Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing events
We report new results for the gravitational microlensing target OGLE-2011-BLG-0950 from adaptive optics images using the Keck Observatory. The original analysis by Choi et al. and reanalysis by Suzuki et al. report degenerate solutions between planetary and stellar binary lens systems. This particul...
Gespeichert in:
| Hauptverfasser: | , , , , , , , , , , , , |
|---|---|
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2022 November
|
| In: |
The astronomical journal
Year: 2022, Jahrgang: 164, Heft: 5, Pages: 1-14 |
| ISSN: | 1538-3881 |
| DOI: | 10.3847/1538-3881/ac9518 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3847/1538-3881/ac9518 Verlag, lizenzpflichtig, Volltext: https://iopscience.iop.org/article/10.3847/1538-3881/ac9518 
|
| Verfasserangaben: | Sean K. Terry, David P. Bennett, Aparna Bhattacharya, Naoki Koshimoto, Jean-Philippe Beaulieu, Joshua W. Blackman, Ian A. Bond, Andrew A. Cole, Jessica R. Lu, Jean Baptiste Marquette, Clément Ranc, Natalia Rektsini, and Aikaterini Vandorou |
MARC
| LEADER | 00000caa a2200000 c 4500 | ||
|---|---|---|---|
| 001 | 1831429543 | ||
| 003 | DE-627 | ||
| 005 | 20231113175459.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 230118s2022 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.3847/1538-3881/ac9518 |2 doi | |
| 035 | |a (DE-627)1831429543 | ||
| 035 | |a (DE-599)KXP1831429543 | ||
| 035 | |a (OCoLC)1389536223 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rda | ||
| 041 | |a eng | ||
| 084 | |a 29 |2 sdnb | ||
| 100 | 1 | |a Terry, Sean K. |e VerfasserIn |0 (DE-588)1278510168 |0 (DE-627)1831430339 |4 aut | |
| 245 | 1 | 0 | |a Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing events |c Sean K. Terry, David P. Bennett, Aparna Bhattacharya, Naoki Koshimoto, Jean-Philippe Beaulieu, Joshua W. Blackman, Ian A. Bond, Andrew A. Cole, Jessica R. Lu, Jean Baptiste Marquette, Clément Ranc, Natalia Rektsini, and Aikaterini Vandorou |
| 264 | 1 | |c 2022 November | |
| 300 | |b Diagramme | ||
| 300 | |a 14 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Gesehen am 18.01.2023 | ||
| 520 | |a We report new results for the gravitational microlensing target OGLE-2011-BLG-0950 from adaptive optics images using the Keck Observatory. The original analysis by Choi et al. and reanalysis by Suzuki et al. report degenerate solutions between planetary and stellar binary lens systems. This particular case is the most important type of degeneracy for exoplanet demographics because the distinction between a planetary mass or stellar binary companion has direct consequences for microlensing exoplanet statistics. The 8 and 10 yr baselines allow us to directly measure a relative proper motion of 4.20 ± 0.21 mas yr−1, confirming the detection of the lens star system and ruling out the planetary companion models that predict a ∼4× smaller relative proper motion. The Keck data also rule out the wide stellar binary solution unless one of the components is a stellar remnant. The combination of the lens brightness and close stellar binary light-curve parameters yields primary and secondary star masses of and at a distance of kpc and a projected separation of au. Assuming that the predicted proper motions are measurably different, the high-resolution imaging method described here can be used to disentangle this degeneracy for events observed by the Roman exoplanet microlensing survey using Roman images taken near the beginning or end of the survey. | ||
| 700 | 1 | |a Bennett, David P. |e VerfasserIn |0 (DE-588)1283262819 |0 (DE-627)1839065133 |4 aut | |
| 700 | 1 | |a Bhattacharya, Aparna |e VerfasserIn |4 aut | |
| 700 | 1 | |a Koshimoto, Naoki |e VerfasserIn |4 aut | |
| 700 | 1 | |a Beaulieu, Jean-Philippe |d 1969- |e VerfasserIn |0 (DE-588)1258875020 |0 (DE-627)1805484001 |4 aut | |
| 700 | 1 | |a Blackman, Joshua W. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Bond, Ian A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Cole, Andrew A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Lu, Jessica R. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Marquette, Jean Baptiste |e VerfasserIn |4 aut | |
| 700 | 1 | |a Ranc, Clément |e VerfasserIn |0 (DE-588)1204147469 |0 (DE-627)1689284927 |4 aut | |
| 700 | 1 | |a Rektsini, Natalia |e VerfasserIn |4 aut | |
