The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm
We present aperture masking interferometry (AMI) observations of the star HIP 65426 at 3.8 μ m, as part of the JWST Direct Imaging Early Release Science program, obtained using the Near Infrared Imager and Slitless Spectrograph instrument. This mode provides access to very small inner working angles...
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2025-01-01
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| Online Access: | https://doi.org/10.3847/2041-8213/adaeb7 |
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| author | Shrishmoy Ray Steph Sallum Sasha Hinkley Anand Sivaramkrishnan Rachel Cooper Jens Kammerer Alexandra Z. Greebaum Deeparshi Thatte Tomas Stolker Cecilia Lazzoni Andrei Tokovinin Matthew de Furio Samuel Factor Michael Meyer Jordan M. Stone Aarynn Carter Beth Biller Andrew Skemer Genaro Suárez Jarron M. Leisenring Marshall D. Perrin Adam L. Kraus Olivier Absil William O. Balmer Anthony Boccaletti Mariangela Bonavita Mickael Bonnefoy Mark Booth Brendan P. Bowler Zackery W. Briesemeister Marta L. Bryan Per Calissendorff Faustine Cantalloube Gael Chauvin Christine H. Chen Elodie Choquet Valentin Christiaens Gabriele Cugno Thayne Currie Camilla Danielski Trent J. Dupuy Jacqueline K. Faherty Michael P. Fitzgerald Jonathan J. Fortney Kyle Franson Julien H. Girard Carol A. Grady Eileen C. Gonzales Thomas Henning Dean C. Hines Kielan K. W. Hoch Callie E. Hood Alex R. Howe Markus Janson Paul Kalas Grant M. Kennedy Matthew A. Kenworthy Pierre Kervella Masayuki Kuzuhara Anne-Marie Lagrange Pierre-Olivier Lagage Kellen Lawson Ben W. P. Lew Michael C. Liu Pengyu Liu Jorge Llop-Sayson James P. Lloyd Bruce Macintosh Sebastian Marino Mark S. Marley Christian Marois Raquel A. Martinez Brenda C. Matthews Elisabeth C. Matthews Dimitri Mawet Johan Mazoyer Michael W. McElwain Stanimir Metchev Michael R. Meyer Brittany E. Miles Maxwell A. Millar-Blanchaer Paul Molliere Sarah E. Moran Caroline V. Morley Sagnick Mukherjee Paulina Palma-Bifani Eric Pantin Polychronis Patapis Simon Petrus Laurent Pueyo Sascha P. Quanz Andreas Quirrenbach Isabel Rebollido Jea Adams Redai Bin B. Ren Emily Rickman Matthias Samland Joshua E. Schlieder Glenn Schneider Karl R. Stapelfeldt Motohide Tamura Xianyu Tan Taichi Uyama Arthur Vigan Malavika Vasist Johanna M. Vos Kevin Wagner Jason J. Wang Kimberly Ward-Duong Niall Whiteford Schuyler G. Wolff Kadin Worthen Mark C. Wyatt Marie Ygouf Xi Zhang Keming Zhang Zhoujian Zhang Yifan Zhou Alice Zurlo B. A. Sargent Christopher A. Theissen Elena Manjavacas Anna Lueber Daniel Kitzmann Ben J. Sutlieff Sarah K. Betti |
| author_facet | Shrishmoy Ray Steph Sallum Sasha Hinkley Anand Sivaramkrishnan Rachel Cooper Jens Kammerer Alexandra Z. Greebaum Deeparshi Thatte Tomas Stolker Cecilia Lazzoni Andrei Tokovinin Matthew de Furio Samuel Factor Michael Meyer Jordan M. Stone Aarynn Carter Beth Biller Andrew Skemer Genaro Suárez Jarron M. Leisenring Marshall D. Perrin Adam L. Kraus Olivier Absil William O. Balmer Anthony Boccaletti Mariangela Bonavita Mickael Bonnefoy Mark Booth Brendan P. Bowler Zackery W. Briesemeister Marta L. Bryan Per Calissendorff Faustine Cantalloube Gael Chauvin Christine H. Chen Elodie Choquet Valentin Christiaens Gabriele Cugno Thayne Currie Camilla Danielski Trent J. Dupuy Jacqueline K. Faherty Michael P. Fitzgerald Jonathan J. Fortney Kyle Franson Julien H. Girard Carol A. Grady Eileen C. Gonzales Thomas Henning Dean C. Hines Kielan K. W. Hoch Callie E. Hood Alex R. Howe Markus Janson Paul Kalas Grant M. Kennedy Matthew A. Kenworthy Pierre Kervella Masayuki Kuzuhara Anne-Marie Lagrange Pierre-Olivier Lagage Kellen Lawson Ben W. P. Lew Michael C. Liu Pengyu Liu Jorge Llop-Sayson James P. Lloyd Bruce Macintosh Sebastian Marino Mark S. Marley Christian Marois Raquel A. Martinez Brenda C. Matthews Elisabeth C. Matthews Dimitri Mawet Johan Mazoyer Michael W. McElwain Stanimir Metchev Michael R. Meyer Brittany E. Miles Maxwell A. Millar-Blanchaer Paul