Three Years of High-Contrast Imaging of the PDS 70 b and c Exoplanets at H{\alpha} with MagAO-X: Evidence of Strong Protoplanet H{\alpha} Variability and Circumplanetary Dust

Authors: Close, Laird M., Males, Jared R., Li, Jialin, Haffert, Sebastiaan Y., Long, Joseph D., Hedglen, Alexander D., Weinberger, Alycia J., Follette, Kate, Apai, Daniel, Doyon, Rene, Foster, Warren, Gasho, Victor, Van Gorkom, Kyle, Guyon, Olivier, Kautz, Maggie Y., Kueny, Jay, Lumbres, Jennifer, McLeod, Avalon, McEwen, Eden, Pavao, Clarissa, Pearce, Logan, Perez, Laura, Schatz, Lauren, Szulágyi, J., Wagner, Kevin, Wu, Ya-Lin

Source: AJ 169 35 (2025)

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2502.14038

Evidence for Variable Accretion onto PDS 70 c and Implications for Protoplanet Detections

Authors: Zhou, Yifan, Bowler, Brendan P., Sanghi, Aniket, Marleau, Gabriel-Dominique, Takasao, Shinsuke, Aoyama, Yuhiko, Hasegawa, Yasuhiro, Thanathibodee, Thanawuth, Uyama, Taichi, Hashimoto, Jun, Wagner, Kevin, Calvet, Nuria, Demars, Dorian, Wu, Ya-Lin, Biddle, Lauren I., Haffert, Sebastiaan, Bryan, Marta L.

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2502.14024

Direct imaging of AGN outflows and their origin with the 23 m Large Binocular Telescope

Authors: Isbell, Jacob W., Ertel, Steve, Pott, Jörg-Uwe, Weigelt, Gerd, Stalevski, Marko, Leftley, James, Jaffe, Walter, Petrov, Romain G., Moszczynski, Niklas, Vermot, Pierre, Hinz, Philip, Burtscher, Leonard, Rosas, Violeta Gámez, Becker, Alexander, Carlson, Jared, Faramaz-Gorka, Virginie, Hoffmann, William F., Leisenring, Jarron, Power, Jennifer, Wagner, Kevin

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2502.01840

Orbital Modeling of HII 1348B: An Eccentric Young Substellar Companion in the Pleiades

Authors: Weible, Gabriel, Wagner, Kevin, Stone, Jordan, Ertel, Steve, Apai, Dániel, Kratter, Kaitlin, Leisenring, Jarron

Source: The Astronomical Journal, 169:197 (21pp), 2025 April

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2501.16429

MeerKAT observations of Procyon at 815.5 MHz

Authors: Heywood, Ian, Siemion, Andrew P. V., Czech, Daniel, Ertel, Steve, Drew, Jamie, Grattan, Kyran, Wagner, Kevin, Worden, S. Pete

Source: Res. Notes AAS 8 255, 2024

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2410.15069

A Search for Collisions and Planet-Disk Interactions in the Beta Pictoris Disk with 26 Years of High Precision HST/STIS Imaging

Authors: Avsar, Arin M., Wagner, Kevin, Apai, Dániel, Stark, Christopher C., Wyatt, Mark C.

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2408.12351

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

Authors: Li, Jialin, Close, Laird M., Males, Jared R., Haffert, Sebastiaan Y., Weinberger, Alycia, Follette, Katherine, Wagner, Kevin, Apai, Daniel, Wu, Ya-Lin, Long, Joseph D., Perez, Laura, Pearce, Logan A., Kueny, Jay K., McEwen, Eden A., Van Gorkom, Kyle, Guyon, Olivier, Kautz, Maggie Y., Hedglen, Alexander D., Foster, Warren B., Roberts, Roz, Lumbres, Jennifer, Schatz, Lauren

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2407.13756

Sensitivity and Performance of LBTI/NOMIC Spectroscopy: Prospects for 10- and 30-meter class Mid-IR Exoplanet Science

Authors: Miles, Brittany E., Ertel, Steve, Wagner, Kevin, Apai, Daniel

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2407.03620

Improving mid-infrared thermal background subtraction with Principal Component Analysis

