Browsing Institutt for teoretisk astrofysikk by Author "Gschwend, Julia"

Now showing items 1-10 of 10

  • Assessing tension metrics with dark energy survey and Planck data 
    Lemos, Pablo; Raveri, Marco; Campos, A.; Park, Y.; Chang, C.; Weaverdyck, Noah; Huterer, Dragan; Liddle, A. R.; Blazek, J.; Cawthon, Ross; Choi, A.; DeRose, J.; Dodelson, Scott; Doux, Cyrille; Gatti, M.; Gruen, Daniel; Harrison, Ian; Krause, Elisabeth; Lahav, Ofer; MacCrann, Niall; Muir, J.; Prat, Judit; Rau, Markus Michael; Rollins, R. P.; Samuroff, Simon; Zuntz, Joseph; Aguena, Michel; Allam, Sahar; Annis, James; Avila, Santiago; Bacon, D.; Bernstein, Gary M.; Bertin, Emmanuel; Brooks, D.; Burke, David L.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, Jorge; Castander, Francisco Javier; Conselice, Christopher; Costanzi, Matteo; Crocce, Martin; Pereira, Maria Elidaiana da Silva; Davis, Tamara M.; De Vicente, Juan; Desai, S.; Diehl, Herman T.; Doel, Peter; Eckert, Kathleen; Eifler, Tim F.; Elvin-Poole, J.; Everett, Spencer; Evrard, August E.; Ferrero, Ismael; Ferté, Agnès; Flaugher, Brenna; Fosalba, Pablo; Frieman, Josh; García-Bellido, Juan; Gaztañaga, Enrique; Gerdes, David W.; Giannantonio, Tommaso; Gruendl, Robert A.; Gschwend, Julia; Gutierrez, G.; Hartley, William G.; Hinton, Samuel R.; Hollowood, Devon L.; Honscheid, Klaus; Hoyle, Ben; Huff, Eric M.; James, David J.; Jarvis, M.; Lima, M.; Maia, Marcio A. G.; March, Marisa; Marshall, Jennifer L.; Martini, Paul; Melchior, Peter; Menanteau, Felipe; Miquel, Ramon; Mohr, Joseph J.; Morgan, R.; Myles, Justin; Ogando, Ricardo L. C.; Palmese, Antonella; Pandey, S.; Paz-Chinchón, Francisco; Plazas Malagón, Andrés A.; Rodriguez-Monroy, Martin; Roodman, Aaron; Sanchez, E.; Scarpine, Vic; Schubnell, M.; Secco, Lucas Frozza; Serrano, S.; Sevilla-Noarbe, Ignacio; Smith, Mathew; Soares-Santos, Marcelle; Suchyta, Eric; Swanson, Molly E. C.; Tarlé, Gregory; Thomas, D.; To, Chun-Hao; Troxel, Michael A.; Varga, Tamas Norbert; Weller, Jochen; Wester, W. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    ABSTRACT Quantifying tensions – inconsistencies amongst measurements of cosmological parameters by different experiments – has emerged as a crucial part of modern cosmological data analysis. Statistically significant ...