Molliere Sarah E. Moran Caroline V. Morley Sagnick Mukherjee Paulina Palma-Bifani Eric Pantin Polychronis Patapis Simon Petrus Laurent Pueyo Sascha P. Quanz Andreas Quirrenbach Isabel Rebollido Jea Adams Redai Bin B. Ren Emily Rickman Matthias Samland Joshua E. Schlieder Glenn Schneider Karl R. Stapelfeldt Motohide Tamura Xianyu Tan Taichi Uyama Arthur Vigan Malavika Vasist Johanna M. Vos Kevin Wagner Jason J. Wang Kimberly Ward-Duong Niall Whiteford Schuyler G. Wolff Kadin Worthen Mark C. Wyatt Marie Ygouf Xi Zhang Keming Zhang Zhoujian Zhang Yifan Zhou Alice Zurlo B. A. Sargent Christopher A. Theissen Elena Manjavacas Anna Lueber Daniel Kitzmann Ben J. Sutlieff Sarah K. Betti |
| author_sort | Shrishmoy Ray |
| collection | DOAJ |
| description | We present aperture masking interferometry (AMI) observations of the star HIP 65426 at 3.8 μ m, as part of the JWST Direct Imaging Early Release Science program, obtained using the Near Infrared Imager and Slitless Spectrograph instrument. This mode provides access to very small inner working angles (even separations slightly below the Michelson limit of 0.5 λ / D for an interferometer), which are inaccessible with the classical inner working angles of the JWST coronagraphs. When combined with JWST’s unprecedented infrared sensitivity, this mode has the potential to probe a new portion of parameter space across a wide array of astronomical observations. Using this mode, we are able to achieve a 5 σ contrast of Δ m _F380M ∼ 7.62 ± 0.13 mag relative to the host star at separations ≳0 $\mathop{.}\limits^{\unicode{x02033}}$ 07 , and the contrast deteriorates steeply at separations ≲0 $\mathop{.}\limits^{\unicode{x02033}}$ 07. However, we detect no additional companions interior to the known companion HIP 65426b (at separation ∼0 $\mathop{.}\limits^{\unicode{x02033}}$ 82 or $8{7}_{-31}^{+108}\,{\rm{au}}$ ). Our observations thus rule out companions more massive than 10–12 M _Jup at separations ∼10–20 au from HIP 65426, a region out of reach of ground- or space-based coronagraphic imaging. These observations confirm that the AMI mode on JWST is sensitive to planetary mass companions at close-in separations (≳0 $\mathop{.}\limits^{\unicode{x02033}}$ 07), even for thousands of more distant stars at ∼100 pc, in addition to the stars in the nearby young moving groups and associations, as stated in previous works. This result will allow the planning and successful execution of future observations to probe the inner regions of nearby stellar systems, opening an essentially unexplored parameter space. |
| format | Article |
| id | doaj-art-66411f2d92a5490cb564f67a91c29177 |
| institution | DOAJ |
| issn | 2041-8205 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | The Astrophysical Journal Letters |
| spelling | doaj-art-66411f2d92a5490cb564f67a91c291772025-08-20T03:06:43ZengIOP PublishingThe Astrophysical Journal Letters2041-82052025-01-019831L2510.3847/2041-8213/adaeb7The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μmShrishmoy Ray0https://orcid.org/0000-0003-2259-3911Steph Sallum1https://orcid.org/0000-0001-6871-6775Sasha Hinkley2https://orcid.org/0000-0001-8074-2562Anand Sivaramkrishnan3Rachel Cooper4Jens Kammerer5https://orcid.org/0000-0003-2769-0438Alexandra Z. Greebaum6https://orcid.org/0000-0002-7162-8036Deeparshi Thatte7Tomas Stolker8https://orcid.org/0000-0002-5823-3072Cecilia Lazzoni9https://orcid.org/0000-0001-7819-9003Andrei Tokovinin10https://orcid.org/0000-0002-2084-0782Matthew de Furio11Samuel Factor12https://orcid.org/0000-0002-8332-8516Michael Meyer13Jordan M. Stone14https://orcid.org/0000-0003-0454-3718Aarynn Carter15https://orcid.org/0000-0001-5365-4815Beth Biller16https://orcid.org/0000-0003-4614-7035Andrew Skemer17https://orcid.org/0000-0001-6098-3924Genaro Suárez18https://orcid.org/0000-0002-2011-4924Jarron M. Leisenring19https://orcid.org/0000-0002-0834-6140Marshall D. Perrin20https://orcid.org/0000-0002-3191-8151Adam L. Kraus21https://orcid.org/0000-0001-9811-568XOlivier