Laird M Close

Calculated based on number of publications stored in Pure and citations from Scopus
1990 …2024

Research activity per year

Search results

  • 2024

    Adaptive Optics Development at the Giant Magellan Telescope: Recent Progress

    Demers, R., Quiros-Pacheco, F., Schurter, P., Xin, B., Haddad, J. P., Molgo, J., Schoenell, W., Conan, R., Romano, R., Bouchez, A., van Dam, M. A., Catropa, D., Kansky, J., McLeod, B., McMuldroch, S., Podgorski, W., Witinski, M., Close, L., Gasho, V. & Haffert, S. & 18 others, Hedglen, A., Kautz, M., Males, J., Plantet, C., Puglisi, A., Rossi, F., Cheffot, A. L., Azzaroli, N., Carbonaro, L., Lapucci, T., Pinna, E., Esposito, S., d’Orgeville, C., Rey, N. M., Travouillon, T., Nemati, B., Gonzalez, G. & Nissen, J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309723. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    4 Scopus citations
  • Challenge of direct imaging of exoplanets within structures: disentangling real signal from point source from background light

    Li, J., Close, L. M., Males, J. R., Haffert, S. Y., Weinberger, A., Follette, K., Wagner, K., Apai, D., Wu, Y. L., Long, J. D., Perez, L., Pearce, L. A., Kueny, J. K., McEwen, E. A., Van Gorkom, K., Guyon, O., Kautz, M. Y., Hedglen, A. D., Foster, W. B. & Roberts, R. & 2 others, Lumbres, J. & Schatz, L., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309714. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • Emerging adaptive optics facility at Large Binocular Telescope Observatory

    Ragland, S., Brusa, G., Cavallaro, A., Choi, H., Guerra, J. C., Herbst, T., Lefebvre, M., Miller, D., Pedichini, F., Power, J., Shields, J., Smithwright, M., Taylor, G., Veillet, C., Zhang, X., Biasi, R., Conrad, A., Close, L., Esposito, S. & Gallieni, D. & 18 others, Masciadri, E., Mechtley, B., Peretz, E., Pinna, E., Ragazzoni, R., Rossi, F., Agapito, G., Bec, M., Bergomi, M., Bertram, T., Briegel, F., Farinato, J., Hill, J., Kim, D., Marafatto, L., Piazzesi, R., Radhakrishnan, K. & Riccardi, A., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 130970L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    4 Scopus citations
  • G@M: Coupling the G-CLEF Spectrograph to the Magellan Telescope

    Rimalt, Y. S., Ben-Ami, S., Szentgyorgyi, A., Hershko, O., Bichkovsky, A., Serge, E., Mueller, M., Onyuksel, C., Jurgenson, C., Podgorski, W., Close, L. & Males, J., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130964N. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Scopus citations
  • High-contrast Imaging at First Light of the GMT: Optimized coatings enabling high-throughput observations for GMagAO-X

    Ashcraft, J. N., Haffert, S. Y., Close, L., Durney, O., Males, J. & Kautz, M., 2024, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI. Navarro, R. & Jedamzik, R. (eds.). SPIE, 1310065. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13100).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • High-contrast imaging at first-light of the GMT: The PDR optical and mechanical design for the GMagAO-X ExAO system and results from the HCAT testbed with an HDFS phased parallel DM prototype

    Close, L. M., Durney, O., Males, J. R., Kautz, M. Y., Haffert, S. Y., Fletcher, A., Hedglen, A. D., Gasho, V., McLeod, A., Sullivan, M., Guyon, O., Noenickx, J., Kelly, D. & Ford, J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309726. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Scopus citations
  • High-contrast imaging at first-light of the GMT: the wavefront sensing and control architecture of GMagAO-X

    Haffert, S. Y., Males, J. R., Close, L. M., Kautz, M. Y., Durney, O. & Guyon, O., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309758. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • High-Contrast Imaging at First-Light of the GMT: The Preliminary Design of GMagAO-X

    Males, J. R., Close, L. M., Haffert, S. Y., Kautz, M. Y., Kelly, D., Fletcher, A., Salanski, T., Durney, O., Noenickx, J., Ford, J., Gasho, V., Pearce, L., Kueny, J., Guyon, O., Weinberger, A., Bowler, B., Kraus, A. & Batalha, N., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130960Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Improving Coronagraphic Performance with Active Atmospheric Dispersion Control on MagAO-X

