane | first20=S. R. | last21=Marmier | first21=M. | last22=Mayor | first22=M. | last23=Parley | first23=N. | last24=Pollacco | first24=D. | last25=Pont | first25=F. | last26=Ryans | first26=R. | last27=Segransan | first27=D. | last28=Skillen | first28=I. | last29=Street | first29=R. A. | last30=Udry | first30=S. | displayauthors=1 | journal=The Astrophysical Journal Letters | volume=675 | issue=2 | pages=L113–L116 | year=2008 | arxiv=0801.1509 | bibcode=2008ApJ...675L.113W | doi=10.1086/586735 }}
Vizier catalog entry
[1][2][3][4][5][6]
}}

External links

  • {{cite web |url=http://www.superwasp.org/ |title=SuperWASP Homepage |accessdate=2008-07-02 |work= |publisher= |date= |archive-url=https://web.archive.org/web/20021208111324/http://www.superwasp.org/ |archive-date=2002-12-08 |dead-url=yes |df= }}
  • {{cite web |url=http://www.superwasp.org/press_release2/WASP2007_national_pressV5.pdf |archive-url=https://web.archive.org/web/20080516083642/http://www.superwasp.org/press_release2/WASP2007_national_pressV5.pdf |dead-url=yes |archive-date=2008-05-16 |title=UK planet hunters announce three new finds |accessdate=2008-07-02 |work= |publisher= |date=2007-10-30 }}
{{Clear}}{{Sky|23|34|15.06|-|42|03|41.1|1000}}{{Stars of Phoenix}}{{variable-star-stub}}

4 : Phoenix (constellation)|G-type main-sequence stars|Planetary systems|Planetary transit variables

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