  • Dark Energy Survey Year 3 results: Curved-sky weak lensing mass map reconstruction 
    Jeffrey, Niall; Gatti, Marco; Chang, C.; Whiteway, L.; Demirbozan, U.; Kovács, András; Pollina, G.; Bacon, D.; Hamaus, N.; Kacprzak, T.; Lahav, Ofer; Lanusse, F.; Mawdsley, Ben; Nadathur, Seshadri; Starck, J. L.; Vielzeuf, P.; Zeurcher, D.; Alarcon, A.; Amon, Alexandra; Bechtol, Keith; Bernstein, Gary M.; Campos, A.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Cawthon, Ross; Chen, R.; Choi, A.; Cordero, J.; Davis, C.; DeRose, Joseph; Doux, Cyrille; Drlica-Wagner, Alex; Eckert, K.; Elsner, Frank; Elvin-Poole, J.; Everett, Spencer; Ferté, Agnès; Giannini, G.; Gruen, Daniel; Gruendl, Robert A.; Harrison, Ian; Hartley, William G.; Herner, K.; Huff, Eric M.; Huterer, Dragan; Kuropatkin, Nikolay; Jarvis, M.; Leget, P. F.; MacCrann, Niall; McCullough, Jason; Muir, J.; Myles, Justin; Navarro-Alsina, A.; Pandey, S.; Prat, J.; Raveri, Marco; Rollins, R. P.; Ross, Ashley J.; Rykoff, Eli S.; Sánchez, Carles; Secco, Lucas Frozza; Sevilla-Noarbe, Ignacio; Sheldon, E.; Shin, T.; Troxel, Michael A.; Tutusaus, I.; Varga, Tamas Norbert; Yanny, Brian; Yin, B.; Zhang, Y.; Zuntz, Joseph; Abbott, Timothy M. C.; Aguena, Michel; Allam, Sahar; Andrade-Oliveira, F.; Becker, Matthew R.; Bertin, Emmanuel; Bhargava, Sunayana; Brooks, D.; Burke, David L.; Carretero, Jorge; Castander, Francisco Javier; Conselice, Christopher; Costanzi, Matteo; Crocce, Martin; da Costa, Luiz N.; Pereira, Maria Elidaiana da Silva; De Vicente, Juan; Desai, S.; Diehl, Herman T.; Dietrich, Jörg P.; Doel, Peter; Ferrero, Ismael; Flaugher, Brenna; Fosalba, Pablo; García-Bellido, Juan; Gaztañaga, Enrique; Gerdes, David W.; Giannantonio, Tommaso; Gschwend, Julia; Gutierrez, G.; Hinton, Samuel R.; Hollowood, Devon L.; Hoyle, Ben; Jain, Bhuvnesh; James, David J.; Lima, M.; Maia, Marcio A. G.; March, M.; Marshall, Jennifer L.; Melchior, P.; Menanteau, Felipe; Miquel, Ramon; Mohr, Joseph J.; Morgan, R.; Ogando, Ricardo L. C.; Palmese, Antonella; Paz-Chinchón, Francisco; Plazas, Andrés A.; Rodriguez-Monroy, Martin; Roodman, Aaron; Sanchez, E.; Scarpine, Vic; Serrano, S.; Smith, Mathew; Soares-Santos, Marcelle; Suchyta, Eric; Tarlé, Gregory; Thomas, Daniel; To, Chun-Hao; Weller, Jochen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    ABSTRACT We present reconstructed convergence maps, mass maps, from the Dark Energy Survey (DES) third year (Y3) weak gravitational lensing data set. The mass maps are weighted projections of the density field ...
  • Dark Energy Survey Year 3 results: redshift calibration of the weak lensing source galaxies 
    Myles, Justin; Alarcon, Alex; Amon, Alexandra; Sánchez, Carles; Everett, Spencer; DeRose, Joseph; McCullough, J.; Gruen, Daniel; Bernstein, Gary M.; Troxel, Michael A.; Dodelson, Scott; Campos, A.; MacCrann, Niall; Yin, B.; Raveri, Marco; Amara, Adam; Becker, Matthew R.; Choi, A.; Cordero, J.; Eckert, K.; Gatti, M.; Giannini, Giulia; Gschwend, Julia; Gruendl, Robert A.; Harrison, Ian; Hartley, William G.; Huff, Eric M.; Kuropatkin, Nikolay; Lin, H.; Masters, D.; Miquel, R.; Prat, Judit; Roodman, Aaron; Rykoff, Eli S.; Sevilla-Noarbe, Ignacio; Sheldon, E.; Wechsler, Risa H.; Yanny, Brian; Abbott, Timothy M. C.; Aguena, Michel; Allam, Sahar; Annis, James; Bacon, D.; Bertin, Emmanuel; Bhargava, Sunayana; Bridle, Sarah L.; Brooks, David; Burke, David L.