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Pregled bibliografske jedinice broj: 567711

One or more bound planets per Milky Way star from microlensing observations

Cassan, A.; Kubas, D.; Beaulieu, J.-P.; Dominik, M.; Horne, K.; Greenhill, J.; Wambsganss, J.; Menzies, J.; Williams, J.; Jørgensen, U.G. et al.
One or more bound planets per Milky Way star from microlensing observations // Nature, 481 (2012), 7380; 167-169 doi:10.1038/nature10684 (međunarodna recenzija, pismo, znanstveni)

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Naslov
One or more bound planets per Milky Way star from microlensing observations

Autori
Cassan, A. ; Kubas, D. ; Beaulieu, J.-P. ; Dominik, M. ; Horne, K. ; Greenhill, J. ; Wambsganss, J. ; Menzies, J. ; Williams, J. ; Jørgensen, U.G. ; Udalski, A. ; Bennett, D.P. ; Albrow1, M.D. ; Batista, V. ; Brillant, S. ; Caldwell, J.A.R. ; Cole, A. ; Coutures, Ch. ; Cook, K.H. ; Dieters, S. ; Dominis Prester, Dijana ; Donatowicz, J. ; Fouque, P. ; Hill, K. ; Kains, N. ; Kane, S. ; Marquette, J.-B ; Martin, R. ; Pollard, K.R. ; Sahu, K.C. ; Vinter, C. ; Warren, D. ; Watson, B. ; Zub, M. ; Sumi, T. ; Szymanski, M.K ; Kubiak, M. ; Poleski, R. ; Soszynski, I. ; Ulaczyk, K. ; Pietrzynski, G. ; Wyrzykowski, L.

Izvornik
Nature (0028-0836) 481 (2012), 7380; 167-169

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, pismo, znanstveni

Ključne riječi
extrasolar planets; microlensing

Sažetak
Most known extrasolar planets (exoplanets) have been discovered using the radial velocity1 ; 2 or transit3 methods. Both are biased towards planets that are relatively close to their parent stars, and studies find that around 17–30% (refs 4, 5) of solar-like stars host a planet. Gravitational microlensing6-9, on the other hand, probes planets that are further away from their stars. Recently, a population of planets that are unbound or very far from their stars was discovered by microlensing10. These planets are at least as numerous as the stars in the Milky Way10. Here we report a statistical analysis of microlensing data (gathered in 2002–07) that reveals the fraction of bound planets 0.5–10 AU (Sun–Earth distance) from their stars. We find that 17+6-9%of stars host Jupiter-mass planets (0.3–10 MJ, where MJ= 318 M_Earth and M_Earth is Earth’s mass). Cool Neptunes (10–30 M_Earth) and super-Earths (5–10 M_Earth) are even more common: their respective abundances per star are 52+22-29% and 62+35-37%. We conclude that stars are orbited by planets as a rule, rather than the exception.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
316-0000000-2824 - Dijagnostika i fizička svojstva cirkumstelarne tvari (Kotnik-Karuza, Dubravka, MZOS ) ( CroRIS)

Ustanove:
Sveučilište u Rijeci - Odjel za fiziku

Profili:

Avatar Url Dijana Dominis Prester (autor)

Poveznice na cjeloviti tekst rada:

doi www.nature.com

Citiraj ovu publikaciju:

Cassan, A.; Kubas, D.; Beaulieu, J.-P.; Dominik, M.; Horne, K.; Greenhill, J.; Wambsganss, J.; Menzies, J.; Williams, J.; Jørgensen, U.G. et al.
One or more bound planets per Milky Way star from microlensing observations // Nature, 481 (2012), 7380; 167-169 doi:10.1038/nature10684 (međunarodna recenzija, pismo, znanstveni)
Cassan, A., Kubas, D., Beaulieu, J., Dominik, M., Horne, K., Greenhill, J., Wambsganss, J., Menzies, J., Williams, J. & Jørgensen, U. (2012) One or more bound planets per Milky Way star from microlensing observations. Nature, 481 (7380), 167-169 doi:10.1038/nature10684.
@article{article, author = {Cassan, A. and Kubas, D. and Beaulieu, J.-P. and Dominik, M. and Horne, K. and Greenhill, J. and Wambsganss, J. and Menzies, J. and Williams, J. and J\orgensen, U.G. and Udalski, A. and Bennett, D.P. and Albrow1, M.D. and Batista, V. and Brillant, S. and Caldwell, J.A.R. and Cole, A. and Coutures, Ch. and Cook, K.H. and Dieters, S. and Dominis Prester, Dijana and Donatowicz, J. and Fouque, P. and Hill, K. and Kains, N. and Kane, S. and Marquette, J.-B and Martin, R. and Pollard, K.R. and Sahu, K.C. and Vinter, C. and Warren, D. and Watson, B. and Zub, M. and Sumi, T. and Szymanski, M.K and Kubiak, M. and Poleski, R. and Soszynski, I. and Ulaczyk, K. and Pietrzynski, G. and Wyrzykowski, L.}, year = {2012}, pages = {167-169}, DOI = {10.1038/nature10684}, keywords = {extrasolar planets, microlensing}, journal = {Nature}, doi = {10.1038/nature10684}, volume = {481}, number = {7380}, issn = {0028-0836}, title = {One or more bound planets per Milky Way star from microlensing observations}, keyword = {extrasolar planets, microlensing} }
@article{article, author = {Cassan, A. and Kubas, D. and Beaulieu, J.-P. and Dominik, M. and Horne, K. and Greenhill, J. and Wambsganss, J. and Menzies, J. and Williams, J. and J\orgensen, U.G. and Udalski, A. and Bennett, D.P. and Albrow1, M.D. and Batista, V. and Brillant, S. and Caldwell, J.A.R. and Cole, A. and Coutures, Ch. and Cook, K.H. and Dieters, S. and Dominis Prester, Dijana and Donatowicz, J. and Fouque, P. and Hill, K. and Kains, N. and Kane, S. and Marquette, J.-B and Martin, R. and Pollard, K.R. and Sahu, K.C. and Vinter, C. and Warren, D. and Watson, B. and Zub, M. and Sumi, T. and Szymanski, M.K and Kubiak, M. and Poleski, R. and Soszynski, I. and Ulaczyk, K. and Pietrzynski, G. and Wyrzykowski, L.}, year = {2012}, pages = {167-169}, DOI = {10.1038/nature10684}, keywords = {extrasolar planets, microlensing}, journal = {Nature}, doi = {10.1038/nature10684}, volume = {481}, number = {7380}, issn = {0028-0836}, title = {One or more bound planets per Milky Way star from microlensing observations}, keyword = {extrasolar planets, microlensing} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • MEDLINE

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