Authors: Rousseau, Hélène, Ertel, Steve, Defrère, Denis, Faramaz, Virginie, Wagner, Kevin

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2405.18043

Bioverse: GMT and ELT Direct Imaging and High-Resolution Spectroscopy Assessment $\unicode{x2013}$ Surveying Exo-Earth O$_{\mathrm{2}}$ and Testing the Habitable Zone Oxygen Hypothesis

Authors: Hardegree-Ullman, Kevin K., Apai, Dániel, Haffert, Sebastiaan Y., Schlecker, Martin, Kasper, Markus, Kammerer, Jens, Wagner, Kevin

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2405.11423

JWST/NIRCam Imaging of Young Stellar Objects III: Detailed Imaging of the Nebular Environment Around the HL Tau Disk

Authors: Mullin, Camryn, Dong, Ruobing, Leisenring, Jarron, Cugno, Gabriele, Greene, Thomas, Johnstone, Doug, Meyer, Michael R., Wagner, Kevin R., Wolff, Schuyler G., Boyer, Martha, Horner, Scott, Hodapp, Klaus, McCarthy, Don, Rieke, George, Rieke, Marcia, Young, Erick

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2403.00908

JWST/NIRCam Imaging of Young Stellar Objects. II. Deep Constraints on Giant Planets and a Planet Candidate Outside of the Spiral Disk Around SAO 206462

Authors: Cugno, Gabriele, Leisenring, Jarron, Wagner, Kevin R., Mullin, Camryn, Dong, Roubing, Greene, Thomas, Johnstone, Doug, Meyer, Michael R., Wolff, Schuyler G., Beichman, Charles, Boyer, Martha, Horner, Scott, Hodapp, Klaus, Kelly, Doug, McCarthy, Don, Roellig, Thomas, Rieke, George, Rieke, Marcia, Stansberry, John, Young, Erick

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2401.02834

JWST/NIRCam Imaging of Young Stellar Objects. I. Constraints on Planets Exterior to The Spiral Disk Around MWC 758

Authors: Wagner, Kevin, Leisenring, Jarron, Cugno, Gabriele, Mullin, Camryn, Dong, Ruobing, Wolff, Schuyler G., Greene, Thomas, Johnstone, Doug, Meyer, Michael R., Beichman, Charles, Boyer, Martha, Horner, Scott, Hodapp, Klaus, Kelly, Doug, McCarthy, Don, Roellig, Tom, Rieke, George, Rieke, Marcia, Sitko, Michael, Stansberry, John, Young, Erick

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2401.02830

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems V: Do Self-Consistent Atmospheric Models Represent JWST Spectra? A Showcase With VHS 1256 b

