OGLE-2017-BLG-1522: A Giant Planet around a Brown Dwarf Located in the Galactic Bulge

被引：61

作者：

Jung, Y. K. ^{[1
]}

Udalski, A. ^{[2
]}

Gould, A. ^{[1
,3
,4
]}

Ryu, Y. -H. ^{[1
]}

Yee, J. C. ^{[5
]}

Han, C. ^{[6
]}

Albrow, M. D. ^{[7
]}

Lee, C. -U. ^{[1
,8
]}

Kim, S. -L. ^{[1
,8
]}

Hwang, K. -H. ^{[1
]}

Chung, S. -J. ^{[1
,8
]}

Shin, I. -G. ^{[5
]}

Zhu, W. ^{[3
]}

Cha, S. -M. ^{[1
,9
]}

Kim, D. -J. ^{[1
]}

Lee, Y. ^{[1
,9
]}

Park, B. -G. ^{[1
,8
]}

Lee, D. -J. ^{[1
]}

Kim, H. -W. ^{[1
]}

Pogge, R. W.

Szymanski, M. K. ^{[2
]}

Mroz, P. ^{[2
]}

Poleski, R. ^{[2
,3
]}

Skowron, J. ^{[2
]}

Pietrukowicz, P. ^{[2
]}

Soszynski, I. ^{[2
]}

Kozlowski, S. ^{[2
]}

Ulaczyk, K. ^{[2
]}

Pawlak, M. ^{[2
]}

Rybicki, K. ^{[2
]}

机构：

[1] Korea Astron & Space Sci Inst, Daejon 34055, South Korea

[2] Univ Warsaw Observ, Al Ujazdowskie 4, PL-00478 Warsaw, Poland

[3] Ohio State Univ, Dept Astron, 140 W 18Th Ave, Columbus, OH 43210 USA

[4] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany

[5] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[6] Chungbuk Natl Univ, Dept Phys, Cheongju 28644, South Korea

[7] Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch 8020, New Zealand

[8] Korea Univ Sci & Technol, 217 Gajeong Ro, Daejeon 34113, South Korea

[9] Kyung Hee Univ, Sch Space Res, Yongin 17104, South Korea

来源：

ASTRONOMICAL JOURNAL | 2018年 / 155卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

binaries: general; brown dwarfs; gravitational lensing: micro; planetary systems; MULTIPLE STAR PROPERTIES; EARTH-MASS PLANET; GRAVITATIONAL LENS; SNOW LINE; STELLAR; CANDIDATE; COMPANION; LUMINOSITY; PHOTOMETRY; SYSTEMS;

D O I：

10.3847/1538-3881/aabb51

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery of a giant planet in the OGLE-2017-BLG-1522 microlensing event. The planetary perturbations were clearly identified by high-cadence survey experiments despite the relatively short event timescale of t(E) similar to 7.5 days. The Einstein radius is unusually small, theta(E) = 0.065 mas, implying that the lens system either has very low mass or lies much closer to the microlensed source than the Sun, or both. A Bayesian analysis yields component masses (M-host, M-planet) = (46(-25)(+79), 0.75(-0.40)(+1.26)) M-J and source-lens distance D-Ls = 0.99(-0.54)(+0.91) kpc, implying that this is a brown-dwarf/Jupiter system that probably lies in the Galactic bulge, a location that is also consistent with the relatively low lens-source relative proper motion mu = 3.2 +/- 0.5 mas yr(-1). The projected companion-host separation is 0.59(-0.11)(+0.12) au, indicating that the planet is placed beyond the snow line of the host, i.e., a(sl) similar to 0.12 au. Planet formation scenarios combined with the small companion-host mass ratio q similar to 0.016 and separation suggest that the companion could be the first discovery of a giant planet that formed in a protoplanetary disk around a brown-dwarf host.

