Smithsonian Digital Repository: Recent submissions

  • Community Action: Planning for Specimen Management in Funding Proposals 
    Bentley, Andrew; Thiers, Barbara; Moser, William E.; Watkins-Colwell, Gregory; Zimkus, Breda M.; Monfils, Anna K.; Franz, Nico M.; Bates, John M.; Boundy-Mills, Kyria; Lomas, Michael W.; Ellwood, Elizabeth R.; Poo, Sinlan; Contreras, Dori L.; Webster, Michael S.; Nelson, Gil; Pandey, Jyotsna L. (2024)
  • Dispersive Suprathermal Ion Events Observed by the Parker Solar Probe Mission 
    Alnussirat, S. T.; Livi, R.; Larson, D. E.; Rahmati, A.; Whittlesey, P. L.; Romeo, O.; Badman, S. T.; Buitrago-Casas, Milo; Martínez Oliveros, Juan Carlos; Pulupa, M.; Bale, S. D.; Huang, J.; Verniero, J.; Raouafi, N.; Mitchell, Donald; McComas, D. J.; Hill, Matt; Cohen, Christina (2023)
    During Encounter 11, Parker Solar Probe observed a low-energy dispersive ions event of solar origin. The event was observed in the SPAN-I and IS?IS EPI-Lo sensors. The event started at a few MeV energy in the EPI-Lo sensor ...
  • Signatures of strong magnetization and a metal-poor atmosphere for a Neptune-sized exoplanet 
    Ben-Jaffel, Lotfi; Ballester, Gilda E.; García Muñoz, Antonio; Lavvas, Panayotis; Sing, David K.; Sanz-Forcada, Jorge; Cohen, Ofer; Kataria, Tiffany; Henry, Gregory W.; Buchhave, Lars; Mikal-Evans, Thomas; Wakeford, Hannah R.; López-Morales, Mercedes (2022)
    The magnetosphere of an exoplanet has yet to be unambiguously detected. Investigations of star-planet interaction and neutral atomic hydrogen absorption during transit to detect magnetic fields in hot Jupiters have been ...
  • Interchange reconnection as the source of the fast solar wind within coronal holes 
    Bale, S. D.; Drake, J. F.; McManus, M. D.; Desai, M. I.; Badman, S. T.; Larson, D. E.; Swisdak, M.; Horbury, T. S.; Raouafi, N. E.; Phan, T.; Velli, M.; McComas, D. J.; Cohen, C. M. S.; Mitchell, D.; Panasenco, O.; Kasper, J. C. (2023)
    The fast solar wind that fills the heliosphere originates from deep within regions of open magnetic field on the Sun called `coronal holes'. The energy source responsible for accelerating the plasma is widely debated; ...
  • Far beyond the Sun - II. Probing the stellar magnetism of the young Sun ? Horologii from the photosphere to its corona 
    Amazo-Gómez, E. M.; Alvarado-Gómez, J. D.; Poppenhäger, K.; Hussain, G. A. J.; Wood, B. E.; Drake, J. J.; do Nascimento, J. -D; Anthony, F.; Sanz-Forcada, J.; Stelzer, B.; Del Sordo, F.; Damasso, M.; Redfield, S.; Donati, J. F.; König, P. C.; Hébrard, G.; Miles-Páez, P. A. (2023)
    A comprehensive multiwavelength campaign has been carried out to probe stellar activity and variability in the young Sun-like star ?-Horologii. We present the results from long-term spectropolarimetric monitoring of the ...
  • Retrospective review of the pathology of American pikas 
    Barrett, Adrienne; Holder, Kali; Knowles, Susan; LaDouceur, Elise E. B. (2024)
    American pikas ( Ochotona princeps) are small lagomorphs that live in mountainous talus areas of western North America. Studies on the histopathology of American pikas are limited. We summarize here the clinical histories, ...