Authors: Petrus, Simon, Whiteford, Niall, Patapis, Polychronis, Biller, Beth A., Skemer, Andrew, Hinkley, Sasha, Suárez, Genaro, Lueber, Anna, Palma-Bifani, Paulina, Stone, Jordan M., Vos, Johanna M., Morley, Caroline V., Tremblin, Pascal, Charnay, Benjamin, Helling, Christiane, Miles, Brittany E., Carter, Aarynn L., Wang, Jason J., Janson, Markus, Gonzales, Eileen C., Sutlieff, Ben, Hoch, Kielan K. W., Bonnefoy, Mickaël, Chauvin, Gaël, Absil, Olivier, Balmer, William O., Boccaletti, Anthony, Bonavita, Mariangela, Booth, Mark, Bowler, Brendan P., Briesemeister, Zackery W., Bryan, Marta L., Calissendorff, Per, Cantalloube, Faustine, Chen, Christine H., Choquet, Elodie, Christiaens, Valentin, Cugno, Gabriele, Currie, Thayne, Danielski, Camilla, De Furio, Matthew, Dupuy, Trent J., Factor, Samuel M., Faherty, Jacqueline K., Fitzgerald, Michael P., Fortney, Jonathan J., Franson, Kyle, Girard, Julien H., Grady, Carol A., Henning, Thomas, Hines, Dean C., Hood, Callie E., Howe, Alex R., Kalas, Paul, Kammerer, Jens, Kennedy, Grant M., Kenworthy, Matthew A., Kervella, Pierre, Kim, Minjae, Kitzmann, Daniel, Kraus, Adam L., Kuzuhara, Masayuki, Lagage, Pierre-Olivier, Lagrange, Anne-Marie, Lawson, Kellen, Lazzoni, Cecilia, Leisenring, Jarron M., Lew, Ben W. P., Liu, Michael C., Liu, Pengyu, Llop-Sayson, Jorge, Lloyd, James P., Macintosh, Bruce, Mâlin, Mathilde, Manjavacas, Elena, Marino, Sebastián, Marley, Mark S., Marois, Christian, Martinez, Raquel A., Matthews, Elisabeth C., Matthews, Brenda C., Mawet, Dimitri, Mazoyer, Johan, McElwain, Michael W., Metchev, Stanimir, Meyer, Michael R., Millar-Blanchaer, Maxwell A., Mollière, Paul, Moran, Sarah E., Mukherjee, Sagnick, Pantin, Eric, Perrin, Marshall D., Pueyo, Laurent, Quanz, Sascha P., Quirrenbach, Andreas, Ray, Shrishmoy, Rebollido, Isabel, Redai, Jea Adams, Ren, Bin B., Rickman, Emily, Sallum, Steph, Samland, Matthias, Sargent, Benjamin, Schlieder, Joshua E., Stapelfeldt, Karl R., Tamura, Motohide, Tan, Xianyu, Theissen, Christopher A., Uyama, Taichi, Vasist, Malavika, Vigan, Arthur, Wagner, Kevin, Ward-Duong, Kimberly, Wolff, Schuyler G., Worthen, Kadin, Wyatt, Mark C., Ygouf, Marie, Zurlo, Alice, Zhang, Xi, Zhang, Keming, Zhan, Zhoujian, Zhou, Yifan

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2312.03852

Recovering simulated planet and disk signals using SCALES aperture masking

Authors: Lach, Mackenzie, Sallum, Steph, Banyal, Ravinder, Batalha, Natalie, Blake, Geoff, Brandt, Tim, Briesemeister, Zackery, Desai, Aditi, Eisner, Josh, Fong, Wen-fai, Greene, Tom, Honda, Mitsuhiko, Kain, Isabel, Kilpatrick, Charlie, de Kleer, Katherine, Liu, Michael, Macintosh, Bruce, Martinez, Raquel, Mawet, Dimitri, Miles, Brittany, Morley, Caroline, de Pater, Imke, Powell, Diana, Sheehan, Patrick, Skemer, Andrew, Spilker, Justin, Stelter, Deno, Stone, Jordan, Surya, Arun, Thirupathi, Sivarani, Wagner, Kevin, Zhou, Yifan

Source: SPIE Proceedings Volume 12680, Techniques and Instrumentation for Detection of Exoplanets XI; 1268024 (2023)

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2310.12483

Simulating medium-spectral-resolution exoplanet characterization with SCALES angular/reference differential imaging

Authors: Desai, Aditi, Sallum, Stephanie E., Banyal, Ravinder, Batalha, Natalie, Batalha, Natasha, Blake, Geoff, Brandt, Tim, Briesemeister, Zack, de Kleer, Katherine, de Pater, Imke, Eisner, Josh, Fong, Wen-fai, Greene, Tom, Honda, Mitsuhiko, Kain, Isabel, Kilpatrick, Charlie, Lach, Mackenzie, Liu, Mike, Macintosh, Bruce, Martinez, Raquel A., Mawet, Dimitri, Miles, Brittany, Morley, Caroline, Powell, Diana, Sheehan, Patrick, Skemer, Andrew J., Spilker, Justin, Stelter, R. Deno, Stone, Jordan, Surya, Arun, Thirupathi, Sivarani, Wagner, Kevin, Zhou, Yifan