Absil22https://orcid.org/0000-0002-4006-6237William O. Balmer23https://orcid.org/0000-0001-6396-8439Anthony Boccaletti24https://orcid.org/0000-0001-9353-2724Mariangela Bonavita25https://orcid.org/0000-0002-7520-8389Mickael Bonnefoy26https://orcid.org/0000-0001-5579-5339Mark Booth27https://orcid.org/0000-0001-8568-6336Brendan P. Bowler28https://orcid.org/0000-0003-2649-2288Zackery W. Briesemeister29https://orcid.org/0000-0002-1764-2494Marta L. Bryan30https://orcid.org/0000-0002-6076-5967Per Calissendorff31https://orcid.org/0000-0002-5335-0616Faustine Cantalloube32https://orcid.org/0000-0002-3968-3780Gael Chauvin33https://orcid.org/0000-0003-4022-8598Christine H. Chen34https://orcid.org/0000-0002-8382-0447Elodie Choquet35https://orcid.org/0000-0002-9173-0740Valentin Christiaens36https://orcid.org/0000-0002-0101-8814Gabriele Cugno37https://orcid.org/0000-0001-7255-3251Thayne Currie38https://orcid.org/0000-0002-7405-3119Camilla Danielski39https://orcid.org/0000-0002-3729-2663Trent J. Dupuy40https://orcid.org/0000-0001-9823-1445Jacqueline K. Faherty41https://orcid.org/0000-0001-6251-0573Michael P. Fitzgerald42https://orcid.org/0000-0002-0176-8973Jonathan J. Fortney43https://orcid.org/0000-0002-9843-4354Kyle Franson44https://orcid.org/0000-0003-4557-414XJulien H. Girard45https://orcid.org/0000-0001-8627-0404Carol A. Grady46Eileen C. Gonzales47https://orcid.org/0000-0003-4636-6676Thomas Henning48https://orcid.org/0000-0002-1493-300XDean C. Hines49https://orcid.org/0000-0003-4653-6161Kielan K. W. Hoch50https://orcid.org/0000-0002-9803-8255Callie E. Hood51https://orcid.org/0000-0003-1150-7889Alex R. Howe52https://orcid.org/0000-0002-4884-7150Markus Janson53https://orcid.org/0000-0001-8345-593XPaul Kalas54https://orcid.org/0000-0002-6221-5360Grant M. Kennedy55https://orcid.org/0000-0001-6831-7547Matthew A. Kenworthy56https://orcid.org/0000-0002-7064-8270Pierre Kervella57https://orcid.org/0000-0003-0626-1749Masayuki Kuzuhara58https://orcid.org/0000-0002-4677-9182Anne-Marie Lagrange59Pierre-Olivier Lagage60Kellen Lawson61https://orcid.org/0000-0002-6964-8732Ben W. P. Lew62https://orcid.org/0000-0003-1487-6452Michael C. Liu63https://orcid.org/0000-0003-2232-7664Pengyu Liu64https://orcid.org/0000-0001-7047-0874Jorge Llop-Sayson65https://orcid.org/0000-0002-3414-784XJames P. Lloyd66Bruce Macintosh67https://orcid.org/0000-0003-1212-7538Sebastian Marino68https://orcid.org/0000-0002-5352-2924Mark S. Marley69https://orcid.org/0000-0002-5251-2943Christian Marois70https://orcid.org/0000-0002-4164-4182Raquel A. Martinez71https://orcid.org/0000-0001-6301-896XBrenda C. Matthews72https://orcid.org/0000-0003-3017-9577Elisabeth C. Matthews73https://orcid.org/0000-0003-0593-1560Dimitri Mawet74https://orcid.org/0000-0002-8895-4735Johan Mazoyer75https://orcid.org/0000-0002-9133-3091Michael W. McElwain76https://orcid.org/0000-0003-0241-8956Stanimir Metchev77https://orcid.org/0000-0003-3050-8203Michael R. Meyer78https://orcid.org/0000-0003-1227-3084Brittany E. Miles79https://orcid.org/0000-0002-5500-4602Maxwell A. Millar-Blanchaer80https://orcid.org/0000-0001-6205-9233Paul Molliere81https://orcid.org/0000-0003-4096-7067Sarah E. Moran82https://orcid.org/0000-0002-6721-3284Caroline V. Morley83https://orcid.org/0000-0002-4404-0456Sagnick Mukherjee84https://orcid.org/0000-0003-1622-1302Paulina Palma-Bifani85https://orcid.org/0000-0002-6217-6867Eric Pantin86https://orcid.org/0000-0001-6472-2844Polychronis Patapis87https://orcid.org/0000-0001-8718-3732Simon Petrus88https://orcid.org/0000-0003-0331-3654Laurent Pueyo89Sascha P. Quanz90https://orcid.org/0000-0003-3829-7412Andreas Quirrenbach91Isabel Rebollido92https://orcid.org/0000-0002-4388-6417Jea Adams Redai93https://orcid.org/0000-0002-4489-3168Bin B. Ren94https://orcid.org/0000-0003-1698-9696Emily Rickman95https://orcid.org/0000-0003-4203-9715Matthias Samland96https://orcid.org/0000-0001-9992-4067Joshua E. Schlieder97https://orcid.org/0000-0001-5347-7062Glenn Schneider98Karl R. Stapelfeldt99https://orcid.org/0000-0002-2805-7338Motohide Tamura100https://orcid.org/0000-0002-6510-0681Xianyu