引用

页数：8

共 24 条

[1] OGLE-2013-BLG-0911Lb: A Secondary on the Brown-dwarf Planet Boundary around an M Dwarf
Miyazaki, Shota
Sumi, Takahiro
Bennett, David P.
Udalski, Andrzej
Shvartzvald, Yossi
Street, Rachel
Bozza, Valerio
Yee, Jennifer C.
Bond, Ian A.
Rattenbury, Nicholas
Koshimoto, Naoki
Suzuki, Daisuke
Fukui, Akihiko
Abe, F.
Bhattacharya, A.
Barry, R.
Donachie, M.
Fujii, H.
Hirao, Y.
Itow, Y.
Kamei, Y.
Kondo, I
Li, M. C. A.
Ling, C. H.
Matsubara, Y.
Matsuo, T.
Muraki, Y.
Nagakane, M.
Ohnishi, K.
Ranc, C.
Saito, T.
Sharan, A.
Shibai, H.
Suematsu, H.
Sullivan, D. J.
Tristram, P. J.
Yamakawa, T.
Yonehara, A.
Skowron, J.
Poleski, R.
Mroz, P.
Szymanski, M. K.
Soszynski, I
Pietrukowicz, P.
KozLowski, S.
Ulaczyk, K.
Wyrzykowski, L.
Friedmann, Matan
Kaspi, Shai
Maoz, Dan
ASTRONOMICAL JOURNAL, 2020, 159 (02):
[2] OGLE-2016-BLG-1093Lb: A Sub-Jupiter-mass Spitzer Planet Located in the Galactic Bulge
Shin, In-Gu
Yee, Jennifer C.
Hwang, Kyu-Ha
Gould, Andrew
Udalski, Andrzej
Bond, Ian A.
Albrow, Michael D.
Chung, Sun-Ju
Han, Cheongho
Jung, Youn Kil
Kim, Hyoun Woo
Ryu, Yoon-Hyun
Shvartzvald, Yossi
Zang, Weicheng
Cha, Sang-Mok
Kim, Dong-Jin
Kim, Seung-Lee
Lee, Chung-Uk
Lee, Dong-Joo
Lee, Yongseok
Park, Byeong-Gon
Pogge, Richard W.
Mroz, Przemek
Szymanski, Michal K.
Skowron, Jan
Poleski, Radek
Soszynski, Igor
Pietrukowicz, Pawel
Kozlowski, Szymon
Ulaczyk, Krzysztof
Beichman, Charles A.
Bryden, Geoffery
Novati, Sebastiano Calchi
Carey, Sean
Gaudi, B. Scott
Henderson, Calen B.
Zhu, Wei
Abe, Fumio
Barry, Richard K.
Bennett, David P.
Bhattacharya, Aparna
Fujii, Hirosane
Fukui, Akihiko
Hirao, Yuki
Itow, Yoshitaka
Kirikawa, Rintaro
Koshimoto, Naoki
Kondo, Iona
Matsubara, Yutaka
Matsumoto, Sho
ASTRONOMICAL JOURNAL, 2022, 163 (06):
[3] OGLE-2016-BLG-1190Lb: The First Spitzer Bulge Planet Lies Near the Planet/Brown-dwarf Boundary
Ryu, Y. -H.
Yee, J. C.
Udalski, A.
Bond, I. A.
Shvartzvald, Y.
Zang, W.
Jaimes, R. Figuera
Jorgensen, U. G.
Zhu, W.
Huang, C. X.
Jung, Y. K.
Albrow, M. D.
Chung, S. -J.
Gould, A.
Han, C.
Hwang, K. -H.
Shin, I. -G.
Cha, S. -M.
Kim, D. -J.
Kim, H. -W.
Kim, S. -L.
Lee, C. -U.
Lee, D. -J.
Lee, Y.
Park, B. -G.
Pogge, R. W.
Novati, S. Calchi
Carey, S.
Henderson, C. B.
Beichman, C.
Gaudi, B. S.
Mroz, P.
Poleski, R.
Skowron, J.
Szymanski, M. K.
Soszynski, I.
Kozlowski, S.
Pietrukowicz, P.
Ulaczyk, K.