  • Unveiling the nature of infrared bright, optically dark galaxies with early JWST data 
    Barrufet, L.; Oesch, P. A.; Weibel, A.; Brammer, G.; Bezanson, R.; Bouwens, R.; Fudamoto, Y.; Gonzalez, V.; Gottumukkala, R.; Illingworth, G.; Heintz, K. E.; Holden, B.; Labbe, I.; Magee, D.; Naidu, R. P.; Nelson, E.; Stefanon, M.; Smit, R.; van Dokkum, P.; Weaver, J. R.; Williams, C. C. (2023)
    Over the last few years, both Atacama Large Millimeter/submillimeter Array (ALMA) and Spitzer observations have revealed a population of likely massive galaxies at z > 3 that was too faint to be detected inHubble Space ...
  • Mother of dragons. A massive, quiescent core in the dragon cloud (IRDC G028.37+00.07) 
    Barnes, A. T.; Liu, J.; Zhang, Q.; Tan, J. C.; Bigiel, F.; Caselli, P.; Cosentino, G.; Fontani, F.; Henshaw, J. D.; Jiménez-Serra, I.; Kalb, D. -S; Law, C. Y.; Longmore, S. N.; Parker, R. J.; Pineda, J. E.; Sánchez-Monge, A.; Lim, W.; Wang, K. (2023)
    Context. Core accretion models of massive star formation require the existence of massive, starless cores within molecular clouds. Yet, only a small number of candidates for such truly massive, monolithic cores are currently ...
  • Prediction and Verification of Parker Solar Probe Solar Wind Sources at 13.3 R<sub>?</sub> 
    Badman, S. T.; Riley, P.; Jones, S. I.; Kim, T. K.; Allen, R. C.; Arge, C. N.; Bale, S. D.; Henney, C. J.; Kasper, J. C.; Mostafavi, P.; Pogorelov, N. V.; Raouafi, N. E.; Stevens, M. L.; Verniero, J. L. (2023)
    Drawing connections between heliospheric spacecraft and solar wind sources is a vital step in understanding the evolution of the solar corona into the solar wind and contextualizing in situ timeseries. Furthermore, making ...
  • The Marine Benthic Algal Flora of Puerto Rico, II. Chlorophyta and Prasinodermatophyta 
    Ballantine, David L.; Norris, James N.; Ruiz, Hector (2023)
    This treatment is a taxonomic study of the benthic species of Chlorophyta known from Puerto Rico, Caribbean Sea. In all, 2 classes, 8 or¬ders, 25 families, 50 genera, and 150 species occur in the benthic marine communities ...
  • Early Release Science of the exoplanet WASP-39b with JWST NIRSpec G395H 
    Alderson, Lili; Wakeford, Hannah R.; Alam, Munazza K.; Batalha, Natasha E.; Lothringer, Joshua D.; Adams Redai, Jea; Barat, Saugata; Brande, Jonathan; Damiano, Mario; Daylan, Tansu; Espinoza, Néstor; Flagg, Laura; Goyal, Jayesh M.; Grant, David; Hu, Renyu; Inglis, Julie; Lee, Elspeth K. H.; Mikal-Evans, Thomas; Ramos-Rosado, Lakeisha; Roy, Pierre-Alexis; Wallack, Nicole L.; Batalha, Natalie M.; Bean, Jacob L.; Benneke, Björn; Berta-Thompson, Zachory K.; Carter, Aarynn L.; Changeat, Quentin; Colón, Knicole D.; Crossfield, Ian J. M.; Désert, Jean-Michel; Foreman-Mackey, Daniel; Gibson, Neale P.; Kreidberg, Laura; Line, Michael R.; López-Morales, Mercedes; Molaverdikhani, Karan; Moran, Sarah E.; Morello, Giuseppe; Moses, Julianne I.; Mukherjee, Sagnick; Schlawin, Everett; Sing, David K.; Stevenson, Kevin B.; Taylor, Jake; Aggarwal, Keshav; Ahrer, Eva-Maria; Allen, Natalie H.; Barstow, Joanna K.; Bell, Taylor J.; Blecic, Jasmina; Casewell, Sarah L.; Chubb, Katy L.; Crouzet, Nicolas; Cubillos, Patricio E.; Decin, Leen; Feinstein, Adina D.; Fortney, Joanthan J.; Harrington, Joseph; Heng, Kevin; Iro, Nicolas; Kempton, Eliza M. -R; Kirk, James; Knutson, Heather A.; Krick, Jessica; Leconte, Jérémy; Lendl, Monika; MacDonald, Ryan J.; Mancini, Luigi; Mansfield, Megan; May, Erin M.; Mayne, Nathan J.; Miguel, Yamila; Nikolov, Nikolay K.; Ohno, Kazumasa; Palle, Enric; Parmentier, Vivien; Petit dit de la Roche, Dominique J. M.; Piaulet, Caroline; Powell, Diana; Rackham, Benjamin V.; Redfield, Seth; Rogers, Laura K.; Rustamkulov, Zafar; Tan, Xianyu; Tremblin, P.; Tsai, Shang-Min; Turner, Jake D.; de Val-Borro, Miguel; Venot, Olivia; Welbanks, Luis; Wheatley, Peter J.; Zhang, Xi (2023)
    Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems<sup>1,2</sup>. Access to the chemical inventory of an ...
