Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb

N. J. Rattenbury; D. P. Bennett; T {Sumi}; N {Koshimoto}; I A Bond; A {Udalski}; Y Shvartzvald; D {Maoz}; U G Jørgensen; M {Dominik}; R A Street; Y {Tsapras}; F {Abe}; Y {Asakura}; R {Barry}; A. Bhattacharya; M {Donachie}; P. Evans; M. Freeman; A {Fukui}; Y {Hirao}; Y Itow; M. C.A. Li; C. H. Ling; K. Masuda; Y {Matsubara}; Y Muraki; M {Nagakane}; K. Ohnishi; H {Oyokawa}; To Saito; A {Sharan}; D J Sullivan; D. Suzuki; P. J. Tristram; A {Yonehara}; R {Poleski}; J. Skowron; P {Mróz}; M K Szymański; I. Soszyński; P {Pietrukowicz}; S Kozłowski; K. Ulaczyk; L {Wyrzykowski}; M {Friedmann}; S Kaspi; K. Alsubai; P {Browne}; J. M. Andersen; V Bozza; S {Calchi Novati}; Y. Damerdji; C {Diehl}; S. Dreizler; A {Elyiv}; E {Giannini}; S. Hardis; K Harpsøe; T. C. Hinse; C {Liebig}; M Hundertmark; D {Juncher}; N {Kains}; E. Kerins; H {Korhonen}; L L Mancini; R. Martin; M. Mathiasen; M {Rabus}; S Rahvar; G {Scarpetta}; J {Skottfelt}; C. Snodgrass; J {Surdej}; J. Taylor; J {Tregloan-Reed}; C {Vilela}; J {Wambsganss}; A. Williams; G {D'Ago}; E. Bachelet; D. M. Bramich; R {Figuera Jaimes}; K. Horne; J Menzies; R. Schmidt; I A Steele

doi:10.1093/mnras/stw3185

Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb

N. J. Rattenbury^*, D. P. Bennett, T {Sumi}, N {Koshimoto}, I A Bond, A {Udalski}, Y Shvartzvald, D {Maoz}, U G Jørgensen, M {Dominik}, R A Street, Y {Tsapras}, F {Abe}, Y {Asakura}, R {Barry}, A. Bhattacharya, M {Donachie}, P. Evans, M. Freeman, A {Fukui}Y {Hirao}, Y Itow, M. C.A. Li, C. H. Ling, K. Masuda, Y {Matsubara}, Y Muraki, M {Nagakane}, K. Ohnishi, H {Oyokawa}, To Saito, A {Sharan}, D J Sullivan, D. Suzuki, P. J. Tristram, A {Yonehara}, R {Poleski}, J. Skowron, P {Mróz}, M K Szymański, I. Soszyński, P {Pietrukowicz}, S Kozłowski, K. Ulaczyk, L {Wyrzykowski}, M {Friedmann}, S Kaspi, K. Alsubai, P {Browne}, J. M. Andersen, V Bozza, S {Calchi Novati}, Y. Damerdji, C {Diehl}, S. Dreizler, A {Elyiv}, E {Giannini}, S. Hardis, K Harpsøe, T. C. Hinse, C {Liebig}, M Hundertmark, D {Juncher}, N {Kains}, E. Kerins, H {Korhonen}, L L Mancini, R. Martin, M. Mathiasen, M {Rabus}, S Rahvar, G {Scarpetta}, J {Skottfelt}, C. Snodgrass, J {Surdej}, J. Taylor, J {Tregloan-Reed}, C {Vilela}, J {Wambsganss}, A. Williams, G {D'Ago}, E. Bachelet, D. M. Bramich, R {Figuera Jaimes}, K. Horne, J Menzies, R. Schmidt, I A Steele

^*Corresponding author for this work

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Abstract

We report the discovery of a planet - OGLE-2014-BLG-0676Lb- via gravitational microlensing. Observations for the lensing event were made by the following groups: Microlensing Observations in Astrophysics; Optical Gravitational Lensing Experiment; Wise Observatory; RoboNET/Las Cumbres Observatory Global Telescope; Microlensing Network for the Detection of Small Terrestrial Exoplanets; and μ-FUN. All analyses of the light-curve data favour a lens system comprising a planetary mass orbiting a host star. The most-favoured binary lens model has a mass ratio between the two lens masses of (4.78 ± 0.13) × 10^-3. Subject to some important assumptions, a Bayesian probability density analysis suggests the lens system comprises a 3.09_-1.12 ^+1.02 MJ planet orbiting a 0.62-_0.22 ^+0.20 M_⊙ host star at a deprojected orbital separation of 4.40_-1.46 ^+2.16 au. The distance to the lens system is 2.22_-0.83 ^+0.96 kpc. Planet OGLE- 2014-BLG-0676Lb provides additional data to the growing number of cool planets discovered using gravitational microlensing against which planetary formation theories may be tested. Most of the light in the baseline of this event is expected to come from the lens and thus high-resolution imaging observations could confirm our planetary model interpretation.