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, Jorge; Castander, Francisco Javier; Conselice, Christopher; Costanzi, Matteo; Crocce, Martin; da Costa, Luiz N.; Pereira, Maria Elidaiana da Silva; Desai, S.; Diehl, Herman T.; Eifler, Tim F.; Elvin-Poole, J.; Evrard, August E.; Ferrero, Ismael; Ferté, Agnès; Flaugher, Brenna; Fosalba, Pablo; Frieman, Josh; García-Bellido, Juan; Gaztañaga, Enrique; Giannantonio, Tommaso; Hinton, Samuel R.; Hollowood, Devon L.; Honscheid, Klaus; Hoyle, Ben; Huterer, Dragan; James, David J.; Krause, E.; Kuehn, Kyler; Lahav, Ofer; Lima, M.; Maia, Marcio A. G.; Marshall, Jennifer L.; Martini, Paul; Melchior, P.; Menanteau, Felipe; Mohr, Joseph J.; Morgan, R.; Muir, J.; Ogando, Ricardo L. C.; Palmese, Antonella; Paz-Chinchón, Francisco; Plazas, Andrés A.; Rodriguez-Monroy, Martin; Samuroff, Simon; Sanchez, E.; Scarpine, Vic; Secco, Lucas Frozza; Serrano, S.; Smith, Mathew; Soares-Santos, Marcelle; Suchyta, Eric; Swanson, Molly E. C.; Tarlé, Gregory; Thomas, Daniel; To, Chun-Hao; Varga, Tamas Norbert; Weller, Jochen; Wester, W. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    ABSTRACT Determining the distribution of redshifts of galaxies observed by wide-field photometric experiments like the Dark Energy Survey (DES) is an essential component to mapping the matter density field with ...
  • Galaxy morphological classification catalogue of the Dark Energy Survey Year 3 data with convolutional neural networks 
    Cheng, Ting-Yun; Conselice, Christopher J.; Aragón-Salamanca, Alfonso; Aguena, Michel; Allam, Sahar; Andrade-Oliveira, F.; Annis, J.; Bluck, A. F. L.; Brooks, D.; Burke, David L.; Carrasco Kind, Matias; Carretero, Jorge; Choi, A.; Costanzi, Matteo; da Costa, Luiz N.; Pereira, Maria Elidaiana da Silva; De Vicente, Juan; Diehl, Herman T.; Drlica-Wagner, Alex; Eckert, K.; Everett, S.; Evrard, August E.; Ferrero, Ismael; Fosalba, Pablo; Frieman, Josh; García-Bellido, Juan; Gerdes, David W.; Giannantonio, Tommaso; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia; Gutierrez, G.; Hinton, Samuel R.; Hollowood, Devon L.; Honscheid, Klaus; James, David J.; Krause, E.; Kuehn, Kyler; Kuropatkin, Nikolay; Lahav, Ofer; Maia, Marcio A. G.; March, Marisa; Menanteau, Felipe; Miquel, Ramon; Morgan, R.; Paz-Chinchón, Francisco; Pieres, Adriano; Plazas Malagón, Andrés A.; Roodman, A.; Sanchez, E.; Scarpine, Vic; Serrano, S.; Sevilla-Noarbe, Ignacio; Smith, Mathew; Soares-Santos, Marcelle; Suchyta, E.; Swanson, Molly E. C.; Tarlé, Gregory; Thomas, Daniel; To, Chun-Hao (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    ABSTRACT We present in this paper one of the largest galaxy morphological classification catalogues to date, including over 20 million galaxies, using the Dark Energy Survey (DES) Year 3 data based on convolutional ...
