| 词条 | WASP-34 |
| 释义 |
| name = HD 98219 }}{{Starbox observe | epoch = J2000.0 | constell = Crater | ra = {{RA|11|01|35.8978900078}} | dec = {{DEC|–23|51|38.384687448}} | appmag_v = +10.28 }}{{Starbox character | class =G5V | b-v = }}{{Starbox astrometry | radial_v = | prop_mo_ra = –43.900 ± 0.069[1] | prop_mo_dec = –65.794 ± 0.069[1] | parallax = 7.5418 | p_error = 0.0484 | parallax_footnote = [1] | absmag_v = }}{{Starbox reference |Simbad = wasp-34 }}{{Starbox end}}WASP-34 is a sunlike star of spectral type G5V that has 1.01 ± 0.07 times the mass and 0.93 ± 0.12 times the diameter of the Sun. It rotates on its axis every 34 ± 15 days, indicating it is around 6.7 billion years old.[4] It has a planet 0.59 ± 0.01 times as massive as Jupiter that takes 4.317 days to complete an orbit.[2] There is increasing evidence that there is a massive object orbiting the system further out. References1. ^1 2 {{cite DR2|3537110833333561728}} {{Stars of Crater}}{{main-star-stub}}2. ^1 {{cite journal | title=WASP-34b: a near-grazing transiting sub-Jupiter-mass exoplanet in a hierarchical triple system | last= Smalley| first= B.| last2= Anderson, D. R.| last3=Collier Cameron, A.| last4=Hellier, C.| last5= Lendl, M.| last6=Maxted, P. F. L.| last7= Queloz, D.| last8=Triaud, A. H. M. J.| last9= West, R. G.| last10= Bentley, S. J.| last11= Enoch, B.| last12=Gillon, M.| last13= Lister, T. A.| last14= Pepe, F.| last15= Pollacco, D.| last16=Segransan, D.| last17= Smith, A. M. S.| last18=Southworth, J.| last19=Udry, S.| last20=Wheatley, P. J.| last21= Wood, P. L.| last22= Bento, J. |journal= Astronomy and Astrophysics|volume =526| id=A130| pages=5 | year=2011 | doi= 10.1051/0004-6361/201015992 |bibcode= 2011A&A...526A.130S}} 2 : Crater (constellation)|Planetary systems |
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