  • The Statistical Uncertainties on X-Ray Flux and Spectral Parameters from Chandra ACIS-I Observations of Faint Sources: Application to the Cygnus OB2 Association 
    Albacete-Colombo, J. F.; Flaccomio, E.; Drake, J. J.; Wright, N. J.; Guarcello, M.; Kashyap, V. (2023)
    We investigate the uncertainties of fitted X-ray model parameters and fluxes for relatively faint Chandra ACIS-I source spectra. Monte Carlo (MC) simulations are employed to construct a large set of 150,000 fake X-ray ...
  • Diffuse X-Ray Emission in the Cygnus OB2 Association 
    Albacete-Colombo, J. F.; Drake, J. J.; Flaccomio, E.; Wright, N. J.; Kashyap, V.; Guarcello, M. G.; Briggs, K.; Drew, J. E.; Fenech, D. M.; Micela, G.; McCollough, Michael; Prinja, R. K.; Schneider, N.; Sciortino, S.; Vink, J. S. (2023)
    We present a large-scale study of diffuse X-ray emission in the nearby massive stellar association Cygnus OB2 as part of the Chandra Cygnus OB2 Legacy Program. We used 40 Chandra X-ray ACIS-I observations covering ~1.0 ...
  • Early Release Science of the exoplanet WASP-39b with JWST NIRCam 
    Ahrer, Eva-Maria; Stevenson, Kevin B.; Mansfield, Megan; Moran, Sarah E.; Brande, Jonathan; Morello, Giuseppe; Murray, Catriona A.; Nikolov, Nikolay K.; Petit dit de la Roche, Dominique J. M.; Schlawin, Everett; Wheatley, Peter J.; Zieba, Sebastian; Batalha, Natasha E.; Damiano, Mario; Goyal, Jayesh M.; Lendl, Monika; Lothringer, Joshua D.; Mukherjee, Sagnick; Ohno, Kazumasa; Batalha, Natalie M.; Battley, Matthew P.; Bean, Jacob L.; Beatty, Thomas G.; Benneke, Björn; Berta-Thompson, Zachory K.; Carter, Aarynn L.; Cubillos, Patricio E.; Daylan, Tansu; Espinoza, Néstor; Gao, Peter; Gibson, Neale P.; Gill, Samuel; Harrington, Joseph; Hu, Renyu; Kreidberg, Laura; Lewis, Nikole K.; Line, Michael R.; López-Morales, Mercedes; Parmentier, Vivien; Powell, Diana K.; Sing, David K.; Tsai, Shang-Min; Wakeford, Hannah R.; Welbanks, Luis; Alam, Munazza K.; Alderson, Lili; Allen, Natalie H.; Anderson, David R.; Barstow, Joanna K.; Bayliss, Daniel; Bell, Taylor J.; Blecic, Jasmina; Bryant, Edward M.; Burleigh, Matthew R.; Carone, Ludmila; Casewell, S. L.; Changeat, Quentin; Chubb, Katy L.; Crossfield, Ian J. M.; Crouzet, Nicolas; Decin, Leen; Désert, Jean-Michel; Feinstein, Adina D.; Flagg, Laura; Fortney, Jonathan J.; Gizis, John E.; Heng, Kevin; Iro, Nicolas; Kempton, Eliza M. -R; Kendrew, Sarah; Kirk, James; Knutson, Heather A.; Komacek, Thaddeus D.; Lagage, Pierre-Olivier; Leconte, Jérémy; Lustig-Yaeger, Jacob; MacDonald, Ryan J.; Mancini, Luigi; May, E. M.; Mayne, N. J.; Miguel, Yamila; Mikal-Evans, Thomas; Molaverdikhani, Karan; Palle, Enric; Piaulet, Caroline; Rackham, Benjamin V.; Redfield, Seth; Rogers, Laura K.; Roy, Pierre-Alexis; Rustamkulov, Zafar; Shkolnik, Evgenya L.; Sotzen, Kristin S.; Taylor, Jake; Tremblin, P.; Tucker, Gregory S.; Turner, Jake D.; de Val-Borro, Miguel; Venot, Olivia; Zhang, Xi (2023)
    Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in equilibrium, revealing planet formation ...