  • Mapping variations of redshift distributions with probability integral transforms 
    Myles, Justin; Gruen, Daniel; Amon, Alexandra; Alarcon, A.; DeRose, J.; Everett, S.; Dodelson, Scott; Bernstein, Gary M.; Campos, A.; Harrison, I.; MacCrann, Niall; McCullough, J.; Raveri, M.; Sánchez, Carles; Troxel, Michael A.; Yin, B.; Abbott, Timothy M. C.; Allam, Sahar; Alves, O.; Andrade-Oliveira, Felipe; Bertin, E.; Brooks, D.; Burke, David L.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, J.; Cawthon, Ross; Costanzi, M.; da Costa, Luiz N.; Pereira, Maria Elidaiana da Silva; Desai, Shantanu; Doel, P.; Ferrero, Ismael; Flaugher, Brenna; Frieman, Josh; García-Bellido, Juan; Gatti, M.; Gerdes, David W.; Gruendl, Robert A.; Gschwend, Julia; Gutierrez, Gaston; Hartley, William G.; Hinton, Samuel R.; Hollowood, Devon L.; Honscheid, Klaus; James, D. J.; Kuehn, K.; Lahav, Ofer; Melchior, P.; Mena-Fernández, J.; Menanteau, F.; Miquel, R.; Mohr, Joseph J.; Palmese, A.; Paz-Chinchón, Francisco; Pieres, Adriano; Plazas Malagón, Andrés A.; Prat, J.; Rodríguez-Monroy, M.; Sanchez, E.; Scarpine, Vic; Sevilla-Noarbe, Ignacio; Smith, M.; Suchyta, Eric; Swanson, Molly E. C.; Tarlé, Gregory; Tucker, D. L.; Vincenzi, M.; Weaverdyck, Noah (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    ABSTRACT We present a method for mapping variations between probability distribution functions and apply this method within the context of measuring galaxy redshift distributions from imaging survey data. This ...
  • OzDES Reverberation Mapping Programme: the first Mg II lags from 5 yr of monitoring 
    Yu, Zhefu; Martini, Paul; Penton, Andrew; Davis, Tamara M.; Malik, U.; Lidman, Chris; Tucker, B. E.; Sharp, R.; Kochanek, Christopher S.; Peterson, B. M.; Aguena, Michel; Allam, Sahar; Andrade-Oliveira, F.; Annis, James; Asorey, Jacobo; Bertin, Emmanuel; Brooks, D.; Burke, David L.; Calcino, J.; Carnero Rosell, Aurelio; Carollo, D.; Carrasco Kind, Matias; Costanzi, Matteo; da Costa, Luiz N.; da Silva Pereira, Maria Elidaiana; Diehl, Herman T.; Everett, S.; Ferrero, Ismael; Flaugher, Brenna; Frieman, Josh; García-Bellido, Juan; Gaztañaga, Enrique; Gerdes, David W.; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia; Gutierrez, G.; Hinton, Samuel R.; Hollowood, Devon L.; James, David J.; Kim, Alex G.; Kron, R.; Kuehn, Kyler; Kuropatkin, Nikolay; Lewis, Geraint F.; Maia, Marcio A. G.; March, Marisa; Marshall, Jennifer L.; Menanteau, Felipe; Miquel, Ramon; Morgan, R.; Möller, A.; Palmese, Antonella; Paz-Chinchón, Francisco; Plazas, Andrés A.; Sanchez, E.; Scarpine, Vic; Serrano, S.; Sevilla-Noarbe, Ignacio; Smith, Mathew; Soares-Santos, Marcelle; Suchyta, Eric; Tarlé, Gregory; Thomas, Daniel; To, Chun-Hao; Tucker, D. L. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Reverberation mapping is a robust method to measure the masses of supermassive black holes outside of the local Universe. Measurements of the radius–luminosity (R−L) relation using the Mg ii emission line are critical for ...
