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Browsing by Author "Andrade-Santos, Felipe"

Browsing by Author "Andrade-Santos, Felipe"

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  • Author Correction: A highly magnified star at redshift 6.2 
    Welch, Brian; Coe, Dan; Diego, Jose M.; Zitrin, Adi; Zackrisson, Erik; Dimauro, Paola; Jiménez-Teja, Yolanda; Kelly, Patrick; Mahler, Guillaume; Oguri, Masamune; Timmes, F. X.; Windhorst, Rogier; Florian, Michael; de Mink, S. E.; Avila, Roberto J.; Anderson, Jay; Bradley, Larry; Sharon, Keren; Vikaeus, Anton; McCandliss, Stephan; Bradac, Maruša; Rigby, Jane; Frye, Brenda; Toft, Sune; Strait, Victoria; Trenti, Michele; Sharma, Soniya; Andrade-Santos, Felipe; Broadhurst, Tom (2023)
  • Binary Black Holes, Gas Sloshing, and Cold Fronts in the X-Ray Halo Hosting 4C+37.11 
    Andrade-Santos, Felipe; Bogdán, Ákos; Romani, Roger W.; Forman, William R.; Jones, Christine; Murray, Stephen S.; Taylor, Greg B.; Zavala, Robert T. (2016)
    We analyzed deep Chandra ACIS-I exposures of the cluster-scale X-ray halo surrounding the radio source 4C+37.11. This remarkable system hosts the closest resolved pair of super-massive black holes and an exceptionally ...
  • The case for electron re-acceleration at galaxy cluster shocks 
    van Weeren, Reinout J.; Andrade-Santos, Felipe; Dawson, William A.; Golovich, Nathan; Lal, Dharam V.; Kang, Hyesung; Ryu, Dongsu; Brìggen, Marcus; Ogrean, Georgiana A.; Forman, William R.; Jones, Christine; Placco, Vinicius M.; Santucci, Rafael M.; Wittman, David; Jee, M. James; Kraft, Ralph P.; Sobral, David; Stroe, Andra; Fogarty, Kevin (2017)
    On the largest scales, the Universe consists of voids and filaments making up the cosmic web. Galaxy clusters are located at the knots in this web, at the intersection of filaments. Clusters grow through accretion from ...
  • Chandra and Xmm-Newton Observations of the Bimodal Planck SZ-Detected Cluster Plckg345.40- 39.34 (A3716) with High and Low Entropy Subcluster Cores 
    Andrade-Santos, Felipe; Jones, Christine; Forman, William R.; Murray, Stephen S.; Kraft, Ralph P.; Vikhlinin, Alexey A.; van Weeren, Reinout J.; Nulsen, Paul E. J.; David, Laurence P.; Dawson, William A.; Arnaud, Monique; Pointecouteau, Etienne; Pratt, Gabriel W.; Melin, Jean-Baptiste (2015)
    We present results from Chandra, XMM-Newton, and ROSAT observations of the Planck SZ-detected cluster A3716 (PLCKG345.40-39.34-G345). We show that G345 is, in fact, two subclusters separated on the sky by 400 kpc. We measure ...
  • Chandra Observations of the Spectacular A3411-12 Merger Event 
    Andrade-Santos, Felipe; van Weeren, Reinout J.; Di Gennaro, Gabriella; Wittman, David; Ryu, Dongsu; Vir Lal, Dharam; Placco, Vinicius M.; Fogarty, Kevin; Jee, M. James; Stroe, Andra; Sobral, David; Forman, William R.; Jones, Christine; Kraft, Ralph P.; Murray, Stephen S.; Brüggen, Marcus; Kang, Hyesung; Santucci, Rafael; Golovich, Nathan; Dawson, William (2019)
    We present deep Chandra observations of A3411-12, a remarkable merging cluster that hosts the most compelling evidence for electron reacceleration at cluster shocks to date. Using the {Y}<SUB>{{X</SUB>}}{--}M scaling ...
  • Comparing different mass estimators for a large subsample of the Planck-ESZ clusters 
    Lovisari, Lorenzo; Ettori, S.; Sereno, M.; Schellenberger, Gerrit; Forman, William R.; Andrade-Santos, Felipe; Jones, C. (2020)
    Context. Total mass is arguably the most fundamental property for cosmological studies with galaxy clusters. The individual cluster masses can be obtained with different methods, each with its own biases and limitations. ...
  • Constraining merging galaxy clusters with X-ray and lensing simulations and observations: the case of Abell 2146 
    Chadayammuri, Urmila; ZuHone, John; Nulsen, Paul; Nagai, Daisuke; Felix, Sharon; Andrade-Santos, Felipe; King, Lindsay; Russell, Helen (2022)
    Galaxy cluster mergers are a powerful laboratory for testing cosmological and astrophysical models. However, interpreting individual merging clusters depends crucially on their merger configuration, defined by the masses, ...
