A new atmospheric characterization of the sub-stellar companion HR\,2562\,B with JWST/MIRI observations

Autor: Godoy, Nicolás, Choquet, Elodie, Serabyn, Eugene, Danielski, Camilla, Stolker, Tomas, Charnay, Benjamin, Hinkley, Sasha, Lagage, Pierre-Olivier, Ressler, Michale E., Tremblin, Pascal, Vigan, Arthur

Context: HR2562B is a planetary-mass companion located 0.56arcsec (19au) from its host star. It is one of a few L/T transitional objects orbiting a young star. This companion provides insight into the evolution of young objects in the L/T transition.

Externí odkaz: http://arxiv.org/abs/2409.04524

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

Autor: 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

The unprecedented medium-resolution (R~1500-3500) near- and mid-infrared (1-18um) spectrum provided by JWST for the young (140+/-20Myr) low-mass (12-20MJup) L-T transition (L7) companion VHS1256b gives access to a catalogue of molecular absorptions.

Externí odkaz: http://arxiv.org/abs/2312.03852

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems III: Aperture Masking Interferometric Observations of the star HIP 65426

Autor: Ray, Shrishmoy, Sallum, Steph, Hinkley, Sasha, Sivamarakrishnan, Anand, Cooper, Rachel, Kammerer, Jens, Greebaum, Alexandra Z., Thatte, Deepashri, 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

We present aperture masking interferometry (AMI) observations of the star HIP 65426 at $3.8\,\rm{\mu m}$ as a part of the JWST Direct Imaging Early Release Science (ERS) program obtained using the Near Infrared Imager and Slitless Spectrograph (NIRIS

Externí odkaz: http://arxiv.org/abs/2310.11508

The first scattered light images of HD 112810, a faint debris disk in the Sco-Cen association

Autor: Matthews, Elisabeth C., Bonnefoy, Mickaël, Xie, Chen, Desgrange, Célia, Desidera, Silvano, Delorme, Philippe, Milli, Julien, Olofsson, Johan, Barbato, Domenico, Ceva, William, Augereau, Jean-Charles, Biller, Beth A., Chen, Christine H., Faramaz-Gorka, Virginie, Galicher, Raphaël, Hinkley, Sasha, Lagrange, Anne-Marie, Ménard, François, Pinte, Christophe, Stapelfeldt, Karl R.

Publikováno v: A&A 679, A58 (2023)

Context: Circumstellar debris disks provide insight into the formation and early evolution of planetary systems. Resolved belts in particular help to locate planetesimals in exosystems, and can hint at the presence of disk-sculpting exoplanets. Aims:

Externí odkaz: http://arxiv.org/abs/2309.15158

IMAGING AN 80 au RADIUS DUST RING AROUND THE F5V STAR HD 157587

Autor: Millar-Blanchaer, Maxwell A., Wang, Jason J., Kalas, Paul, Graham, James R., Duchêne, Gaspard, Nielsen, Eric L., Perrin, Marshall, Moon, Dae-Sik, Padgett, Deborah, Metchev, Stanimir, Ammons, S. Mark, Bailey, Vanessa P., Barman, Travis, Bruzzone, Sebastian, Bulger, Joanna, Chen, Christine H., Chilcote, Jeffrey, Cotten, Tara, Rosa, Robert J. De, Doyon, Rene, Draper, Zachary H., Esposito, Thomas M., Fitzgerald, Michael P., Follette, Katherine B., Gerard, Benjamin L., Greenbaum, Alexandra Z., Hibon, Pascale, Hinkley, Sasha, Hung, Li-Wei, Ingraham, Patrick, Johnson-Groh, Mara, Konopacky, Quinn, Larkin, James E., Macintosh, Bruce, Maire, Jérôme, Marchis, Franck, Marley, Mark S., Marois, Christian, Matthews, Brenda C., Oppenheimer, Rebecca, Palmer, David, Patience, Jennifer, Poyneer, Lisa, Pueyo, Laurent, Rajan, Abhijith, Rameau, Julien, Rantakyrö, Fredrik T., Savransky, Dmitry, Schneider, Adam C., Sivaramakrishnan, Anand, Song, Inseok, Soummer, Remi, Thomas, Sandrine, Vega, David, Wallace, J. Kent, Ward-Duong, Kimberly, Wiktorowicz, Sloane, Wolff, Schuyler

We present H-band near-infrared polarimetric imaging observations of the F5V star HD 157587 obtained with the Gemini Planet Imager (GPI) that reveal the debris disk as a bright ring structure at a separation of similar to 80-100 au. The new GPI data

Externí odkaz: http://hdl.handle.net/10150/624743
http://arizona.openrepository.com/arizona/handle/10150/624743