    Twitchell, K., Haffert, S. Y., Males, J. R., Close, L. M., Guyon, O., Van Gorkom, K., Hedglen, A., Kautz, M., Kueny, J., McEwen, E. A., Li, J., Long, J. D., Lumbres, J. & Schatz, L., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309741. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • Innovations in the design and construction of the GMT-Consortium Large Earth Finder (G-CLEF), a first-light instrument for the Giant Magellan Telescope (GMT)

    Szentgyorgyi, A., Ben-Ami, S., Oh, J. S., Park, C., Baldwin, D., Bean, J., Bichkovsky, A., Brennan, P., Catropa, D., Chou, C. Y., Chun, M. Y., Close, L., Crane, J. D., Doherty, P., Durusky, D., Eastman, J., Epps, H., Evans, I. N., Hartmann, V. & Hershko, O. & 32 others, Jang, B. H., Jang, J. G., Jeong, U., Jordan, A., Jurgenson, C., Kansky, J., Kim, J., Kim, K. M., Kim, S., Kim, Y., Lee, S., Leung, M., Ling, H. H., Lupinari, H., Males, J. R., McCracken, K., Mendes de Oliveira, C., Millan-Gabet, R., Mueller, M., Oh, H., Onyuksel, C., Park, B. G., Park, S. J., Park, W., Podgorski, W., Seifahrt, A., Smith, M., Sofer-Rimalt, Y., Wang, S. Y., Unger, A., Uomoto, A. & Yu, Y. S., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130960Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    7 Scopus citations
  • Integration and test of the Natural Guide star Wavefront Sensor Prototype for the Giant Magellan Telescope: the pyramid sensor

    Plantet, C., Cheffot, A. L., Esposito, S., Azzaroli, N., Rossi, F., Puglisi, A., Lapucci, T., Carbonaro, L., Pinna, E., Quirós-Pacheco, F., Bouchez, A., Schurter, P., Xin, B., Haddad, J. P., Molgo, J., Schoenell, W., Demers, R., Close, L., Haffert, S. & Kautz, M. & 2 others, Males, J. & Gasho, V., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309757. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    5 Scopus citations
  • Low-amplitude Solar-like Oscillations in the K5 V Star ϵ Indi A

    Lundkvist, M. S., Kjeldsen, H., Bedding, T. R., McCaughrean, M. J., Butler, R. P., Slumstrup, D., Campante, T. L., Aerts, C., Arentoft, T., Bruntt, H., Cardoso, C. V., Carrier, F., Close, L. M., da Silva, J. G., Kallinger, T., King, R. R., Li, Y., Murphy, S. J., Rørsted, J. L. & Stello, D., Apr 1 2024, In: Astrophysical Journal. 964, 2, 110.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    3 Scopus citations
  • MagAO-X: Commissioning Results and Status of Ongoing Upgrades

    Males, J. R., Close, L. M., Haffert, S. Y., Kautz, M. Y., Kueny, J., Long, J. D., McEwen, E., Swimmer, N., Bailey, J. I., Foster, W., Mazin, B. A., Pearce, L., Liberman, J., Twitchell, K., Weinberger, A. J., Guyon, O., Hedglen, A. D., McLeod, A., Roberts, R. & Van Gorkom, K. & 3 others, Li, J., Doty, I. & Gasho, V., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309709. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    4 Scopus citations
  • MagAO-X Phase II Upgrades: Implementation and First On-Sky Results of a New Post-AO 1000 Actuator Deformable Mirror

    Kueny, J. K., Van Gorkom, K., Kautz, M., Haffert, S., Males, J. R., Hedglen, A., Close, L., McEwen, E., Li, J., Long, J. D., Foster, W., Pearce, L., McLeod, A., Lumbres, J., Schatz, L., Guyon, O. & Liberman, J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309761. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • Making the unmodulated Pyramid wavefront sensor smart: Closed-loop demonstration of neural network wavefront reconstruction with MagAO-X

    Landman, R., Haffert, S. Y., Males, J. R., Close, L. M., Foster, W. B., Van Gorkom, K., Guyon, O., Hedglen, A., Kautz, M., Kueny, J. K., Long, J. D., Lumbres, J., McEwen, E. A., McLeod, A. & Schatz, L., Apr 1 2024, In: Astronomy and astrophysics. 684, A114.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    3 Scopus citations
  • More data than you want, fewer data than you need: machine learning approaches to starlight subtraction with MagAO-X