  • Dark Matter Subhalos and the X-Ray Morphology of the Coma Cluster 
    Andrade-Santos, Felipe; Nulsen, Paul E. J.; Kraft, Ralph P.; Forman, William R.; Jones, Christine; Churazov, Eugene; Vikhlinin, Alexey A. (2013)
    Structure formation models predict that clusters of galaxies contain numerous massive subhalos. The gravity of a subhalo in a cluster compresses the surrounding intracluster gas and enhances its X-ray emission. We present ...
  • Detection of a Star-forming Galaxy in the Center of a Low-mass Galaxy Cluster 
    Bogdán, Ákos; Lovisari, Lorenzo; Kovács, Orsolya E.; Andrade-Santos, Felipe; Jones, Christine; Forman, William R.; Kraft, Ralph P. (2018)
    Brightest Cluster Galaxies (BCGs) residing in the centers of galaxy clusters are typically quenched giant ellipticals. A recent study hinted that star-forming galaxies with large disks, so-called superluminous spirals and ...
  • Discovery of a Premerger Shock in an Intercluster Filament in Abell 98 
    Sarkar, Arnab; Randall, Scott; Su, Yuanyuan; Alvarez, Gabriella E.; Sarazin, Craig; Nulsen, Paul; Blanton, Elizabeth; Forman, William; Jones, Christine; Bulbul, Esra; Zuhone, John; Andrade-Santos, Felipe; Johnson, Ryan E.; Chakraborty, Priyanka (2022)
    We report the first unambiguous detection of an axial merger shock in the early-stage merging cluster Abell 98 using deep (227 ks) Chandra observations. The shock is about 420 kpc south from the northern subcluster of Abell ...
  • The discovery of radio halos in the frontier fields clusters Abell S1063 and Abell 370 
    Xie, C.; van Weeren, Reinout J.; Lovisari, L.; Andrade-Santos, Felipe; Botteon, A.; Brüggen, M.; Bulbul, Esra; Churazov, E.; Clarke, T. E.; Forman, William R.; Intema, H. T.; Jones, C.; Kraft, Ralph P.; Lal, D. V.; Mroczkowski, T.; Zitrin, A. (2020)
    Context. Massive merging galaxy clusters often host diffuse megaparsec- scale radio synchrotron emission. This emission originates from relativistic electrons in the ionized intracluster medium. An important question is ...
  • The Double Galaxy Cluster A2465. III. X-Ray and Weak-lensing Observations 
    Wegner, Gary A.; Umetsu, Keiichi; Molnar, Sandor M.; Nonino, Mario; Medezinski, Elinor; Andrade-Santos, Felipe; Bogdan, Akos; Lovisari, Lorenzo; Forman, William R.; Jones, Christine (2017)
    We report Chandra X-ray observations and optical weak-lensing measurements from Subaru/Suprime-Cam images of the double galaxy cluster A2465 (z = 0.245). The X-ray brightness data are fit to a ß model to obtain the radial ...
  • A double-peaked Lyman-a emitter with a stronger blue peak multiply imaged by the galaxy cluster RXC J0018.5+1626 
    Furtak, Lukas J.; Plat, Adèle; Zitrin, Adi; Topping, Micheal W.; Stark, Daniel P.; Strait, Victoria; Charlot, Stéphane; Coe, Dan; Andrade-Santos, Felipe; Bradac, Maruša; Bradley, Larry; Lemaux, Brian C.; Sharon, Keren (2022)
    We report the discovery of a double-peaked Lyman-a (Ly a) emitter (LAE) at z = 3.2177 ± 0.0001 in VLT/MUSE data. The galaxy is strongly lensed by the galaxy cluster RXC J0018.5+1626 recently observed in the RELICS survey, ...
  • Erratum: The case for electron re-acceleration at galaxy cluster shocks 
    van Weeren, Reinout J.; Andrade-Santos, Felipe; Dawson, William A.; Golovich, Nathan; Lal, Dharam V.; Kang, Hyesung; Ryu, Dongsu; Brüggen, Marcus; Ogrean, Georgiana A.; Forman, William R.; Jones, Christine; Placco, Vinicius M.; Santucci, Rafael M.; Wittman, David; Jee, M. James; Kraft, Ralph P.; Sobral, David; Stroe, Andra; Fogarty, Kevin (2017)
    Not Available
  • Evidence for a Merger-induced Shock Wave in ZwCl 0008.8+5215 with Chandra and Suzaku 
    Di Gennaro, Gabriella; van Weeren, Reinout J.; Andrade-Santos, Felipe; Akamatsu, H.; Randall, Scott W.; Forman, William R.; Kraft, Ralph P.; Brunetti, G.; Dawson, W. A.; Golovich, N.; Jones, Christine (2019)
    We present the results from new deep Chandra (~410 ks) and Suzaku (~180 ks) observations of the merging galaxy cluster ZwCl 0008.8+5215 (z = 0.104). Previous radio observations revealed the presence of a double radio relic ...