  • Modeling the larval dispersal and connectivity of Red Snapper (<i>Lutjanus</i> <i>campechanus</i>) in the Northern Gulf of Mexico 
    Zhou, Xing; Lopera, Luisa; Roa-Varón, Adela; Bracco, Annalisa (2024)
    Advancements in computing power and improved biophysical dispersal models, have enhanced our ability to realistically simulate distributions and behaviors of fish larvae. In this study, a 1 km high-resolution ocean model ...
  • Trees adjust nutrient acquisition strategies across tropical forest secondary succession 
    Wong, Michelle Y.; Wurzburger, Nina; Hall, Jefferson S.; Wright, S. Joseph; Tang, Wenguang; Hedin, Lars O.; Saltonstall, Kristin; van Breugel, Michiel; Batterman, Sarah A. (2024)
    Nutrient limitation may constrain the ability of recovering and mature tropical forests to serve as a carbon sink. However, it is unclear to what extent trees can utilize nutrient acquisition strategies - especially root ...
  • Selection drives divergence of eye morphology in sympatric <i>Heliconius</i> butterflies 
    Wright, Daniel Shane; Rodriguez-Fuentes, Juliana; Ammer, Lisa; Darragh, Kathy; Kuo, Chi-Yun; McMillan, W. Owen; Jiggins, Chris D.; Montgomery, Stephen H.; Merrill, Richard M. (2024)
    When populations experience different sensory conditions, natural selection may favor sensory system divergence, affecting peripheral structures and/or downstream neural pathways. We characterized the outer eye morphology ...
  • A Search for Pulsars around Sgr A* in the First Event Horizon Telescope Data Set 
    Torne, Pablo; Liu, Kuo; Eatough, Ralph P.; Wongphechauxsorn, Jompoj; Cordes, James M.; Desvignes, Gregory; De Laurentis, Mariafelicia; Kramer, Michael; Ransom, Scott M.; Chatterjee, Shami; Wharton, Robert; Karuppusamy, Ramesh; Blackburn, Lindy; Janssen, Michael; Chan, Chi-kwan; Crew,Geoffrey, B.; Matthews, Lynn D.; Goddi, Ciriaco; Rottmann, Helge; Wagner, Jan; Sánchez, Salvador; Ruiz, Ignacio; Abbate, Federico; Bower, Geoffrey C.; Salamanca, Juan J.; Gómez-Ruiz, Arturo I.; Herrera-Aguilar, Alfredo; Jiang, Wu; Lu, Ru-Sen; Pen, Ue-Li; Raymond, Alexander W.; Shao, Lijing; Shen, Zhiqiang; Paubert, Gabriel; Sanchez-Portal, Miguel; Kramer, Carsten; Castillo, Manuel; Navarro, Santiago; John, David; Schuster, Karl-Friedrich; Johnson, Michael D.; Rygl, Kazi L. J.; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter; Algaba, Juan Carlos; Anantua, Richard; Asada, Keiichi; Azulay, Rebecca; Bach, Uwe; Baczko, Anne-Kathrin; Ball, David; Balokovic, Mislav; Barrett, John; Bauböck, Michi; Benson, Bradford A.; Bintley, Dan; Blundell, Raymond; Bouman, Katherine L.; Boyce, Hope; Bremer, Michael; Brinkerink, Christiaan D.; Brissenden, Roger; Britzen, Silke; Broderick, Avery E.; Broguiere, Dominique; Bronzwaer, Thomas; Bustamante, Sandra; Byun, Do-Young; Carlstrom, John E.; Ceccobello, Chiara; Chael, Andrew; Chang, Dominic