  • Pushing automated morphological classifications to their limits with the Dark Energy Survey 
    Vega-Ferrero, Jesús; Domínguez Sánchez, Helena; Bernardi, Mariangela; Huertas-Company, M.; Morgan, R.; Margalef, B.; Aguena, Michel; Allam, Sahar; Annis, James; Avila, S.; Bacon, D.; Bertin, Emmanuel; Brooks, D.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, Jorge; Choi, A.; Conselice, Christopher; Costanzi, Matteo; da Costa, Luiz N.; Pereira, Maria Elidaiana da Silva; De Vicente, Juan; Desai, S.; Ferrero, Ismael; Fosalba, Pablo; Frieman, Josh; García-Bellido, Juan; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia; Gutierrez, G.; Hartley, William G.; Hinton, Samuel R.; Hollowood, Devon L.; Honscheid, Klaus; Hoyle, B.; Jarvis, M.; Kim, Alex G.; Kuehn, Kyler; Kuropatkin, Nikolay; Lima, M.; Maia, Marcio A. G.; Menanteau, Felipe; Miquel, Ramon; Ogando, Ricardo L. C.; Palmese, Antonella; Paz-Chinchón, Francisco; Plazas, Andrés A.; Romer, A. K.; Sanchez, E.; Scarpine, Vic; Schubnell, M.; Serrano, S.; Sevilla-Noarbe, Ignacio; Smith, Mathew; Suchyta, Eric; Swanson, Molly E. C.; Tarlé, Gregory; Tarsitano, F.; To, Chun-Hao; Tucker, D. L.; Varga, Tamas Norbert; Wilkinson, Reese D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    ABSTRACT We present morphological classifications of ∼27 million galaxies from the Dark Energy Survey (DES) Data Release 1 (DR1) using a supervised deep learning algorithm. The classification scheme separates: ...
  • Rates and delay times of Type Ia supernovae in the Dark Energy Survey 
    Wiseman, Philip; Sullivan, Mark; Smith, M.; Frohmaier, Christopher; Vincenzi, Maria; Graur, Or; Popovic, B.; Armstrong, P.; Brout, D.; Davis, Tamara M.; Galbany, Lluís; Hinton, Samuel R.; Kelsey, Lisa; Kessler, R.; Lidman, Chris; Möller, A.; Nichol, Robert C.; Rose, B.; Scolnic, Daniel; Toy, Michael D.; Zontou, Z.; Asorey, Jacobo; Carollo, Daniela; Glazebrook, K.; Lewis, Geraint F.; Tucker, B. E.; Abbott, Timothy M. C.; Aguena, Michel; Allam, Sahar; Andrade-Oliveira, F.; Annis, James; Bacon, D.; Bertin, Emmanuel; Brooks, D.; Buckley-Geer, Elizabeth; Burke, David L.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, Jorge; Costanzi, Matteo; da Costa, Luiz N.; Pereira, Maria Elidaiana da Silva; Desai, S.; Diehl, Herman T.; Doel, Peter; Everett, S.; Ferrero, Ismael; Flaugher, Brenna; Fosalba, Pablo; Frieman, Josh; García-Bellido, Juan; Gaztañaga, Enrique; Giannantonio, Tommaso; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia; Gutierrez, G.; Hollowood, Devon L.; Honscheid, Klaus; Hoyle, B.; James, David J.; Krause, Elisabeth; Kuehn, Kyler; Kuropatkin, Nikolay; Maia, Marcio A. G.; Marshall, Jennifer L.; Martini, Paul; Menanteau, Felipe; Miquel, Ramon; Morgan, R.; Ogando, Ricardo L. C.; Palmese, Antonella; Paz-Chinchón, Francisco; Petravick, D.; Pieres, Adriano; Plazas Malagón, Andrés A.; Romer, A. K.; Sanchez, E.; Scarpine, Vic; Schubnell, M.; Serrano, Santiago; Sevilla-Noarbe, Ignacio; Soares-Santos, Marcelle; Suchyta, Eric; Swanson, Molly E. C.; Tarlé, Gregory; To, Chun-Hao; Varga, Tamas Norbert; Walker, Alistair R. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    We use a sample of 809 photometrically classified Type Ia supernovae (SNe Ia) discovered by the Dark Energy Survey (DES) along with 40 415 field galaxies to calculate the rate of SNe Ia per galaxy in the redshift range 0.2 ...