Pawlak, M.
Abe, F.
Asakura, Y.
Barry, R.
Bennett, D. P.
Bhattacharya, A.
Donachie, M.
Evans, P.
Fukui, A.
Hirao, Y.
Itow, Y.
ASTRONOMICAL JOURNAL, 2018, 155 (01):
[4] OGLE-2015-BLG-1649Lb: A Gas Giant Planet around a Low-mass Dwarf
Nagakane, M.
Lee, Chien-Hsiu
Koshimoto, N.
Suzuki, D.
Udalski, A.
Beaulieu, J. P.
Sumi, T.
Bennett, D. P.
Bond, I. A.
Rattenbury, N.
Bachelet, E.
Dominik, M.
Abe, F.
Barry, R. K.
Bhattacharya, A.
Donachie, M.
Fujii, H.
Fukui, A.
Hirao, Y.
Itow, Y.
Kamei, Y.
Kondo, I
Li, M. C. A.
Matsubara, Y.
Matsuo, T.
Miyazaki, S.
Muraki, Y.
Ranc, C.
Shibai, H.
Suematsu, H.
Sullivan, D. J.
Tristram, P. J.
Yamakawa, T.
Yonehara, A.
Mroz, P.
Poleski, R.
Skowron, J.
Szymanski, M. K.
Soszynski, I
Pietrukowicz, P.
Kozlowski, S.
Ulaczyk, K.
Bramich, D. M.
Cassan, A.
Figuera Jaimes, R.
Horne, K.
Hundertmark, M.
Mao, S.
Menzies, J.
Schmidt, R.
ASTRONOMICAL JOURNAL, 2019, 158 (05):
[5] OGLE-2017-BLG-1049: ANOTHER GIANT PLANET MICROLENSING EVENT
Kim, Yun Hak
Chung, Sun-Ju
Udalski, A.
Bond, Ian A.
Jung, Youn Kil
Gould, Andrew
Albrow, Michael D.
Han, Cheongho
Hwang, Kyu-Ha
Ryu, Yoon-Hyun
Shin, In-Gu
Shvartzvald, Yossi
Yee, Jennifer C.
Zang, Weicheng
Cha, Sang-Mok
Kim, Dong-Jin
Kim, Hyoun-Woo
Kim, Seung-Lee
Lee, Chung-Uk
Lee, Dong-Joo
Lee, Yongseok
Park, Byeong-Gon
Pogge, Richard W.
Poleski, Radek
Mroz, Przemek
Skowron, Jan
Szymanski, Michal K.
Soszynski, Igor
Pietrukowicz, Pawel
Kozlowski, Syzmon
Ulaczyk, Krzysztof
Rybicki, Krzysztof A.
Iwanek, Patryk
Abe, Fumio
Barry, Richard
Bennett, David P.
Bhattacharya, Aparna
Donachie, Martin
Fujii, Hirosane
Fukui, Akihiko
Itow, Yoshitaka
Hirao, Yuki
Kirikawa, Rintaro
Kondo, Iona
Koshimoto, Naoki
Matsubara, Yutaka
Muraki, Yasushi
Miyazaki, Shota
Ranc, Clement
Rattenbury, Nicholas J.
JOURNAL OF THE KOREAN ASTRONOMICAL SOCIETY, 2020, 53 (06) : 161 - 168
[6] OGLE-2013-BLG-1761Lb: A Massive Planet around an M/K Dwarf
Hirao, Y.
Udalski, A.
Sumi, T.
Bennett, D. P.
Koshimoto, N.
Bond, I. A.
Rattenbury, N. J.
Suzuki, D.
Abe, F.
Asakura, Y.
Barry, R. K.
Bhattacharya, A.
Donachie, M.
Evans, P.
Fukui, A.
Itow, Y.
Li, M. C. A.
Ling, C. H.
Masuda, K.
Matsubara, Y.
Matsuo, T.
Muraki, Y.
Nagakane, M.
Ohnishi, K.
Ranc, C.
Saito, To.
Sharan, A.
Shibai, H.
Sullivan, D. J.
Tristram, P. J.
Yamada, T.
Yamada, T.
Yonehara, A.
Poleski, R.
Skowron, J.
Mroz, P.
Szymanski, M. K.