    Long, J. D., Males, J. R., Close, L. M., Guyon, O., Haffert, S. Y., Weinberger, A. J., Kueny, J., Van Gorkom, K., McEwen, E., Pearce, L., Kautz, M., Li, J., Lumbres, J., Hedglen, A., Schatz, L., McLeod, A., Doty, I., Foster, W. B., Roberts, R. & Twitchell, K., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 130972X. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • On-sky, real-time optical gain calibration on MagAO-X using incoherent speckles

    McEwen, E. A., Males, J. R., Guyon, O., Haffert, S. Y., Long, J. D., Close, L. M., Van Gorkom, K., Lumbres, J., Hedglen, A. D., Schatz, L., Kautz, M. Y., Pearce, L. A., Kueny, J., McLeod, A. L., Foster, W. B., Li, J., Roberts, R. & Weinburger, A. J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 130970U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • Phasing the Giant Magellan Telescope: Lab experiments and first on-sky demonstration

    Kautz, M. Y., Haffert, S. Y., Close, L. M., Males, J. R., Guyon, O., Hedglen, A. D., Gasho, V., Demers, R., Bouchez, A., Quirós-Pacheco, F., Plantet, C., McLeod, A. L., Kueny, J. K., Li, J., Liberman, J., Long, J. D., Lumbres, J., McEwen, E. A., Pearce, L. A. & Schatz, L. & 4 others, Schurter, P., Sitarski, B., Twitchell, K. & Van Gorkom, K., Oct 1 2024, In: Journal of Astronomical Telescopes, Instruments, and Systems. 10, 4

    Research output: Contribution to journalArticlepeer-review

    1 Scopus citations
  • Probing Disk Ice Content and Polycyclic Aromatic Hydrocarbon Emission through Multiband MagAO+Clio Images of HD 141569

    Kueny, J. K., Weinberger, A. J., Males, J. R., Morzinski, K. M., Close, L. M., Follette, K. B. & Hinz, P. M., Jan 1 2024, In: Astrophysical Journal. 961, 1, 77.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    2 Scopus citations
  • SHARK-NIR commissioning and early science runs

    Barbato, D., Farinato, J., Baruffolo, A., Bergomi, M., Bianco, A., Biondi, F., Briegel, F., Carolo, E., Cerpelloni, P., Carlotti, A., Chinellato, S., Conrad, A., De Pascale, M., Di Filippo, S., Dima, M., D'Orazi, V., Ertel, S., Machado, T. S. G., Greggio, D. & Guerra, J. C. & 41 others, Henning, T., Hom, J., Hill, J. M., Laudisio, F., Lessio, L., Lorenzetto, A., Magrin, D., Marafatto, L., Mesa, D., Miller, D., Mohr, L., Montoya, M., Power, J., Radhakrishnan, K., Ricci, D., Umbriaco, G., Vassallo, D., Viotto, V., Taylor, G., Zanutta, A., Anche, R. M., Antoniucci, S., Arcidiacono, C., Bacciotti, F., Baudoz, P., Bongiorno, A., Close, L., Esposito, S., Grenz, P., Guyon, O., Leisenring, J. M., Pedichini, F., Piazzesi, R., Pinna, E., Portaluri, E., Puglisi, A., Ragazzoni, R., Rodeghiero, G., Rossi, F., Shields, J. V. & Pallauta, M. V., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130961W. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
  • Software Development and Integration of an Adaptive-Optics Testbed using the Giant Magellan Telescope Software Frameworks

    Molgó, J., Schoenell, W., Filgueira, J. M., Quirós-Pacheco, F., Puglisi, A., Rossi, F., Lapucci, T., Bouchez, A., Xin, B., Schurter, P., Demers, R., Close, L., Haffert, S., Kautz, M., Males, J., Cox, M., Soto, J., Peng, C., Swett, H. & Contaxis, C. & 3 others, Barrios, J., El-Halabi, G. & Silva, P. H., 2024, Software and Cyberinfrastructure for Astronomy VIII. Ibsen, J. & Chiozzi, G. (eds.). SPIE, 131011Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13101).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Scopus citations
  • The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed: NGAO wavefront sensing and control laboratory results

