HD 187123 b

HD 187123 b
Il pianeta raffigurato dal software Celestia
Stella madreHD 187123
Scoperta9 settembre 1998
ScopritoriButler, Marcy,
Vogt, Apps et al.
Parametri orbitali
Semiasse maggiore0,04209 au
Periodo orbitale3,0965886±0,0000043 giorni[1]
Eccentricità0,0093±0,0046[1]
Argom. del perielio360±200[1]
Dati fisici
Massa
1,4+0,5
−0,3 MJ
Modifica dati su Wikidata · Manuale

HD 187123 b è un pianeta extrasolare del tipo gioviano caldo situato a circa 150 anni luce di distanza nella costellazione del Cigno, in orbita attorno alla stella HD 187123. Ha una massa di 1,4 volte quella di Giove e percorre un'orbita molto stretta e rotonda attorno alla stella ogni tre giorni[2][3][4].

La stella è stata anche monitorata per possibili transiti del pianeta, ma nessuno è stato trovato.

Note

  1. ^ a b c Y. Katherina Feng, Jason T. Wright, Benjamin Nelson, Sharon X. Wang, Eric B. Ford, Geoffrey W. Marcy, Howard Isaacson e Andrew W. Howard, The California Planet Survey IV: A Planet Orbiting the Giant Star HD 145934 and Updates to Seven Systems with Long-period Planets, in The Astrophysical Journal, vol. 800, n. 1, 2015, Bibcode:2015ApJ...800...22F, DOI:10.1088/0004-637X/800/1/22, arXiv:1501.00633.
  2. ^ Cam Buzard et al., Simulating the Multi-Epoch Direct Detection Technique to Isolate the Thermal Emission of the Non-Transiting Hot Jupiter HD187123B (PDF), 2020.
  3. ^ Butler, R. Paul; et al. (1998). "A Planet with a 3.1 Day Period around a Solar Twin". Publications of the Astronomical Society of the Pacific. 110 (754): 1389–1393. Bibcode:1998PASP..110.1389B. doi:10.1086/316287.
  4. ^ Wright, J. T.; et al. (2009). "Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems". The Astrophysical Journal. 693 (2): 1084–1099. arXiv:0812.1582. Bibcode:2009ApJ...693.1084W. doi:10.1088/0004-637X/693/2/1084.

Altri progetti

Collegamenti esterni

  • Notes for planet HD 187123 b, su exoplanet.eu. URL consultato il 25 agosto 2008.
  • HD 187123, su Exoplanets. URL consultato il 25 agosto 2008 (archiviato dall'url originale il 24 novembre 2009).
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