Kozlowski, S.
Pietrukowicz, P.
Soszynski, I.
Wyrzykowski, L.
Ulaczyk, K.
ASTRONOMICAL JOURNAL, 2017, 154 (01):
[7] OGLE-2013-BLG-0102LA,B: MICROLENSING BINARY WITH COMPONENTS AT STAR/BROWN DWARF AND BROWN DWARF/PLANET BOUNDARIES
Jung, Y. K.
Udalski, A.
Sumi, T.
Han, C.
Gould, A.
Skowron, J.
Kozlowski, S.
Poleski, R.
Wyrzykowski, L.
Szymanski, M. K.
Pietrzynski, G.
Soszynski, I.
Ulaczyk, K.
Pietrukowicz, P.
Mroz, P.
Kubiak, M.
Abe, F.
Bennett, D. P.
Bond, I. A.
Botzler, C. S.
Freeman, M.
Fukui, A.
Fukunaga, D.
Itow, Y.
Koshimoto, N.
Larsen, P.
Ling, C. H.
Masuda, K.
Matsubara, Y.
Muraki, Y.
Namba, S.
Ohnishi, K.
Philpott, L.
Rattenbury, N. J.
Saito, To.
Sullivan, D. J.
Suzuki, D.
Tristram, P. J.
Tsurumi, N.
Wada, K.
Yamai, N.
Yock, P. C. M.
Yonehara, A.
Albrow, M.
Choi, J. -Y.
DePoy, D. L.
Gaudi, B. S.
Hwang, K. -H.
Lee, C. -U.
Park, H.
ASTROPHYSICAL JOURNAL, 2015, 798 (02):
[8] OGLE-2016-BLG-1266: A Probable Brown Dwarf/Planet Binary at the Deuterium Fusion Limit
Albrow, M. D.
Yee, J. C.
Udalski, A.
Novati, S. Calchi
Carey, S.
Henderson, C. B.
Beichman, C.
Bryden, G.
Gaudi, B. S.
Shvartzvald, Y.
Szymanski, M. K.
Mroz, P.
Skowron, J.
Poleski, R.
Soszynski, I.
Kozlowski, S.
Pietrukowicz, P.
Ulaczyk, K.
Pawlak, M.
Chung, S. -J.
Gould, A.
Han, C.
Hwang, K. -H.
Jung, Y. K.
Ryu, Y. -H.
Shin, I. -G.
Zhu, W.
Cha, S. -M.
Kim, D. -J.
Kim, H. -W.
Kim, S. -L.
Lee, C. -U.
Lee, D. -J.
Lee, Y.
Park, B. -G.
Pogge, R. W.
ASTROPHYSICAL JOURNAL, 2018, 858 (02):
[9] OGLE-2009-BLG-076S: THE MOST METAL-POOR DWARF STAR IN THE GALACTIC BULGE
Bensby, T.
Feltzing, S.
Johnson, J. A.
Gal-Yam, A.
Udalski, A.
Gould, A.
Han, C.
Aden, D.
Simmerer, J.
ASTROPHYSICAL JOURNAL LETTERS, 2009, 699 (02) : L174 - L177
[10] OGLE-2012-BLG-0724LB: A SATURN-MASS PLANET AROUND AN M DWARF
Hirao, Y.
Udalski, A.
Sumi, T.
Bennett, D. P.
Bond, I. A.
Rattenbury, N.
Suzuki, D.
Koshimoto, N.
Abe, F.
Asakura, Y.
Bhattacharya, A.
Freeman, M.
Fukui, A.
Itow, Y.
Li, M. C. A.
Ling, C. H.
Masuda, K.
Matsubara, Y.
Matsuo, T.
Muraki, Y.
Nagakane, M.
Ohnishi, K.
Oyokawa, H.
Saito, To.
Sharan, A.
Shibai, H.
Sullivan, D. J.
Tristram, P. J.
Yonehara, A.
Poleski, R.
Skowron, J.
Mroz, P.
Szymanski, M. K.
Kozlowski, S.
Pietrukowicz, P.
Soszynski, I.
Wyrzykowski, L.
Ulaczyk, K.
ASTROPHYSICAL JOURNAL, 2016, 824 (02):

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