Original language	English
Pages (from-to)	2710-2717
Number of pages	8
Journal	Monthly Notices of the Royal Astronomical Society
Volume	466
Issue number	3
Early online date	10 Dec 2016
DOIs	https://doi.org/10.1093/mnras/stw3185
Publication status	Published - Apr 2017

Keywords

Gravitational lensing: micro
Planets and satellites: detection

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10.1093/mnras/stw3185

1612.03511Accepted author manuscript, 1.52 MB

https://arxiv.org/abs/1612.03511

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Rattenbury, N. J., Bennett, D. P., {Sumi}, T., {Koshimoto}, N., Bond, I. A., {Udalski}, A., Shvartzvald, Y., {Maoz}, D., Jørgensen, U. G., {Dominik}, M., Street, R. A., {Tsapras}, Y., {Abe}, F., {Asakura}, Y., {Barry}, R., Bhattacharya, A., {Donachie}, M., Evans, P., Freeman, M., ... Steele, I. A. (2017). Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb. Monthly Notices of the Royal Astronomical Society, 466(3), 2710-2717. https://doi.org/10.1093/mnras/stw3185

@article{5fb75c2313c04d86a6a2c3dfce836f33,

title = "Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb",

abstract = "We report the discovery of a planet - OGLE-2014-BLG-0676Lb- via gravitational microlensing. Observations for the lensing event were made by the following groups: Microlensing Observations in Astrophysics; Optical Gravitational Lensing Experiment; Wise Observatory; RoboNET/Las Cumbres Observatory Global Telescope; Microlensing Network for the Detection of Small Terrestrial Exoplanets; and μ-FUN. All analyses of the light-curve data favour a lens system comprising a planetary mass orbiting a host star. The most-favoured binary lens model has a mass ratio between the two lens masses of (4.78 ± 0.13) × 10-3. Subject to some important assumptions, a Bayesian probability density analysis suggests the lens system comprises a 3.09-1.12 +1.02 MJ planet orbiting a 0.62-0.22 +0.20 M⊙ host star at a deprojected orbital separation of 4.40-1.46 +2.16 au. The distance to the lens system is 2.22-0.83 +0.96 kpc. Planet OGLE- 2014-BLG-0676Lb provides additional data to the growing number of cool planets discovered using gravitational microlensing against which planetary formation theories may be tested. Most of the light in the baseline of this event is expected to come from the lens and thus high-resolution imaging observations could confirm our planetary model interpretation.",

keywords = "Gravitational lensing: micro, Planets and satellites: detection",

author = "Rattenbury, {N. J.} and Bennett, {D. P.} and T {Sumi} and N {Koshimoto} and Bond, {I A} and A {Udalski} and Y Shvartzvald and D {Maoz} and J{\o}rgensen, {U G} and M {Dominik} and Street, {R A} and Y {Tsapras} and F {Abe} and Y {Asakura} and R {Barry} and A. Bhattacharya and M {Donachie} and P. Evans and M. Freeman and A {Fukui} and Y {Hirao} and Y Itow and Li, {M. C.A.} and Ling, {C. H.} and K. Masuda and Y {Matsubara} and Y Muraki and M {Nagakane} and K. Ohnishi and H {Oyokawa} and To Saito and A {Sharan} and Sullivan, {D J} and D. Suzuki and Tristram, {P. J.} and A {Yonehara} and R {Poleski} and J. Skowron and P {Mr{\'o}z} and Szyma{\'n}ski, {M K} and I. Soszy{\'n}ski and P {Pietrukowicz} and S Koz{\l}owski and K. Ulaczyk and L {Wyrzykowski} and M {Friedmann} and S Kaspi and K. Alsubai and P {Browne} and Andersen, {J. M.} and V Bozza and {{Calchi Novati}}, S and Y. Damerdji and C {Diehl} and S. Dreizler and A {Elyiv} and E {Giannini} and S. Hardis and K Harps{\o}e and Hinse, {T. C.} and C {Liebig} and M Hundertmark and D {Juncher} and N {Kains} and E. Kerins and H {Korhonen} and Mancini, {L L} and R. Martin and M. Mathiasen and M {Rabus} and S Rahvar and G {Scarpetta} and J {Skottfelt} and C. Snodgrass and J {Surdej} and J. Taylor and J {Tregloan-Reed} and C {Vilela} and J {Wambsganss} and A. Williams and G {D'Ago} and E. Bachelet and Bramich, {D. M.} and {{Figuera Jaimes}}, R and K. Horne and J Menzies and R. Schmidt and Steele, {I A}",