O.; Chatterjee, Koushik; Chen, Ming-Tang; Chen, Yongjun; Cheng, Xiaopeng; Cho, Ilje; Christian, Pierre; Conroy, Nicholas S.; Conway, John E.; Crawford, Thomas M.; Cruz-Osorio, Alejandro; Cui, Yuzhu; Dahale, Rohan; Davelaar, Jordy; Deane, Roger; Dempsey, Jessica; Dexter, Jason; Dhruv, Vedant; Doeleman, Sheperd S.; Dougal, Sean; Dzib, Sergio A.; Emami, Razieh; Falcke, Heino; Farah, Joseph; Fish, Vincent L.; Fomalont, Ed; Ford, H. Alyson; Foschi, Marianna; Fraga-Encinas, Raquel; Freeman, William T.; Friberg, Per; Fromm, Christian M.; Fuentes, Antonio; Galison, Peter; Gammie, Charles F.; García, Roberto; Gentaz, Olivier; Georgiev, Boris; Gold, Roman; Gómez, José L.; Gu, Minfeng; Gurwell, Mark; Hada, Kazuhiro; Haggard, Daryl; Haworth, Kari; Hecht, Michael H.; Hesper, Ronald; Heumann, Dirk; Ho, Luis C.; Ho, Paul; Honma, Mareki; Huang, Chih-Wei L.; Huang, Lei; Hughes, David H.; Ikeda, Shiro; Impellizzeri, C. M. Violette; Inoue, Makoto; Issaoun, Sara; James, David J.; Jannuzi, Buell T.; Jeter, Britton; Jiménez-Rosales, Alejandra; Jorstad, Svetlana; Joshi, Abhishek V.; Jung, Taehyun; Karami, Mansour; Kawashima, Tomohisa; Keating, Garrett K.; Kettenis, Mark; Kim, Dong-Jin; Kim, Jae-Young; Kim, Jongsoo; Kim, Junhan; Kino, Motoki; Koay, Jun Yi; Kocherlakota, Prashant; Kofuji, Yutaro; Koyama, Shoko; Krichbaum, Thomas P.; Kuo, Cheng-Yu; La Bella, Noemi; Lauer, Tod R.; Lee, Daeyoung; Lee, Sang-Sung; Leung, Po Kin; Levis, Aviad; Li, Zhiyuan; Lico, Rocco; Lindahl, Greg; Lindqvist, Michael; Lisakov, Mikhail; Liu, Jun; Liuzzo, Elisabetta; Lo, Wen-Ping; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin J.; MacDonald, Nicholas R.; Mao, Jirong; Marchili, Nicola; Markoff, Sera; Marrone, Daniel P.; Marscher, Alan P.; Martí-Vidal, Iván; Matsushita, Satoki; Medeiros, Lia; Menten, Karl M.; Michalik, Daniel; Mizuno, Izumi; Mizuno, Yosuke; Moran, James M.; Moriyama, Kotaro; Moscibrodzka, Monika; Müller, Cornelia; Müller, Hendrik; Mus, Alejandro; Musoke, Gibwa; Myserlis, Ioannis; Nadolski, Andrew; Nagai, Hiroshi; Nagar, Neil M.; Nakamura, Masanori; Narayan, Ramesh; Narayanan, Gopal; Natarajan, Iniyan; Nathanail, Antonios; Neilsen, Joey; Neri, Roberto; Ni, Chunchong; Noutsos, Aristeidis; Nowak, Michael A.; Oh, Junghwan; Okino, Hiroki; Olivares, Héctor; Ortiz-León, Gisela N.; Oyama, Tomoaki; Özel, Feryal; Palumbo, Daniel C. M.; Paraschos, Georgios Filippos; Park, Jongho; Parsons, Harriet; Patel, Nimesh; Pesce, Dominic W.; Piétu, Vincent; Plambeck, Richard; PopStefanija, Aleksandar; Porth, Oliver; Pötzl, Felix M.; Prather, Ben; Preciado-López, Jorge A.; Psaltis, Dimitrios; Pu, Hung-Yi; Ramakrishnan, Venkatessh; Rao, Ramprasad; Rawlings, Mark G.; Rezzolla, Luciano; Ricarte, Angelo; Ripperda, Bart; Roelofs, Freek; Rogers, Alan; Ros, Eduardo; Romero-Cañizales, Cristina; Roshanineshat, Arash; Roy, Alan