  • The Fraction of Cool-core Clusters in X-Ray versus SZ Samples Using Chandra Observations 
    Andrade-Santos, Felipe; Jones, Christine; Forman, William R.; Lovisari, Lorenzo; Vikhlinin, Alexey; van Weeren, Reinout J.; Murray, Stephen S.; Arnaud, Monique; Pratt, Gabriel W.; Démoclès, Jessica; Kraft, Ralph; Mazzotta, Pasquale; Böhringer, Hans; Chon, Gayoung; Giacintucci, Simona; Clarke, Tracy E.; Borgani, Stefano; David, Larry; Douspis, Marian; Pointecouteau, Etienne; Dahle, Håkon; Brown, Shea; Aghanim, Nabila; Rasia, Elena (2017)
    We derive and compare the fractions of cool-core clusters in the Planck Early Sunyaev-Zel dovich sample of 164 clusters with z=slant 0.35 and in a flux-limited X-ray sample of 100 clusters with z=slant 0.30, using Chandra ...
  • A highly magnified star at redshift 6.2 
    Welch, Brian; Coe, Dan; Diego, Jose M.; Zitrin, Adi; Zackrisson, Erik; Dimauro, Paola; Jiménez-Teja, Yolanda; Kelly, Patrick; Mahler, Guillaume; Oguri, Masamune; Timmes, F. X.; Windhorst, Rogier; Florian, Michael; de Mink, Selma E.; Avila, Roberto J.; Anderson, Jay; Bradley, Larry; Sharon, Keren; Vikaeus, Anton; McCandliss, Stephan; Bradac, Maruša; Rigby, Jane; Frye, Brenda; Toft, Sune; Strait, Victoria; Trenti, Michele; Sharma, Soniya; Andrade-Santos, Felipe; Broadhurst, Tom (2022)
    Galaxy clusters magnify background objects through strong gravitational lensing. Typical magnifications for lensed galaxies are factors of a few but can also be as high as tens or hundreds, stretching galaxies into giant ...
  • JWST/NIRCam Probes Young Star Clusters in the Reionization Era Sunrise Arc 
    Vanzella, Eros; Claeyssens, Adélaïde; Welch, Brian; Adamo, Angela; Coe, Dan; Diego, Jose M.; Mahler, Guillaume; Khullar, Gourav; Kokorev, Vasily; Oguri, Masamune; Ravindranath, Swara; Furtak, Lukas J.; Hsiao, Tiger Yu-Yang; Abdurro'uf; Mandelker, Nir; Brammer, Gabriel; Bradley, Larry D.; Bradac, Maruša; Conselice, Christopher J.; Dayal, Pratika; Nonino, Mario; Andrade-Santos, Felipe; Windhorst, Rogier A.; Pirzkal, Nor; Sharon, Keren; de Mink, S. E.; Fujimoto, Seiji; Zitrin, Adi; Eldridge, Jan J.; Norman, Colin (2023)
    Star cluster formation in the early universe and its contribution to reionization remains largely unconstrained to date. Here we present JWST/NIRCam imaging of the most highly magnified galaxy known at z ~ 6, the Sunrise ...
  • Probing the Hot X-Ray Gas in the Narrow-line Region of Mrk 3 
    Bogdán, Ákos; Kraft, Ralph P.; Evans, Daniel A.; Andrade-Santos, Felipe; Forman, William R. (2017)
    We study the prototypical Seyfert 2 galaxy, Markarian 3, based on imaging and high-resolution spectroscopy observations taken by Chandra. We construct a deconvolved X-ray image, which reveals the S-shaped morphology of the ...
  • Probing the Outskirts of the Early-Stage Galaxy Cluster Merger A1750 
    Bulbul, Esra; Randall, Scott W.; Bayliss, Matthew; Miller, Eric; Andrade-Santos, Felipe; Johnson, Ryan; Bautz, Mark; Blanton, Elizabeth L.; Forman, William R.; Jones, Christine; Paterno-Mahler, Rachel; Murray, Stephen S.; Sarazin, Craig L.; Smith, Randall K.; Ezer, Cemile (2016)
    We present results from recent Suzaku and Chandra X-ray and Multiple Mirrior Telescope optical observations of the strongly merging "double cluster" A1750 out to its virial radius, both along and perpendicular to a putative ...

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