year = "2017",

month = apr,

doi = "10.1093/mnras/stw3185",

language = "English",

volume = "466",

pages = "2710--2717",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "1365-2966",

publisher = "Oxford University Press",

number = "3",

}

Rattenbury, NJ, Bennett, DP, {Sumi}, T, {Koshimoto}, N, Bond, IA, {Udalski}, A, Shvartzvald, Y, {Maoz}, D, Jørgensen, UG, {Dominik}, M, Street, RA, {Tsapras}, Y, {Abe}, F, {Asakura}, Y, {Barry}, R, Bhattacharya, A, {Donachie}, M, Evans, P, Freeman, M, {Fukui}, A, {Hirao}, Y, Itow, Y, Li, MCA, Ling, CH, Masuda, K, {Matsubara}, Y, Muraki, Y, {Nagakane}, M, Ohnishi, K, {Oyokawa}, H, Saito, T, {Sharan}, A, Sullivan, DJ, Suzuki, D, Tristram, PJ, {Yonehara}, A, {Poleski}, R, Skowron, J, {Mróz}, P, Szymański, MK, Soszyński, I, {Pietrukowicz}, P, Kozłowski, S, Ulaczyk, K, {Wyrzykowski}, L, {Friedmann}, M, Kaspi, S, Alsubai, K, {Browne}, P, Andersen, JM, Bozza, V, {Calchi Novati}, S, Damerdji, Y, {Diehl}, C, Dreizler, S, {Elyiv}, A, {Giannini}, E, Hardis, S, Harpsøe, K, Hinse, TC, {Liebig}, C, Hundertmark, M, {Juncher}, D, {Kains}, N, Kerins, E, {Korhonen}, H, Mancini, LL, Martin, R, Mathiasen, M, {Rabus}, M, Rahvar, S, {Scarpetta}, G, {Skottfelt}, J, Snodgrass, C, {Surdej}, J, Taylor, J, {Tregloan-Reed}, J, {Vilela}, C, {Wambsganss}, J, Williams, A, {D'Ago}, G, Bachelet, E, Bramich, DM, {Figuera Jaimes}, R, Horne, K, Menzies, J, Schmidt, R & Steele, IA 2017, 'Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb', Monthly Notices of the Royal Astronomical Society, vol. 466, no. 3, pp. 2710-2717. https://doi.org/10.1093/mnras/stw3185

TY - JOUR

T1 - Faint-source-star planetary microlensing

T2 - The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb

AU - Rattenbury, N. J.

AU - Bennett, D. P.

AU - {Sumi}, T

AU - {Koshimoto}, N

AU - Bond, I A

AU - {Udalski}, A

AU - Shvartzvald, Y

AU - {Maoz}, D

AU - Jørgensen, U G

AU - {Dominik}, M

AU - Street, R A

AU - {Tsapras}, Y

AU - {Abe}, F

AU - {Asakura}, Y

AU - {Barry}, R

AU - Bhattacharya, A.

AU - {Donachie}, M

AU - Evans, P.

AU - Freeman, M.

AU - {Fukui}, A

AU - {Hirao}, Y

AU - Itow, Y

AU - Li, M. C.A.

AU - Ling, C. H.

AU - Masuda, K.

AU - {Matsubara}, Y

AU - Muraki, Y

AU - {Nagakane}, M

AU - Ohnishi, K.

AU - {Oyokawa}, H

AU - Saito, To

AU - {Sharan}, A

AU - Sullivan, D J

AU - Suzuki, D.

AU - Tristram, P. J.

AU - {Yonehara}, A

AU - {Poleski}, R

AU - Skowron, J.

AU - {Mróz}, P

AU - Szymański, M K

AU - Soszyński, I.

