Systematic KMTNet Planetary Anomaly Search. XI. Complete Sample of 2016 Subprime Field Planets

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dc.citation.issue6
dc.citation.volume167
dc.contributor.authorShin I-G
dc.contributor.authorYee JC
dc.contributor.authorZang W
dc.contributor.authorHan C
dc.contributor.authorYang H
dc.contributor.authorGould A
dc.contributor.authorLee C-U
dc.contributor.authorUdalski A
dc.contributor.authorSumi T
dc.contributor.authorAlbrow MD
dc.contributor.authorChung S-J
dc.contributor.authorHwang K-H
dc.contributor.authorJung YK
dc.contributor.authorRyu Y-H
dc.contributor.authorShvartzvald Y
dc.contributor.authorCha S-M
dc.contributor.authorKim D-J
dc.contributor.authorKim H-W
dc.contributor.authorKim S-L
dc.contributor.authorLee D-J
dc.contributor.authorLee Y
dc.contributor.authorPark B-G
dc.contributor.authorPogge RW
dc.contributor.authorMróz P
dc.contributor.authorSzymański MK
dc.contributor.authorSkowron J
dc.contributor.authorPoleski R
dc.contributor.authorSoszyński I
dc.contributor.authorPietrukowicz P
dc.contributor.authorKozłowski S
dc.contributor.authorRybicki KA
dc.contributor.authorIwanek P
dc.contributor.authorUlaczyk K
dc.contributor.authorWrona M
dc.contributor.authorGromadzki M
dc.contributor.authorAbe F
dc.contributor.authorBando K
dc.contributor.authorBarry R
dc.contributor.authorBennett DP
dc.contributor.authorBhattacharya A
dc.contributor.authorBond IA
dc.contributor.authorFujii H
dc.contributor.authorFukui A
dc.contributor.authorHamada R
dc.contributor.authorHamada S
dc.contributor.authorHamasaki N
dc.contributor.authorHirao Y
dc.contributor.authorSilva SI
dc.contributor.authorItow Y
dc.contributor.authorKirikawa R
dc.contributor.authorKoshimoto N
dc.contributor.authorMatsubara Y
dc.contributor.authorMiyazaki S
dc.contributor.authorMuraki Y
dc.contributor.authorNagai T
dc.contributor.authorNunota K
dc.contributor.authorOlmschenk G
dc.contributor.authorRanc C
dc.contributor.authorRattenbury NJ
dc.contributor.authorSatoh Y
dc.contributor.authorSuzuki D
dc.contributor.authorTomoyoshi M
dc.contributor.authorTristram PJ
dc.contributor.authorVandorou A
dc.contributor.authorYama H
dc.contributor.authorYamashita K
dc.date.accessioned2024-09-08T21:16:10Z
dc.date.available2024-09-08T21:16:10Z
dc.date.issued2024-06-03
dc.description.abstractFollowing Shin et al. (2023b), which is a part of the “Systematic KMTNet Planetary Anomaly Search” series (i.e., a search for planets in the 2016 KMTNet prime fields), we conduct a systematic search of the 2016 KMTNet subprime fields using a semi-machine-based algorithm to identify hidden anomalous events missed by the conventional by-eye search. We find four new planets and seven planet candidates that were buried in the KMTNet archive. The new planets are OGLE-2016-BLG-1598Lb, OGLE-2016-BLG-1800Lb, MOA-2016-BLG-526Lb, and KMT-2016-BLG-2321Lb, which show typical properties of microlensing planets, i.e., giant planets orbit M-dwarf host stars beyond their snow lines. For the planet candidates, we find planet/binary or 2L1S/1L2S degeneracies, which are an obstacle to firmly claiming planet detections. By combining the results of Shin et al. (2023b) and this work, we find a total of nine hidden planets, which is about half the number of planets discovered by eye in 2016. With this work, we have met the goal of the systematic search series for 2016, which is to build a complete microlensing planet sample. We also show that our systematic searches significantly contribute to completing the planet sample, especially for planet/host mass ratios smaller than 10−3, which were incomplete in previous by-eye searches of the KMTNet archive.
dc.description.confidentialfalse
dc.identifier.citationShin IG, Yee JC, Zang W, Han C, Yang H, Gould A, Lee CU, Udalski A, Sumi T, Albrow MD, Chung SJ, Hwang KH, Jung YK, Ryu YH, Shvartzvald Y, Cha SM, Kim DJ, Kim HW, Kim SL, Lee DJ, Lee Y, Park BG, Pogge RW, Mróz P, Szymański MK, Skowron J, Poleski R, Soszyński I, Pietrukowicz P, Kozłowski S, Rybicki KA, Iwanek P, Ulaczyk K, Wrona M, Gromadzki M, Abe F, Bando K, Barry R, Bennett DP, Bhattacharya A, Bond IA, Fujii H, Fukui A, Hamada R, Hamada S, Hamasaki N, Hirao Y, Silva SI, Itow Y, Kirikawa R, Koshimoto N, Matsubara Y, Miyazaki S, Muraki Y, Nagai T, Nunota K, Olmschenk G, Ranc C, Rattenbury NJ, Satoh Y, Suzuki D, Tomoyoshi M, Tristram PJ, Vandorou A, Yama H, Yamashita K. (2024). Systematic KMTNet Planetary Anomaly Search. XI. Complete Sample of 2016 Subprime Field Planets. Astronomical Journal. 167. 6.
dc.identifier.doi10.3847/1538-3881/ad3ba3
dc.identifier.eissn1538-3881
dc.identifier.elements-typejournal-article
dc.identifier.issn0004-6256
dc.identifier.number269
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/71425
dc.languageEnglish
dc.publisherAmerican Astronomical Society
dc.publisher.urihttps://iopscience.iop.org/article/10.3847/1538-3881/ad3ba3
dc.relation.isPartOfAstronomical Journal
dc.rights(c) The author/sen
dc.rights.licenseCC BYen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectGravitational microlensing planet detection
dc.titleSystematic KMTNet Planetary Anomaly Search. XI. Complete Sample of 2016 Subprime Field Planets
dc.typeJournal article
pubs.elements-id489202
pubs.organisational-groupOther
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