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2310.12193

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 um

Authors: Ray, Shrishmoy, Sallum, Steph, Hinkley, Sasha, Sivamarakrishnan, Anand, Cooper, Rachel, Kammerer, Jens, Greebaum, Alexandra Z., Thatte, Deepashri, Stolker, Tomas, Lazzoni, Cecilia, Tokovinin, Andrei, de Furio, Matthew, Factor, Samuel, Meyer, Michael, Stone, Jordan M., Carter, Aarynn, Biller, Beth, Skemer, Andrew, Suarez, Genaro, Leisenring, Jarron M., Perrin, Marshall D., Kraus, Adam L., Absil, Olivier, Balmer, William O., Bonnefoy, Mickael, Bryan, Marta L., Betti, Sarah K., Boccaletti, Anthony, Bonavita, Mariangela, Booth, Mark, Bowler, Brendan P., Briesemeister, Zackery W., Cantalloube, Faustine, Chauvin, Gael, Christiaens, Valentin, Cugno, Gabriele, Currie, Thayne, Danielski, Camilla, Dupuy, Trent J., Faherty, Jacqueline K., Chen, Christine H., Calissendorff, Per, Choquet, Elodie, Fitzgerald, Michael P., Fortney, Jonathan J., Franson, Kyle, Girard, Julien H., Grady, Carol A., Gonzales, Eileen C., Henning, Thomas, Hines, Dean C., Hoch, Kielan K. W., Hood, Callie E., Howe, Alex R., Janson, Markus, Kalas, Paul, Kennedy, Grant M., Kenworthy, Matthew A., Kervella, Pierre, Kitzmann, Daniel, Kuzuhara, Masayuki, Lagrange, Anne-Marie, Lagage, Pierre-Olivier, Lawson, Kellen, Lew, Ben W. P., Liu, Michael C., Liu, Pengyu, Llop-Sayson, Jorge, Lloyd, James P., Lueber, Anna, Macintosh, Bruce, Manjavacas, Elena, Marino, Sebastian, Marley, Mark S., Marois, Christian, Martinez, Raquel A., Matthews, Brenda C., Matthews, Elisabeth C., Mawet, Dimitri, Mazoyer, Johan, McElwain, Michael W., Metchev, Stanimir, Miles, Brittany E., Millar-Blanchaer, Maxwell A., Molliere, Paul, Moran, Sarah E., Morley, Caroline V., Mukherjee, Sagnick, Palma-Bifani, Paulina, Pantin, Eric, Patapis, Polychronis, Petrus, Simon, Pueyo, Laurent, Quanz, Sascha P., Quirrenbach, Andreas, Rebollido, Isabel, Redai, Jea Adams, Ren, Bin B., Rickman, Emily, Samland, Matthias, Sargent, B. A., Schlieder, Joshua E., Schneider, Glenn, Stapelfeldt, Karl R., Sutlieff, Ben J., Tamura, Motohide, Tan, Xianyu, Theissen, Christopher A., Uyama, Taichi, Vigan, Arthur, Vasist, Malavika, Vos, Johanna M., Wagner, Kevin, Wang, Jason J., Ward-Duong, Kimberly, Whiteford, Niall, Wolff, Schuyler G., Worthen, Kadin, Wyatt, Mark C., Ygouf, Marie, Zhang, Xi, Zhang, Keming, Zhang, Zhoujian, Zhou, Yifan

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2310.11508

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems IV: NIRISS Aperture Masking Interferometry Performance and Lessons Learned