    Quirós-Pacheco, F., Bouchez, A., Plantet, C., Xin, B., Molgo, J., Schoenell, W., Puglisi, A., Rossi, F., Schurter, P., Haddad, J. P., Demers, R., Esposito, S., Cheffot, A. L., Azzaroli, N., Carbonaro, L., Lapucci, T., Pinna, E., Close, L., Haffert, S. & Kautz, M. & 5 others, Males, J., McLeod, A., Hedglen, A., Gasho, V. & van Dam, M., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309725. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    6 Scopus citations
  • 2023

    Applying a temporal systematics model to vector Apodizing Phase Plate coronagraphic data: TRAP4vAPP

    Liu, P., Bohn, A. J., Doelman, D. S., Sutlieff, B. J., Samland, M., Kenworthy, M. A., Snik, F., Birkby, J. L., Biller, B. A., Males, J. R., Morzinski, K. M., Close, L. M. & Otten, G. P. P. L., Jun 1 2023, In: Astronomy and astrophysics. 674, A115.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    2 Scopus citations
  • Approaches to lowering the cost of large space telescopes

    Douglas, E. S., Aldering, G., Allan, G. W., Anche, R., Angel, R., Ard, C. C., Chakrabarti, S., Close, L. M., Derby, K., Edelstein, J., Ford, J., Gersh-Range, J., Haffert, S. Y., Ingraham, P. J., Kang, H., Kelly, D. M., Kim, D., Lesser, M., Leisenring, J. M. & Lin, Y. C. & 9 others, Males, J. R., Martin, B., Payan, B. A., Sai Krishanth, P. M., Rubin, D., Selznick, S., Van Gorkom, K., Jannuzi, B. T. & Perlmutter, S., 2023, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems IV. Hull, T. B., Kim, D. & Hallibert, P. (eds.). SPIE, 126770D. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12677).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
    3 Scopus citations
  • Erratum: “Improved Orbital Constraints and Hα Photometric Monitoring of the Directly Imaged Protoplanet Analog HD142527B” (2022, AJ, 164, 1)

    Balmer, W. O., Follette, K. B., Close, L. M., Males, J. R., De Rosa, R. J., Adams Redai, J. I., Watson, A., Weinberger, A. J., Morzinski, K. M., Morales, J., Ward-Duong, K. & Pueyo, L., Sep 1 2023, In: Astronomical Journal. 166, 3, 135.

    Research output: Contribution to journalArticlepeer-review

    Open Access
  • Giant Magellan Telescope Adaptive Optics Overview

    Bouchez, A. H., Close, L. M., Conan, R., Demers, R., Esposito, S., Groark, F., Males, J., McLeod, B. A., Quirós-Pacheco, F., Sharp, R., Sitarski, B. N., Thompson, P. & van Dam, M. A., 2023.

    Research output: Contribution to conferencePaperpeer-review

    1 Scopus citations
  • GMagAO-X: A First Light Coronagraphic Adaptive Optics System for the GMT

    Kautz, M., Males, J., Close, L., Haffert, S., Guyon, O., Hedglen, A., Gasho, V., Durney, O., Noenickx, J., Fletcher, A., Coronado, F., Ford, J., Connors, T., Sullivan, M., Salanski, T., Kelly, D., Demers, R., Bouchez, A., Sitarski, B. & Schurter, P., 2023.

    Research output: Contribution to conferencePaperpeer-review

    4 Scopus citations
  • HIP 67506 C: MagAO-X confirmation of a new low-mass stellar companion to HIP 67506 A

    Pearce, L. A., Males, J. R., Haffert, S. Y., Close, L. M., Long, J. D., McLeod, A. L., Knight, J. M., Hedglen, A. D., Weinberger, A. J., Guyon, O., Kautz, M., Van Gorkom, K., Lumbres, J., Schatz, L., Rodack, A., Gasho, V., Kueny, J., Foster, W., Morzinski, K. M. & Hinz, P. M., May 1 2023, In: Monthly Notices of the Royal Astronomical Society. 521, 3, p. 4775-4784 10 p.