Tan101https://orcid.org/0000-0003-2278-6932Taichi Uyama102https://orcid.org/0000-0002-6879-3030Arthur Vigan103https://orcid.org/0000-0002-5902-7828Malavika Vasist104https://orcid.org/0000-0002-4511-3602Johanna M. Vos105https://orcid.org/0000-0003-0489-1528Kevin Wagner106https://orcid.org/0000-0002-4309-6343Jason J. Wang107https://orcid.org/0000-0003-0774-6502Kimberly Ward-Duong108https://orcid.org/0000-0002-4479-8291Niall Whiteford109https://orcid.org/0000-0001-8818-1544Schuyler G. Wolff110https://orcid.org/0000-0002-9977-8255Kadin Worthen111https://orcid.org/0000-0002-5885-5779Mark C. Wyatt112https://orcid.org/0000-0001-9064-5598Marie Ygouf113https://orcid.org/0000-0001-7591-2731Xi Zhang114Keming Zhang115https://orcid.org/0000-0002-9870-5695Zhoujian Zhang116https://orcid.org/0000-0002-3726-4881Yifan Zhou117https://orcid.org/0000-0003-2969-6040Alice Zurlo118https://orcid.org/0000-0002-5903-8316B. A. Sargent119https://orcid.org/0000-0001-9855-8261Christopher A. Theissen120https://orcid.org/0000-0002-9807-5435Elena Manjavacas121https://orcid.org/0000-0003-0192-6887Anna Lueber122https://orcid.org/0000-0001-6960-0256Daniel Kitzmann123https://orcid.org/0000-0003-4269-3311Ben J. Sutlieff124https://orcid.org/0000-0002-9962-132XSarah K. Betti125https://orcid.org/0000-0002-8667-6428School of Mathematics and Physics, University of Queensland , St Lucia, QLD 4072, Australia; University of Exeter , Astrophysics Group, Physics Building, Stocker Road, Exeter, EX4 4QL, UKDepartment of Physics and Astronomy, University of California , Irvine, 4129 Frederick Reines Hall, Irvine, CA 92697-4575, USAUniversity of Exeter , Astrophysics Group, Physics Building, Stocker Road, Exeter, EX4 4QL, UKSpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USASpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USASpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USAIPAC , Mail Code 100-22, Caltech, 1200 E. California Blvd., Pasadena, CA 91125, USASpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USALeiden Observatory, Leiden University , Niels Bohrweg 2, 2333 CA Leiden, The NetherlandsUniversity of Exeter , Astrophysics Group, Physics Building, Stocker Road, Exeter, EX4 4QL, UKCerro Tololo Inter-American Observatory , CTIO/AURA Inc., Casilla 603, La Serena, ChileDepartment of Astronomy, University of Michigan , 1085 S. University, Ann Arbor, MI 48109, USADepartment of Astronomy, University of Texas at Austin , 2515 Speedway Stop C1400, Austin, TX 78712, USADepartment of Astronomy, University of Michigan , 1085 S. University, Ann Arbor, MI 48109, USANaval Research Laboratory , Remote Sensing Division, 4555 Overlook Ave SW, WA, DC 20375, USADepartment of Astronomy & Astrophysics, University of California , Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USAScottish Universities Physics Alliance, Institute for Astronomy, University of Edinburgh , Blackford Hill, Edinburgh, EH9 3HJ, UK; Centre for Exoplanet Science, University of Edinburgh , Edinburgh EH9 3HJ, UKDepartment of Astronomy & Astrophysics, University of California , Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USADepartment of Astrophysics , American Museum of Natural History, Central Park West at 79th Street, NY 10024, USASteward Observatory and the Department of Astronomy, The University of Arizona , 933 N Cherry Ave, Tucson, AZ 85721, USASpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USADepartment of Astronomy, University of Texas at Austin , 2515 Speedway Stop C1400, Austin, TX 78712, USASpace sciences, Technologies & Astrophysics Research (STAR) Institute, Université de Liège , Allée du Six Août 19c, B-4000 Sart Tilman, BelgiumSpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USA; Department of Physics & Astronomy, Johns Hopkins University , 3400 N. Charles Street, Baltimore, MD 21218, USALESIA, Observatoire de Paris, Université PSL, CNRS, Université Paris Cité, Sorbonne Université , 5 place Jules Janssen, 92195 Meudon, FranceSchool of Physical Sciences, Faculty