Authors: Sallum, Steph, Ray, Shrishmoy, Kammerer, Jens, Sivaramakrishnan, Anand, Cooper, Rachel, Greebaum, Alexandra Z., Thatte, Deepashri, de Furio, Matthew, Factor, Samuel, Meyer, Michael, Stone, Jordan M., Carter, Aarynn, Biller, Beth, Hinkley, Sasha, Skemer, Andrew, Suarez, Genaro, Leisenring, Jarron M., Perrin, Marshall D., Kraus, Adam L., Absil, Olivier, Balmer, William O., Bonnefoy, Mickael, Bryan, Marta L., Betti, Sarah K., Boccaletti, Anthony, Bonavita, Mariangela, Booth, Mark, Bowler, Brendan P., Briesemeister, Zackery W., Cantalloube, Faustine, Chauvin, Gael, Christiaens, Valentin, Cugno, Gabriele, Currie, Thayne, Danielski, Camilla, Dupuy, Trent J., Faherty, Jacqueline K., Chen, Christine H., Calissendorff, Per, Choquet, Elodie, Fitzgerald, Michael P., Fortney, Jonathan J., Franson, Kyle, Girard, Julien H., Grady, Carol A., Gonzales, Eileen C., Henning, Thomas, Hines, Dean C., Hoch, Kielan K. W., Hood, Callie E., Howe, Alex R., Janson, Markus, Kalas, Paul, Kennedy, Grant M., Kenworthy, Matthew A., Kervella, Pierre, Kitzmann, Daniel, Kuzuhara, Masayuki, Lagrange, Anne-Marie, Lagage, Pierre-Olivier, Lawson, Kellen, Lazzoni, Cecilia, Lew, Ben W. P., Liu, Michael C., Liu, Pengyu, Llop-Sayson, Jorge, Lloyd, James P., Lueber, Anna, Macintosh, Bruce, Manjavacas, Elena, Marino, Sebastian, Marley, Mark S., Marois, Christian, Martinez, Raquel A., Matthews, Brenda C., Matthews, Elisabeth C., Mawet, Dimitri, Mazoyer, Johan, McElwain, Michael W., Metchev, Stanimir, Miles, Brittany E., Millar-Blanchaer, Maxwell A., Molliere, Paul, Moran, Sarah E., Morley, Caroline V., Mukherjee, Sagnick, Palma-Bifani, Paulina, Pantin, Eric, Patapis, Polychronis, Petrus, Simon, Pueyo, Laurent, Quanz, Sascha P., Quirrenbach, Andreas, Rebollido, Isabel, Redai, Jea Adams, Ren, Bin B., Rickman, Emily, Samland, Matthias, Sargent, B. A., Schlieder, Joshua E., Schneider, Glenn, Stapelfeldt, Karl R., Sutlieff, Ben J., Tamura, Motohide, Tan, Xianyu, Theissen, Christopher A., Uyama, Taichi, Vigan, Arthur, Vasist, Malavika, Vos, Johanna M., Wagner, Kevin, Wang, Jason J., Ward-Duong, Kimberly, Whiteford, Niall, Wolff, Schuyler G., Worthen, Kadin, Wyatt, Mark C., Ygouf, Marie, Zhang, Xi, Zhang, Keming, Zhang, Zhoujian, Zhou, Yifan, Zurlo, Alice

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2310.11499

The Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES): driving science cases and expected outcomes

Authors: Sallum, Steph, Skemer, Andrew, Stelter, Deno, Banyal, Ravinder, Batalha, Natalie, Batalha, Natasha, Blake, Geoff, Brandt, Tim, Briesemeister, Zack, de Kleer, Katherine, de Pater, Imke, Desai, Aditi, Eisner, Josh, Fong, Wen-fai, Greene, Tom, Honda, Mitsuhiko, Jensen-Clem, Rebecca, Kain, Isabel, Kilpatrick, Charlie, Kupke, Renate, Lach, Mackenzie, Liu, Michael C., Macintosh, Bruce, Martinez, Raquel A., Mawet, Dimitri, Miles, Brittany, Morley, Caroline, Powell, Diana, Sethuram, Ramya, Sheehan, Patrick, Spilker, Justin, Stone, Jordan, Surya, Arun, Thirupathi, Sivarani, Unni, Athira, Wagner, Kevin, Zhou, Yifan

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2310.07134

Direct images and spectroscopy of a giant protoplanet driving spiral arms in MWC 758

Authors: Wagner, Kevin, Stone, Jordan, Skemer, Andrew, Ertel, Steve, Dong, Ruobing, Apai, Dániel, Spalding, Eckhart, Leisenring, Jarron, Sitko, Michael, Kratter, Kaitlin, Barman, Travis, Marley, Mark, Miles, Brittany, Boccaletti, Anthony, Assani, Korash, Bayyari, Ammar, Uyama, Taichi, Woodward, Charles E., Hinz, Phil, Briesemeister, Zackery, Lawson, Kellen, Ménard, François, Pantin, Eric, Russell, Ray W., Skrutskie, Michael, Wisniewski, John

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2307.04021