  • The Dark Energy Survey Supernova Program results: type Ia supernova brightness correlates with host galaxy dust 
    Meldorf, Cole; Palmese, Antonella; Brout, Dillon; Chen, R.; Scolnic, Daniel; Kelsey, Lisa; Galbany, Lluís; Hartley, William G.; Davis, Tamara M.; Drlica-Wagner, Alex; Vincenzi, M.; Annis, James; Dixon, M.; Graur, Or; Lidman, C.; Möller, A.; Nugent, P.; Rose, B.; Smith, Mathew; Allam, Sahar; Tucker, D. L.; Asorey, Jacobo; Calcino, J.; Carollo, D.; Glazebrook, K.; Lewis, Geraint F.; Taylor, G.; Tucker, B. E.; Kim, Alex G.; Diehl, Herman T.; Aguena, Michel; Andrade-Oliveira, Felipe; Bacon, David; Bertin, E.; Bocquet, S.; Brooks, D.; Burke, David L.; Carretero, Jorge; Carrasco Kind, Matias; Castander, Francisco Javier; Costanzi, M.; da Costa, Luiz N.; Desai, Shantanu; Doel, Peter; Everett, S.; Ferrero, Ismael; Friedel, D.; Frieman, Josh; García-Bellido, Juan; Gatti, M.; Gruen, D.; Gschwend, Julia; Gutierrez, G.; Hinton, Samuel R.; Hollowood, Devon L.; Honscheid, Klaus; James, D. J.; Kuehn, Kyler; March, M.; Marshall, J. L.; Menanteau, Felipe; Miquel, R.; Morgan, R.; Paz-Chinchón, Francisco; Pereira, Maria Elidaiana da Silva; Plazas Malagón, Andrés A.; Sanchez, E.; Scarpine, Vic; Sevilla-Noarbe, Ignacio; Suchyta, Eric; Tarlé, Gregory; Varga, Tamas Norbert (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Cosmological analyses with type Ia supernovae (SNe Ia) often assume a single empirical relation between colour and luminosity (β) and do not account for varying host-galaxy dust properties. However, from studies of dust ...
  • Understanding the extreme luminosity of DES14X2fna 
    Grayling, Matthew; Gutiérrez, Claudia P.; Sullivan, Mark; Wiseman, Philip; Vincenzi, Maria; González-Gaitán, Santiago; Tucker, B. E.; Galbany, Lluís; Kelsey, Lisa; Lidman, Chris; Swann, E.; Smith, Mathew; Frohmaier, Christopher; Carollo, Daniela; Glazebrook, K.; Lewis, Geraint F.; Möller, Anais; Hinton, Samuel R.; Uddin, S. A.; Abbott, Timothy M. C.; Aguena, Michel; Avila, Santiago; Bertin, Emmanuel; Bhargava, S.; Brooks, D.; Carnero Rosell, Aurelio; Carrasco Kind, Matias; Carretero, Jorge; Costanzi, Matteo; da Costa, Luiz N.; De Vicente, Juan; Desai, S.; Diehl, Herman T.; Doel, Peter; Everett, Spencer; Ferrero, Ismael; Fosalba, Pablo; Frieman, Josh; García-Bellido, Juan; Gaztañaga, Enrique; Gruen, Daniel; Gruendl, Robert A.; Gschwend, Julia; Gutierrez, G.; Hoyle, B.; Kuehn, Kyler; Kuropatkin, Nikolay; Lima, M.; MacCrann, Niall; Marshall, Jennifer L.; Martini, Paul; Miquel, Ramon; Morgan, R.; Palmese, Antonella; Paz-Chinchón, Francisco; Plazas, Andrés A.; Romer, A. K.; Sánchez, Carles; Sanchez, E.; Scarpine, Vic; Serrano, S.; Sevilla-Noarbe, Ignacio; Soares-Santos, Marcelle; Suchyta, Eric; Tarlé, Gregory; Thomas, Daniel; To, Chun-Hao; Varga, Tamas Norbert; Walker, Alistair R.; Wilkinson, Reese D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    ABSTRACT We present DES14X2fna, a high-luminosity, fast-declining Type IIb supernova (SN IIb) at redshift z = 0.0453, detected by the Dark Energy Survey (DES). DES14X2fna is an unusual member of its class, with ...