of Science, Technology, Engineering and Mathematics, The Open University , Walton Hall, Milton Keynes, MK7 6AA, UKUniversité Grenoble Alpes , Institut de Planétologie et d’Astrophysique (IPAG), F-38000 Grenoble, FranceAstrophysikalisches Institut und Universitätssternwarte , Friedrich-Schiller-Universität Jena, Schillergäßchen 2-3, D-07745 Jena, GermanyDepartment of Astronomy, University of Texas at Austin , 2515 Speedway Stop C1400, Austin, TX 78712, USANASA-Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771, USADepartment of Astronomy, 501 Campbell Hall, University of California Berkeley , Berkeley, CA 94720-3411, USADepartment of Astronomy, University of Michigan , 1085 S. University, Ann Arbor, MI 48109, USAAix Marseille Univ , CNRS, CNES, LAM, 13013 Marseille, FranceLaboratoire J.-L. Lagrange, Université Cote d’Azur , CNRS, Observatoire de la Cote d’Azur, 06304 Nice, FranceSpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USA; Department of Physics & Astronomy, Johns Hopkins University , 3400 N. Charles Street, Baltimore, MD 21218, USAAix Marseille Univ , CNRS, CNES, LAM, 13013 Marseille, FranceSpace sciences, Technologies & Astrophysics Research (STAR) Institute, Université de Liège , Allée du Six Août 19c, B-4000 Sart Tilman, BelgiumDepartment of Astronomy, University of Michigan , 1085 S. University, Ann Arbor, MI 48109, USADepartment of Physics and Astronomy, University of Texas-San Antonio , 1 UTSA Circle, San Antonio, TX78249, USA; Subaru Telescope, National Astronomical Observatory of Japan , 650 North A‘ohōkū Place, Hilo, HI 96720, USAInstituto de Astrofísica de Andalucía , CSIC, Glorieta de la Astronomía s/n, 18008, Granada, SpainInstitute for Astronomy, University of Edinburgh , Royal Observatory, Blackford Hill, Edinburgh, EH9 3HJ, UKDepartment of Astrophysics , American Museum of Natural History, Central Park West at 79th Street, NY 10024, USAUniversity of California , Los Angeles, 430 Portola Plaza Box 951547, Los Angeles, CA 90095-1547, USADepartment of Astronomy & Astrophysics, University of California , Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USADepartment of Astronomy, University of Texas at Austin , 2515 Speedway Stop C1400, Austin, TX 78712, USASpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USAEureka Scientific , 2452 Delmer. St., Suite 1, Oakland, CA 96402, USADepartment of Astronomy and Carl Sagan Institute, Cornell University , 122 Sciences Drive, Ithaca, NY 14853, USAMax-Planck-Institut für Astronomie , Königstuhl 17, 69117 Heidelberg, GermanySpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USACenter for Astrophysics and Space Sciences, University of California , San Diego, La Jolla, CA 92093, USADepartment of Astronomy & Astrophysics, University of California , Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USANASA-Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771, USADepartment of Astronomy, Stockholm University , AlbaNova University Center, SE-10691 Stockholm, SwedenDepartment of Astronomy, 501 Campbell Hall, University of California Berkeley , Berkeley, CA 94720-3411, USA; SETI Institute , Carl Sagan Center, 189 Bernardo Ave, Mountain View, CA 94043, USA; Institute of Astrophysics , FORTH, GR-71110 Heraklion, GreeceDepartment of Physics, University of Warwick , Gibbet Hill Road, Coventry, CV4 7AL, UKLeiden Observatory, Leiden University , P.O. Box 9513, 2300 RA Leiden, The NetherlandsLESIA, Observatoire de Paris, Université PSL, CNRS, Université Paris Cité, Sorbonne Université , 5 place Jules Janssen, 92195 Meudon, FranceAstrobiology Center of NINS , 2-21-1, Osawa, Mitaka, Tokyo 181-8588, JapanLESIA, Observatoire de Paris, Université PSL, CNRS, Université Paris Cité, Sorbonne Université , 5 place Jules Janssen, 92195 Meudon, FranceUniversité Paris-Saclay , Université Paris Cité, CEA, CNRS, AIM, 91191, Gif-sur-Yvette, FranceNASA-Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771, USABay Area Environmental Research Institute and NASA Ames Research Center , Moffett Field, CA 