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Pregled bibliografske jedinice broj: 800845

Časopis

Autori: Bachelet, E.; Bramich, D.M.; Han, C.; Greenhill, J.; Street, R.A.; Gould, A.; D'Ago, G.; AlSubai, K.; Dominik, M.; Figuera Jaimes, R.; Horne, K.; Hundertmark, M.; Kains, N.; Snodgrass, C.; Steele, I.A.; Tsapras, Y.; Albrow, M.D.; Batista, V.; Beaulieu, J.-P.; Bennett, D.P.; Brillant, S.; Caldwell, J.A.R.; Cassan, A.; Cole, A.; Coutures, C.; Dieters, S.; Dominis Prester, Dijana; Donatowicz, J.; Fouqué, P.; Hill, K.; Marquette, J.-B.; Menzies, J.; Pere, C.; Ranc, C.; Wambsganss, J.; Warren, D.; The PLANET Collaboration; de Almeida, L. Andrade; Choi, J.-Y.; DePoy, D. L.; Dong, S.; Hung, L.-W.; Hwang, K.-H.; Jablonski, F.; Jung, Y. K.; Kaspi, S.; Klein, N.; Lee, C.-U.; Maoz, D.; Muñoz, J. A.; Nataf, D.; Park, H.; Pogge, R. W.; Polishook, D.; Shin, I.-G.; Shporer, A.; Yee, J.C.; Abe, F.; Bhattacharya, A.; Bond, I.A.; Botzler, C. S.; Freeman, M.; Fukui, A.; Itow, Y.; Koshimoto, N.; Ling, C.H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Ohnishi, K.; Philpott, L.C.; Rattenbury, N.; Saito, To.; Sullivan, D J.; Sumi, T.; Suzuki, D.; Tristram, P.J.; Yonehara, A.; Bozza, V.; Calchi Novati, S.; Ciceri, S.; Galianni, P.; Gu, S.-H.; Harpsøe, K.; Hinse, T.C.; Jørgensen, U.G.; Juncher, D.; Korhonen, H.; Mancini, L.; Melchiorre, C.; Popovas, A.; Postiglione, A.; Rabus, M.; Rahvar, S.; Schmidt, R.W.; Scarpetta, G.; Skottfelt, J.; Southworth, John; Stabile, An.; Surdej, J.; Wang, X.-B.; Wertz, O.; The MiNDSTEp Collaboration
Naslov: Red noise versus planetary interpretations in the microlensing event OGLE-2013-BLG-446
Izvornik: The Astrophysical journal (0004-637X) 812 (2015), 2; 136-1-136-11
Vrsta rada: članak
Ključne riječi: gravitational lensing: micro ; planetary systems ; techniques: photometric
Sažetak:
For all exoplanet candidates, the reliability of a claimed detection needs to be assessed through a careful study of systematic errors in the data to minimize the false positives rate. We present a method to investigate such systematics in microlensing data sets using the microlensing event OGLE-2013-BLG-0446 as a case study. The event was observed from multiple sites around the world and its high magnification (Amax ˜ 3000) allowed us to investigate the effects of terrestrial and annual parallax. Real-time modeling of the event while it was still ongoing suggested the presence of an extremely low-mass companion (˜3M⊕) to the lensing star, leading to substantial follow-up coverage of the light curve. We test and compare different models for the light curve and conclude that the data do not favor the planetary interpretation when systematic errors are taken into account.
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
URL Internet adrese: http://iopscience.iop.org/article/10.1088/0004-637X/812/2/136/meta
http://arxiv.org/abs/1510.02724
http://adsabs.harvard.edu/abs/2015ApJ...812..136B
Broj citata:
Altmetric:
DOI: 10.1088/0004-637X/812/2/136
URL cjelovitog teksta: http://iopscience.iop.org/article/10.1088/0004-637X/812/2/136/meta
Google Scholar: Red noise versus planetary interpretations in the microlensing event OGLE-2013-BLG-446
Upisao u CROSBI: Dijana Dominis Prester (dijana@phy.uniri.hr), 16. Vel. 2016. u 09:29 sati
Napomene:
RoboNet Collaboration ; The μFUN Collaboration ; The MOA Collaboration ; The MiNDSTEp collaboration.



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