    Research output: Contribution to journalArticlepeer-review

    Open Access
  • Implicit electric field conjugation: Data-driven focal plane control

    Haffert, S. Y., Males, J. R., Ahn, K., Van Gorkom, K., Guyon, O., Close, L. M., Long, J. D., Hedglen, A. D., Schatz, L., Kautz, M., Lumbres, J., Rodack, A., Knight, J. M. & Miller, K., May 1 2023, In: Astronomy and astrophysics. 673, A28.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    19 Scopus citations
  • Improved Companion Mass Limits for Sirius A with Thermal Infrared Coronagraphy Using a Vector-apodizing Phase Plate and Time-domain Starlight-subtraction Techniques

    Long, J. D., Males, J. R., Haffert, S. Y., Pearce, L., Marley, M. S., Morzinski, K. M., Close, L. M., Otten, G. P. P. L., Snik, F., Kenworthy, M. A., Keller, C. U., Hinz, P., Monnier, J. D., Weinberger, A. & Tolls, V., May 1 2023, In: Astronomical Journal. 165, 5, 216.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    2 Scopus citations
  • MagAO-X and HST High-contrast Imaging of the AS209 Disk at Hα

    Cugno, G., Zhou, Y., Thanathibodee, T., Calissendorff, P., Meyer, M. R., Edwards, S., Bae, J., Benisty, M., Bergin, E., De Furio, M., Facchini, S., Males, J. R., Close, L. M., Teague, R. D., Guyon, O., Haffert, S. Y., Hedglen, A. D., Kautz, M., Izquierdo, A. & Long, J. D. & 5 others, Lumbres, J., McLeod, A. L., Pearce, L. A., Schatz, L. & Van Gorkom, K., Oct 1 2023, In: Astronomical Journal. 166, 4, 162.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    2 Scopus citations
  • Monitoring Hα Emission from the Wide-orbit Brown-dwarf Companion FU Tau B

    Wu, Y. L., Cheng, Y. C., Huang, L. C., Bowler, B. P., Close, L. M., Tseng, W. L., Chen, N. & Chen, D. W., Oct 1 2023, In: Astronomical Journal. 166, 4, 143.

    Research output: Contribution to journalArticlepeer-review

    Open Access
  • SHARK-NIR, first results of the commissioning at LBT

    Farinato, J., Di Filippo, S., Baruffolo, A., Bergomi, M., Bianco, A., Biondi, F., Briegel, F., Carolo, E., Carlotti, A., Chinellato, S., Conrad, A., De Pascale, M., Dima, M., D’Orazi, V., Ertel, S., Greggio, D., Guerra, J. C., Henning, T., Hill, J. M. & Laudisio, F. & 34 others, Lessio, L., Lorenzetto, A., Magrin, D., Marafatto, L., Mesa, D., Miller, D., Mohr, L., Montoya, M., Power, J., Radhakrishnan, K., Ricci, D., Umbriaco, G., Vassallo, D., Viotto, V., Taylor, G., Zanutta, A., Antoniucci, S., Arcidiacono, C., Bacciotti, F., Baudoz, P., Bongiorno, A., Close, L., Esposito, S., Grenz, P., Guyon, O., Leisenring, J. M., Pedichini, F., Piazzesi, R., Pinna, E., Portaluri, E., Puglisi, A., Ragazzoni, R., Rossi, F. & Shields, J. V., 2023.

    Research output: Contribution to conferencePaperpeer-review

    1 Scopus citations
  • The Giant Accreting Protoplanet Survey (GAPlanetS): Optimization Techniques for Robust Detections of Protoplanets

    Adams Redai, J. I., Follette, K. B., Wang, J., Leonard, C., Balmer, W., Close, L. M., Dacus, B., Males, J. R., Morzinski, K. M., Palmo, J., Pueyo, L., Spiro, E., Treiber, H., Ward-Duong, K. & Watson, A., Feb 1 2023, In: Astronomical Journal. 165, 2, 57.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    4 Scopus citations
  • The Giant Accreting Protoplanet Survey (GAPlanetS)—Results from a 6 yr Campaign to Image Accreting Protoplanets

    Follette, K. B., Close, L. M., Males, J. R., Ward-Duong, K., Balmer, W. O., Redai, J. A., Morales, J., Sarosi, C., Dacus, B., De Rosa, R. J., Garcia Toro, F., Leonard, C., Macintosh, B., Morzinski, K. M., Mullen, W., Palmo, J., Saitoti, R. N., Spiro, E., Treiber, H. & Wagner, K. & 4 others, Wang, J., Wang, D., Watson, A. & Weinberger, A. J., Jun 1 2023, In: Astronomical Journal. 165, 6, 225.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    16 Scopus citations
  • UV-optical Emission of AB Aur b Is Consistent with Scattered Stellar Light