L.; Ruszczyk, Chet; Sánchez-Argüelles, David; Sasada, Mahito; Satapathy, Kaushik; Savolainen, Tuomas; Schloerb, F. Peter; Schonfeld, Jonathan; Small, Des; Sohn, Bong Won; SooHoo, Jason; Souccar, Kamal; Sun, He; Tetarenko, Alexandra J.; Tiede, Paul; Tilanus, Remo P. J.; Titus, Michael; Toscano, Teresa; Traianou, Efthalia; Trent, Tyler; Trippe, Sascha; Turk, Matthew; van Bemmel, Ilse; van Langevelde, Huib Jan; van Rossum, Daniel R.; Vos, Jesse; Ward-Thompson, Derek; Wardle, John; Weintroub, Jonathan; Wex, Norbert; Wielgus, Maciek; Wiik, Kaj; Witzel, Gunther; Wondrak, Michael F.; Wong, George N.; Wu, Qingwen; Yadlapalli, Nitika; Yamaguchi, Paul; Yfantis, Aristomenis; Yoon, Doosoo; Young, André; Young, Ken; Younsi, Ziri; Yu, Wei; Yuan, Feng; Yuan, Ye-Fei; Zensus, J. Anton; Zhang, Shuo; Zhao, Guang-Yao; Zhao, Shan-Shan (2023)
    In 2017 the Event Horizon Telescope (EHT) observed the supermassive black hole at the center of the Milky Way, Sagittarius A* (Sgr A*), at a frequency of 228.1 GHz (? = 1.3 mm). The fundamental physics tests that even a ...
  • The CAMELS Project: Public Data Release 
    Villaescusa-Navarro, Francisco; Genel, Shy; Anglés-Alcázar, Daniel; Perez, Lucia A.; Villanueva-Domingo, Pablo; Wadekar, Digvijay; Shao, Helen; Mohammad, Faizan G.; Hassan, Sultan; Moser, Emily; Lau, Erwin T.; Machado Poletti Valle, Luis Fernando; Nicola, Andrina; Thiele, Leander; Jo, Yongseok; Philcox, Oliver H. E.; Oppenheimer, Benjamin D.; Tillman, Megan; Hahn, ChangHoon; Kaushal, Neerav; Pisani, Alice; Gebhardt, Matthew; Delgado, Ana Maria; Caliendo, Joyce; Kreisch, Christina; Wong, Kaze W. K.; Coulton, William R.; Eickenberg, Michael; Parimbelli, Gabriele; Ni, Yueying; Steinwandel, Ulrich P.; La Torre, Valentina; Dave, Romeel; Battaglia, Nicholas; Nagai, Daisuke; Spergel, David N.; Hernquist, Lars; Burkhart, Blakesley; Narayanan, Desika; Wandelt, Benjamin; Somerville, Rachel S.; Bryan, Greg L.; Viel, Matteo; Li, Yin; Irsic, Vid; Kraljic, Katarina; Marinacci, Federico; Vogelsberger, Mark (2023)
    The Cosmology and Astrophysics with Machine Learning Simulations (CAMELS) project was developed to combine cosmology with astrophysics through thousands of cosmological hydrodynamic simulations and machine learning. CAMELS ...
  • Gas Morphology of Milky Way–like Galaxies in the TNG50 Simulation: Signals of Twisting and Stretching 
    Waters, Thomas K.; Peterson, Colton; Emami, Razieh; Shen, Xuejian; Hernquist, Lars; Smith, Randall; Vogelsberger, Mark; Alcock, Charles; Tremblay, Grant; Liska, Matthew; Forbes, John C.; Moreno, Jorge (2024)
    We present an in-depth analysis of gas morphologies for a sample of 25 Milky Way–like galaxies from the IllustrisTNG TNG50 simulation. We constrain the morphology of cold, warm, hot gas, and gas particles as a whole using ...

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