AU - {Pietrukowicz}, P

AU - Kozłowski, S

AU - Ulaczyk, K.

AU - {Wyrzykowski}, L

AU - {Friedmann}, M

AU - Kaspi, S

AU - Alsubai, K.

AU - {Browne}, P

AU - Andersen, J. M.

AU - Bozza, V

AU - {Calchi Novati}, S

AU - Damerdji, Y.

AU - {Diehl}, C

AU - Dreizler, S.

AU - {Elyiv}, A

AU - {Giannini}, E

AU - Hardis, S.

AU - Harpsøe, K

AU - Hinse, T. C.

AU - {Liebig}, C

AU - Hundertmark, M

AU - {Juncher}, D

AU - {Kains}, N

AU - Kerins, E.

AU - {Korhonen}, H

AU - Mancini, L L

AU - Martin, R.

AU - Mathiasen, M.

AU - {Rabus}, M

AU - Rahvar, S

AU - {Scarpetta}, G

AU - {Skottfelt}, J

AU - Snodgrass, C.

AU - {Surdej}, J

AU - Taylor, J.

AU - {Tregloan-Reed}, J

AU - {Vilela}, C

AU - {Wambsganss}, J

AU - Williams, A.

AU - {D'Ago}, G

AU - Bachelet, E.

AU - Bramich, D. M.

AU - {Figuera Jaimes}, R

AU - Horne, K.

AU - Menzies, J

AU - Schmidt, R.

AU - Steele, I A

PY - 2017/4

Y1 - 2017/4

N2 - We report the discovery of a planet - OGLE-2014-BLG-0676Lb- via gravitational microlensing. Observations for the lensing event were made by the following groups: Microlensing Observations in Astrophysics; Optical Gravitational Lensing Experiment; Wise Observatory; RoboNET/Las Cumbres Observatory Global Telescope; Microlensing Network for the Detection of Small Terrestrial Exoplanets; and μ-FUN. All analyses of the light-curve data favour a lens system comprising a planetary mass orbiting a host star. The most-favoured binary lens model has a mass ratio between the two lens masses of (4.78 ± 0.13) × 10-3. Subject to some important assumptions, a Bayesian probability density analysis suggests the lens system comprises a 3.09-1.12 +1.02 MJ planet orbiting a 0.62-0.22 +0.20 M⊙ host star at a deprojected orbital separation of 4.40-1.46 +2.16 au. The distance to the lens system is 2.22-0.83 +0.96 kpc. Planet OGLE- 2014-BLG-0676Lb provides additional data to the growing number of cool planets discovered using gravitational microlensing against which planetary formation theories may be tested. Most of the light in the baseline of this event is expected to come from the lens and thus high-resolution imaging observations could confirm our planetary model interpretation.

AB - We report the discovery of a planet - OGLE-2014-BLG-0676Lb- via gravitational microlensing. Observations for the lensing event were made by the following groups: Microlensing Observations in Astrophysics; Optical Gravitational Lensing Experiment; Wise Observatory; RoboNET/Las Cumbres Observatory Global Telescope; Microlensing Network for the Detection of Small Terrestrial Exoplanets; and μ-FUN. All analyses of the light-curve data favour a lens system comprising a planetary mass orbiting a host star. The most-favoured binary lens model has a mass ratio between the two lens masses of (4.78 ± 0.13) × 10-3. Subject to some important assumptions, a Bayesian probability density analysis suggests the lens system comprises a 3.09-1.12 +1.02 MJ planet orbiting a 0.62-0.22 +0.20 M⊙ host star at a deprojected orbital separation of 4.40-1.46 +2.16 au. The distance to the lens system is 2.22-0.83 +0.96 kpc. Planet OGLE- 2014-BLG-0676Lb provides additional data to the growing number of cool planets discovered using gravitational microlensing against which planetary formation theories may be tested. Most of the light in the baseline of this event is expected to come from the lens and thus high-resolution imaging observations could confirm our planetary model interpretation.

KW - Gravitational lensing: micro

KW - Planets and satellites: detection

UR - http://www.scopus.com/inward/record.url?scp=85018245159&partnerID=8YFLogxK

U2 - 10.1093/mnras/stw3185

DO - 10.1093/mnras/stw3185

M3 - Article

AN - SCOPUS:85018245159

SN - 1365-2966

VL - 466

SP - 2710

EP - 2717

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 3

ER -

Faint-source-star planetary microlensing: The discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb

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