词条 | WASP-4 |
释义 |
| 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 systemIn 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
References1. ^1 2 3 4 5 6 {{cite DR2|6535499658122055552}} Vizier catalog entry[1][2][3][4][5][6]2. ^1 {{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. ^1 2 {{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. ^1 2 {{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. ^1 {{cite simbad | title=WASP-4 | accessdate=2018-09-22 }} 6. ^1 2 3 4 {{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 }} }} External links
4 : Phoenix (constellation)|G-type main-sequence stars|Planetary systems|Planetary transit variables |
随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识,基本涵盖了大多数领域的百科知识,是一部内容自由、开放的电子版国际百科全书。