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OGLE-2016-BLG-1093Lb : A sub-Jupiter-mass spitzer planet located in the galactic bulge
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The OGLE Collaboration (Including:
). (2022) OGLE-2016-BLG-1093Lb : A sub-Jupiter-mass spitzer planet located in the galactic bulge. The Astronomical Journal, 163 (6). 254. doi:10.3847/1538-3881/ac6513 ISSN 1538-3881.
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Shin_2022_AJ_163_254.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2511Kb) | Preview |
Official URL: https://doi.org/10.3847/1538-3881/ac6513
Abstract
OGLE-2016-BLG-1093 is a planetary microlensing event that is part of the statistical Spitzer microlens parallax sample. The precise measurement of the microlens parallax effect for this event, combined with the measurement of finite-source effects, leads to a direct measurement of the lens masses and system distance, M host =0.38–0.57 M ⊙ and m p = 0.59–0.87 M Jup, and the system is located at the Galactic bulge (D L ∼ 8.1 kpc). Because this was a high-magnification event, we are also able to empirically show that the “cheap-space parallax” concept produces well-constrained (and consistent) results for ∣π E∣. This demonstrates that this concept can be extended to many two-body lenses. Finally, we briefly explore systematics in the Spitzer light curve in this event and show that their potential impact is strongly mitigated by the color constraint.
Item Type: | Journal Article | ||||||||||||||||||||||||||||||||||||
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Subjects: | Q Science > QB Astronomy | ||||||||||||||||||||||||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||||||||||||||||||||||||||
SWORD Depositor: | Library Publications Router | ||||||||||||||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Microlensing (Astrophysics), Astrophysics, Extrasolar planets | ||||||||||||||||||||||||||||||||||||
Journal or Publication Title: | The Astronomical Journal | ||||||||||||||||||||||||||||||||||||
Publisher: | The American Astronomical Society | ||||||||||||||||||||||||||||||||||||
ISSN: | 1538-3881 | ||||||||||||||||||||||||||||||||||||
Official Date: | 10 May 2022 | ||||||||||||||||||||||||||||||||||||
Dates: |
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Volume: | 163 | ||||||||||||||||||||||||||||||||||||
Number: | 6 | ||||||||||||||||||||||||||||||||||||
Article Number: | 254 | ||||||||||||||||||||||||||||||||||||
DOI: | 10.3847/1538-3881/ac6513 | ||||||||||||||||||||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||||||||||||||||||||||||||
Date of first compliant deposit: | 4 November 2022 | ||||||||||||||||||||||||||||||||||||
Date of first compliant Open Access: | 4 November 2022 | ||||||||||||||||||||||||||||||||||||
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