94035, USAInstitute for Astronomy, University of Hawai’i , 2680 Woodlawn Drive, Honolulu, HI 96822, USAScottish Universities Physics Alliance , Institute for Astronomy, University of Edinburgh, Blackford Hill, Edinburgh, EH9 3HJ, UK; Centre for Exoplanet Science, University of Edinburgh, Edinburgh, EH9 3HJ, UKDepartment of Astronomy, California Institute of Technology , Pasadena, CA 91125, USADepartment of Astronomy and Carl Sagan Institute, Cornell University , 122 Sciences Drive, Ithaca, NY 14853, USAKavli Institute for Particle Astrophysics and Cosmology, Stanford University , Stanford, CA 94305, USAJesus College, University of Cambridge , Jesus Lane, Cambridge, CB5 8BL, UK; Institute of Astronomy, University of Cambridge , Madingley Road, Cambridge, CB3 0HA, UKDept. of Planetary Sciences, Lunar & Planetary Laboratory, University of Arizona , Tucson, AZ 85721, USANational Research Council of Canada , CanadaDepartment of Physics and Astronomy, 4129 Frederick Reines Hall, University of California , Irvine, CA 92697, USAHerzberg Astronomy & Astrophysics Research Centre , National Research Council of Canada, 5071 West Saanich Road, Victoria, BC V9E 2E7, CanadaObservatoire de l’Université de Genève , Chemin Pegasi 51, 1290 Versoix, SwitzerlandDepartment of Astronomy, California Institute of Technology , Pasadena, CA 91125, USA; Jet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Drive, Pasadena, CA 91109, USALESIA, Observatoire de Paris, Université PSL, CNRS, Université Paris Cité, Sorbonne Université , 5 place Jules Janssen, 92195 Meudon, FranceNASA-Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771, USAWestern University , Department of Physics & Astronomy and Institute for Earth and Space Exploration, 1151 Richmond Street, London, Ontario, N6A 3K7, CanadaDepartment of Astronomy, University of Michigan , 1085 S. University, Ann Arbor, MI 48109, USADepartment of Astronomy & Astrophysics, University of California , Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USADepartment of Physics, University of California , Santa Barbara, CA 93106, USAMax-Planck-Institut für Astronomie , Königstuhl 17, 69117 Heidelberg, GermanyDept. of Planetary Sciences, Lunar & Planetary Laboratory, University of Arizona , Tucson, AZ 85721, USADepartment of Astronomy, University of Texas at Austin , 2515 Speedway Stop C1400, Austin, TX 78712, USADepartment of Astronomy & Astrophysics, University of California , Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USALaboratoire J.-L. Lagrange, Université Cote d’Azur , CNRS, Observatoire de la Cote d’Azur, 06304 Nice, FranceIRFU/DAp Département D’Astrophysique CE Saclay , Gif-sur-Yvette, FranceInstitute of Particle Physics and Astrophysics , ETH Zurich, Wolfgang-Pauli-Str. 27, 8093 Zurich, SwitzerlandInstituto de Física y Astronomía, Facultad de Ciencias, Universidad de Valparaíso , Av. Gran Bretaña 1111, Valparaíso, Chile; Núcleo Milenio Formacíon Planetaria—NPF, Universidad de Valparaíso , Av. Gran Bretaña 1111, Valparaíso, ChileSpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USAInstitute of Particle Physics and Astrophysics , ETH Zurich, Wolfgang-Pauli-Str. 27, 8093 Zurich, SwitzerlandLandessternwarte, Zentrum für Astronomie der Universität Heidelberg , Königstuhl 12, D-69117 Heidelberg, GermanySpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USACenter for Astrophysics ∣ Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138, USAUniversité Grenoble Alpes , Institut de Planétologie et d’Astrophysique (IPAG), F-38000 Grenoble, FranceEuropean Space Agency (ESA), ESA Office, Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USAMax-Planck-Institut für Astronomie , Königstuhl 17, 69117 Heidelberg, GermanyNASA-Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771, USASteward Observatory and the Department of Astronomy, The University of Arizona , 933 N Cherry Ave, Tucson, AZ 85721, USAJet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Drive, Pasadena, CA 91109, USAThe