    Zhou, Y., Bowler, B. P., Yang, H., Sanghi, A., Herczeg, G. J., Kraus, A. L., Bae, J., Long, F., Follette, K. B., Ward-Duong, K., Zhu, Z., Biddle, L., Close, L. M., Jiang, L. Y. & Wu, Y. L., Dec 1 2023, In: Astronomical Journal. 166, 6, 220.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    9 Scopus citations
  • 2022

    Advanced wavefront sensing and control demonstration with MagAO-X

    Haffert, S. Y., Males, J. R., Van Gorkom, K., Close, L. M., Long, J. D., Hedglen, A. D., Ahn, K., Guyon, O., Schatz, L., Kautz, M., Lumbres, J., Rodack, A., Knight, J. M., Sun, H., Fogarty, K. & Miller, K., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218581. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
    10 Scopus citations
  • ALMA Discovery of a Disk around the Planetary-mass Companion SR 12 c

    Wu, Y. L., Bowler, B. P., Sheehan, P. D., Close, L. M., Eisner, J. A., Best, W. M. J., Ward-Duong, K., Zhu, Z. & Kraus, A. L., May 1 2022, In: Astrophysical Journal Letters. 930, 1, L3.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    11 Scopus citations
  • A Novel Hexpyramid Pupil Slicer for an ExAO Parallel DM for the Giant Magellan Telescope

    Kautz, M., Close, L. M., Hedglen, A., Haffert, S., Males, J. R. & Coronado, F., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 121854G. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
    9 Scopus citations
  • Companion mass limits for 17 binary systems obtained with binary differential imaging and MagAO/Clio

    Pearce, L. A., Males, J. R., Weinberger, A. J., Long, J. D., Morzinski, K. M., Close, L. M. & Hinz, P. M., Sep 1 2022, In: Monthly Notices of the Royal Astronomical Society. 515, 3, p. 4487-4504 18 p.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    2 Scopus citations
  • Detection of Near-infrared Water Ice at the Surface of the (Pre)Transitional Disk of AB Aur: Informing Icy Grain Abundance, Composition, and Size

    Betti, S. K., Follette, K., Jorquera, S., Duchêne, G., Mazoyer, J., Bonnefoy, M., Chauvin, G., Pérez, L. M., Boccaletti, A., Pinte, C., Weinberger, A. J., Grady, C., Close, L. M., Defrère, D., Downey, E. C., Hinz, P. M., Ménard, F., Schneider, G., Skemer, A. J. & Vaz, A., Apr 1 2022, In: Astronomical Journal. 163, 4, 145.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    11 Scopus citations
  • First lab results of segment/petal phasing with a pyramid wavefront sensor and a novel holographic dispersed fringe sensor (HDFS) from the Giant Magellan Telescope high contrast adaptive optics phasing testbed

    Hedglen, A. D., Close, L. M., Haffert, S. Y., Males, J. R., Kautz, M., Bouchez, A. H., Demers, R., Quirós-Pacheco, F., Sitarski, B. N., Guyon, O., Van Gorkom, K., Long, J. D., Lumbres, J., Schatz, L., Miller, K., Rodack, A. & Knight, J. M., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218516. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    12 Scopus citations
  • Improved Orbital Constraints and H α Photometric Monitoring of the Directly Imaged Protoplanet Analog HD 142527 B

    Balmer, W. O., Follette, K. B., Close, L. M., Males, J. R., De Rosa, R. J., Adams Redai, J. I., Watson, A., Weinberger, A. J., Morzinski, K. M., Morales, J., Ward-Duong, K. & Pueyo, L., Jul 1 2022, In: Astronomical Journal. 164, 1, 29.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    12 Scopus citations
  • Lab tests of segment/petal phasing with a pyramid wavefront sensor and a holographic dispersed fringe sensor in turbulence with the Giant Magellan Telescope high contrast adaptive optics phasing testbed

    Hedglen, A. D., Close, L. M., Haffert, S. Y., Males, J. R., Kautz, M., Bouchez, A. H., Demers, R., Quirós-Pacheco, F., Sitarski, B. N., Guyon, O., Van Gorkom, K., Long, J. D., Lumbres, J., Schatz, L., Miller, K., Rodack, A. & Knight, J. M., Apr 1 2022, In: Journal of Astronomical Telescopes, Instruments, and Systems. 8, 2, 021515.