| 700 | 1 | |a Vandorou, Aikaterini |e VerfasserIn |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t The astronomical journal |d Washington, DC : AAS Publishing, American Astronomical Society, 1998 |g 164(2022), 5, Artikel-ID 217, Seite 1-14 |w (DE-627)312175647 |w (DE-600)2003104-X |w (DE-576)090883306 |x 1538-3881 |7 nnas |a Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing events |
| 773 | 1 | 8 | |g volume:164 |g year:2022 |g number:5 |g elocationid:217 |g pages:1-14 |g extent:14 |a Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing events |
| 856 | 4 | 0 | |u https://doi.org/10.3847/1538-3881/ac9518 |x Verlag |x Resolving-System |z lizenzpflichtig |3 Volltext |
| 856 | 4 | 0 | |u https://iopscience.iop.org/article/10.3847/1538-3881/ac9518 |x Verlag |z lizenzpflichtig |3 Volltext |
| 951 | |a AR | ||
| 992 | |a 20230118 | ||
| 993 | |a Article | ||
| 998 | |g 1204147469 |a Ranc, Clément |m 1204147469:Ranc, Clément |d 700000 |d 714000 |d 714100 |e 700000PR1204147469 |e 714000PR1204147469 |e 714100PR1204147469 |k 0/700000/ |k 1/700000/714000/ |k 2/700000/714000/714100/ |p 11 | ||
| 999 | |a KXP-PPN1831429543 |e 4249558339 | ||
| BIB | |a Y | ||
| SER | |a journal | ||
| JSO | |a {"title":[{"title_sort":"Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing events","title":"Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing events"}],"person":[{"family":"Terry","given":"Sean K.","display":"Terry, Sean K.","roleDisplay":"VerfasserIn","role":"aut"},{"given":"David P.","family":"Bennett","role":"aut","roleDisplay":"VerfasserIn","display":"Bennett, David P."},{"given":"Aparna","family":"Bhattacharya","role":"aut","roleDisplay":"VerfasserIn","display":"Bhattacharya, Aparna"},{"role":"aut","roleDisplay":"VerfasserIn","display":"Koshimoto, Naoki","given":"Naoki","family":"Koshimoto"},{"role":"aut","roleDisplay":"VerfasserIn","display":"Beaulieu, Jean-Philippe","given":"Jean-Philippe","family":"Beaulieu"},{"role":"aut","display":"Blackman, Joshua W.","roleDisplay":"VerfasserIn","given":"Joshua W.","family":"Blackman"},{"given":"Ian A.","family":"Bond","role":"aut","display":"Bond, Ian A.","roleDisplay":"VerfasserIn"},{"family":"Cole","given":"Andrew A.","roleDisplay":"VerfasserIn","display":"Cole, Andrew A.","role":"aut"},{"role":"aut","roleDisplay":"VerfasserIn","display":"Lu, Jessica R.","given":"Jessica R.","family":"Lu"},{"given":"Jean Baptiste","family":"Marquette","role":"aut","display":"Marquette, Jean Baptiste","roleDisplay":"VerfasserIn"},{"family":"Ranc","given":"Clément","roleDisplay":"VerfasserIn","display":"Ranc, Clément","role":"aut"},{"role":"aut","display":"Rektsini, Natalia","roleDisplay":"VerfasserIn","given":"Natalia","family":"Rektsini"},{"family":"Vandorou","given":"Aikaterini","display":"Vandorou, Aikaterini","roleDisplay":"VerfasserIn","role":"aut"}],"type":{"media":"Online-Ressource","bibl":"article-journal"},"note":["Gesehen am 18.01.2023"],"language":["eng"],"recId":"1831429543","origin":[{"dateIssuedDisp":"2022 November","dateIssuedKey":"2022"}],"id":{"doi":["10.3847/1538-3881/ac9518"],"eki":["1831429543"]},"name":{"displayForm":["Sean K. Terry, David P. Bennett, Aparna Bhattacharya, Naoki Koshimoto, Jean-Philippe Beaulieu, Joshua W. Blackman, Ian A. Bond, Andrew A. Cole, Jessica R. Lu, Jean Baptiste Marquette, Clément Ranc, Natalia Rektsini, and Aikaterini Vandorou"]},"physDesc":[{"extent":"14 S.","noteIll":"Diagramme"}],"relHost":[{"pubHistory":["Nachgewiesen 115.1998 - ; auch mit durchgehender Nr.-Zählung"],"part":{"year":"2022","pages":"1-14","issue":"5","volume":"164","text":"164(2022), 5, Artikel-ID 217, Seite 1-14","extent":"14"},"titleAlt":[{"title":"AJ electronic edition"}],"note":["Gesehen am 13.12.2023","Fortsetzung der Druck-Ausgabe"],"type":{"bibl":"periodical","media":"Online-Ressource"},"disp":"Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing eventsThe astronomical journal","language":["eng"],"recId":"312175647","title":[{"title_sort":"astronomical journal","title":"The astronomical journal"}],"origin":[{"dateIssuedDisp":"1998-","dateIssuedKey":"1998","publisher":"AAS Publishing, American Astronomical Society ; Univ. of Chicago Press, Journals Division ; Institute of Physics Publ.","publisherPlace":"Washington, DC ; Chicago, Ill. ; London"}],"id":{"eki":["312175647"],"zdb":["2003104-X"],"issn":["1538-3881"]}}]} | ||
| SRT | |a TERRYSEANKADAPTIVEOP2022 | ||