University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JapanTsung-Dao Lee Institute, Shanghai Jiao Tong University , 520 Shengrong Road, Shanghai, People’s Republic of ChinaIPAC , California Institute of Technology, 1200 E. California Blvd., Pasadena, CA 91125, USAAix Marseille Univ , CNRS, CNES, LAM, 13013 Marseille, FranceSpace sciences, Technologies & Astrophysics Research (STAR) Institute, Université de Liège , Allée du Six Août 19c, B-4000 Sart Tilman, BelgiumSchool of Physics, Trinity College Dublin, The University of Dublin , Dublin 2, Ireland; Department of Astrophysics , American Museum of Natural History, New York, NY 10024, USASteward Observatory and the Department of Astronomy, The University of Arizona , 933 N Cherry Ave, Tucson, AZ 85721, USADepartment of Astronomy, California Institute of Technology , Pasadena, CA 91125, USA; Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) and Department of Physics and Astronomy, Northwestern University , Evanston, IL 60208, USADepartment of Astronomy , Smith College, Northampton, MA 01063, USADepartment of Astrophysics , American Museum of Natural History, Central Park West at 79th Street, NY 10024, USASteward Observatory and the Department of Astronomy, The University of Arizona , 933 N Cherry Ave, Tucson, AZ 85721, USADepartment of Physics & Astronomy, Johns Hopkins University , 3400 N. Charles Street, Baltimore, MD 21218, USAInstitute of Astronomy, University of Cambridge , Madingley Road, Cambridge, CB3 0HA, UKJet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Drive, Pasadena, CA 91109, USADepartment of Astronomy & Astrophysics, University of California , Santa Cruz, 1156 High St, Santa Cruz, CA 95064, USADepartment of Astronomy, 501 Campbell Hall, University of California Berkeley , Berkeley, CA 94720-3411, USADepartment of Astronomy & Astrophysics, University of California , Santa Cruz, CA 95064, USADepartment of Astronomy, University of Texas at Austin , 2515 Speedway Stop C1400, Austin, TX 78712, USAInstituto de Estudios Astrofísicos , Facultad de Ingeniería y Ciencias,Universidad Diego Portales, Av. Ejército Libertador 441, Santiago, ChileSpace Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USA; Center for Astrophysical Sciences, The William H. Miller III Department of Physics and Astronomy, Johns Hopkins University , Baltimore, MD 21218, USADepartment of Astronomy & Astrophysics, University of California , San Diego, La Jolla, CA 92093, USAAURA for the European Space Agency (ESA), ESA Office, Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218, USALudwig Maximilian University , University Observatory Munich, Scheinerstrasse 1, Munich D-81679, GermanyCenter for Space and Habitability, University of Bern , Gesellschaftsstrasse. 6, 3012 Bern, SwitzerlandScottish Universities Physics Alliance, Institute for Astronomy, University of Edinburgh , Blackford Hill, Edinburgh, EH9 3HJ, UK; Centre for Exoplanet Science, University of Edinburgh , Edinburgh, EH9 3HJ, UKSpace Telescope Science Institute (STScI) , 3700 San Martin Drive, Baltimore, MD 21218, USAWe present aperture masking interferometry (AMI) observations of the star HIP 65426 at 3.8 μ m, as part of the JWST Direct Imaging Early Release Science program, obtained using the Near Infrared Imager and Slitless Spectrograph instrument. This mode provides access to very small inner working angles (even separations slightly below the Michelson limit of 0.5 λ / D for an interferometer), which are inaccessible with the classical inner working angles of the JWST coronagraphs. When combined with JWST’s unprecedented infrared sensitivity, this mode has the potential to probe a new portion of parameter space across a wide array of astronomical observations. Using this mode, we are able to achieve a 5 σ contrast of Δ m _F380M ∼ 7.62 ± 0.13 mag relative to the host star at separations ≳0 $\mathop{.}\limits^{\unicode{x02033}}$ 07 , and the contrast deteriorates steeply at separations ≲0 $\mathop{.}\limits^{\unicode{x02033}}$ 07. However, we detect no additional companions interior to the known companion HIP 65426b (at separation ∼0 $\mathop{.