    Research output: Contribution to journalArticlepeer-review

    21 Scopus citations
  • MagAO-X: current status and plans for Phase II

    Males, J. R., Close, L. M., Haffert, S., Long, J. D., Hedglen, A. D., Pearce, L., Weinberger, A. J., Guyon, O., Knight, J. M., McLeod, A., Kautz, M., Van Gorkom, K., Lumbres, J., Schatz, L., Rodack, A., Gasho, V., Kueny, J. & Foster, W., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218509. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
    18 Scopus citations
  • Phasing the Giant Magellan Telescope with the holographic dispersed fringe sensor

    Haffert, S. Y., Close, L. M., Hedglen, A. D., Males, J. R., Kautz, M., Bouchez, A. H., Demers, R., Quirós-Pacheco, F., Sitarski, B. N., Van Gorkom, K., Long, J. D., Guyon, O., Schatz, L., Miller, K., Lumbres, J., Rodack, A. & Knight, J. M., Apr 1 2022, In: Journal of Astronomical Telescopes, Instruments, and Systems. 8, 2, 021513.

    Research output: Contribution to journalArticlepeer-review

    33 Scopus citations
  • Phasing the Segmented Giant Magellan Telescope: Progress in Testbeds and Prototypes

    Demers, R., Bouchez, A., Quiros-Pacheco, F., Schurter, P., Sitarski, B., van Dam, M. A., Catropa, D., Kansky, J., McLeod, B., McMuldroch, S., Podgorski, B., Close, L., Gasho, V., Haffert, S., Hedglen, A., Kautz, M., Males, J., Agapito, G., Azzaroli, N. & Carbonaro, L. & 9 others, Cheffot, A. L., Esposito, S., Lapucci, T., Pinna, E., Plantet, C., Puglisi, A., Rossi, F., Gonzalez, G. & Nemati, B., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218518. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    10 Scopus citations
  • Science Instrumentation Progress at the Giant Magellan Telescope

    Millan-Gabet, R., Bernstein, R. A., Souza, A., Walls, B., Bouchez, A., Sitarski, B., Szentgyorgyi, A., McMuldroch, S., Fabricant, D., Ribero, R. A. S., Sharp, R., Mace, G., Brooks, C. B., Jaffe, D. T., Lawrence, J., Saavedra, C., Crane, J., Uomoto, A., Close, L. & Males, J., 2022, Ground-based and Airborne Instrumentation for Astronomy IX. Evans, C. J., Bryant, J. J. & Motohara, K. (eds.). SPIE, 121841Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12184).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    8 Scopus citations
  • SHARK-NIR, ready to “swim” in the LBT northern hemisphere “ocean”

    Farinato, J., Baruffolo, A., Bergomi, M., Bianco, A., Biondi, F., Briegel, F., Carolo, E., Carlotti, A., Chavan, S., Chinellato, S., De Pascale, M., Dima, M., D'Orazi, V., Ertel, S., Greggio, D., Henning, T., Laudisio, F., Lessio, L., Magrin, D. & Marafatto, L. & 28 others, Mesa, D., Mohr, L., Montoya, M., Radhakrishnan, K., Ricci, D., Umbriaco, G., Vassallo, D., Viotto, V., Zanutta, A., Antoniucci, S., Arcidiacono, C., Bacciotti, F., Baudoz, P., Bongiorno, A., Close, L., Di Filippo, S., Don, K., Esposito, S., Grenz, P., Guyon, O., Leisenring, J. M., Pedichini, F., Piazzesi, R., Pinna, E., Portaluri, E., Puglisi, A., Ragazzoni, R. & Rossi, F., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218522. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    8 Scopus citations
  • The conceptual design of GMagAO-X: visible wavelength high contrast imaging with GMT

    Males, J. R., Close, L. M., Haffert, S. Y., Guyon, O., Gasho, V., Coronado, F., Durney, O., Hedglen, A., Kautz, M., Noenickx, J., Ford, J., Connors, T. & Kelly, D., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 121854J. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
    16 Scopus citations