}\limits^{\unicode{x02033}}$ 82 or $8{7}_{-31}^{+108}\,{\rm{au}}$ ). Our observations thus rule out companions more massive than 10–12 M _Jup at separations ∼10–20 au from HIP 65426, a region out of reach of ground- or space-based coronagraphic imaging. These observations confirm that the AMI mode on JWST is sensitive to planetary mass companions at close-in separations (≳0 $\mathop{.}\limits^{\unicode{x02033}}$ 07), even for thousands of more distant stars at ∼100 pc, in addition to the stars in the nearby young moving groups and associations, as stated in previous works. This result will allow the planning and successful execution of future observations to probe the inner regions of nearby stellar systems, opening an essentially unexplored parameter space.https://doi.org/10.3847/2041-8213/adaeb7High contrast techniquesExoplanet astronomyJames Webb Space TelescopeDirect detection interferometry |
| spellingShingle | Shrishmoy Ray Steph Sallum Sasha Hinkley Anand Sivaramkrishnan Rachel Cooper Jens Kammerer Alexandra Z. Greebaum Deeparshi Thatte Tomas Stolker Cecilia Lazzoni Andrei Tokovinin Matthew de Furio Samuel Factor Michael Meyer Jordan M. Stone Aarynn Carter Beth Biller Andrew Skemer Genaro Suárez Jarron M. Leisenring Marshall D. Perrin Adam L. Kraus Olivier Absil William O. Balmer Anthony Boccaletti Mariangela Bonavita Mickael Bonnefoy Mark Booth Brendan P. Bowler Zackery W. Briesemeister Marta L. Bryan Per Calissendorff Faustine Cantalloube Gael Chauvin Christine H. Chen Elodie Choquet Valentin Christiaens Gabriele Cugno Thayne Currie Camilla Danielski Trent J. Dupuy Jacqueline K. Faherty Michael P. Fitzgerald Jonathan J. Fortney Kyle Franson Julien H. Girard Carol A. Grady Eileen C. Gonzales Thomas Henning Dean C. Hines Kielan K. W. Hoch Callie E. Hood Alex R. Howe Markus Janson Paul Kalas Grant M. Kennedy Matthew A. Kenworthy Pierre Kervella Masayuki Kuzuhara Anne-Marie Lagrange Pierre-Olivier Lagage Kellen Lawson Ben W. P. Lew Michael C. Liu Pengyu Liu Jorge Llop-Sayson James P. Lloyd Bruce Macintosh Sebastian Marino Mark S. Marley Christian Marois Raquel A. Martinez Brenda C. Matthews Elisabeth C. Matthews Dimitri Mawet Johan Mazoyer Michael W. McElwain Stanimir Metchev Michael R. Meyer Brittany E. Miles Maxwell A. Millar-Blanchaer Paul Molliere Sarah E. Moran Caroline V. Morley Sagnick Mukherjee Paulina Palma-Bifani Eric Pantin Polychronis Patapis Simon Petrus Laurent Pueyo Sascha P. Quanz Andreas Quirrenbach Isabel Rebollido Jea Adams Redai Bin B. Ren Emily Rickman Matthias Samland Joshua E. Schlieder Glenn Schneider Karl R. Stapelfeldt Motohide Tamura Xianyu Tan Taichi Uyama Arthur Vigan Malavika Vasist Johanna M. Vos Kevin Wagner Jason J. Wang Kimberly Ward-Duong Niall Whiteford Schuyler G. Wolff Kadin Worthen Mark C. Wyatt Marie Ygouf Xi Zhang Keming Zhang Zhoujian Zhang Yifan Zhou Alice Zurlo B. A. Sargent Christopher A. Theissen Elena Manjavacas Anna Lueber Daniel Kitzmann Ben J. Sutlieff Sarah K. Betti The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm The Astrophysical Journal Letters High contrast techniques Exoplanet astronomy James Webb Space Telescope Direct detection interferometry |
| title | The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm |
| title_full | The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm |
| title_fullStr | The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm |
| title_full_unstemmed | The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm |
| title_short | The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm |
| title_sort | jwst early release science program for direct observations of exoplanetary systems iii aperture masking interferometric observations of the star hip 65426 at 3 8 μm |
| topic | High contrast techniques Exoplanet astronomy James Webb Space Telescope Direct detection interferometry |
| url | https://doi.org/10.3847/2041-8213/adaeb7 |
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