Evolution of star formation in the UKIDSS Ultra Deep Survey field – I. Luminosity functions and cosmic star formation rate out to z = 1.6

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 433:1 (2013) 796-811

Authors:

Alyssa B Drake, Chris Simpson, Chris A Collins, Phil A James, Ivan K Baldry, Masami Ouchi, Matt J Jarvis, David G Bonfield, Yoshiaki Ono, Philip N Best, Gavin B Dalton, James S Dunlop, Ross J McLure, Daniel JB Smith

A 325-MHz GMRT survey of the Herschel-ATLAS/GAMA fields

ArXiv 1307.459 (2013)

Authors:

T Mauch, H-R Klöckner, S Rawlings, MJ Jarvis, MJ Hardcastle, D Obreschkow, DJ Saikia, MA Thompson

Abstract:

We describe a 325-MHz survey, undertaken with the Giant Metrewave Radio Telescope (GMRT), which covers a large part of the three equatorial fields at 9, 12 and 14.5 h of right ascension from the Herschel-Astrophysical Terahertz Large Area Survey (H-ATLAS) in the area also covered by the Galaxy And Mass Assembly survey (GAMA). The full dataset, after some observed pointings were removed during the data reduction process, comprises 212 GMRT pointings covering ~90 deg^2 of sky. We have imaged and catalogued the data using a pipeline that automates the process of flagging, calibration, self-calibration and source detection for each of the survey pointings. The resulting images have resolutions of between 14 and 24 arcsec and minimum rms noise (away from bright sources) of ~1 mJy/beam, and the catalogue contains 5263 sources brighter than 5 sigma. We investigate the spectral indices of GMRT sources which are also detected at 1.4 GHz and find them to agree broadly with previously published results; there is no evidence for any flattening of the radio spectral index below S_1.4=10 mJy. This work adds to the large amount of available optical and infrared data in the H-ATLAS equatorial fields and will facilitate further study of the low-frequency radio properties of star formation and AGN activity in galaxies out to z~1.

NEARBY PLANETARY SYSTEMS AS LENSES DURING PREDICTED CLOSE PASSAGES TO BACKGROUND STARS

The Astrophysical Journal American Astronomical Society 771:2 (2013) 79

Authors:

Rosanne Di Stefano, James Matthews, Sébastien Lépine

CTA contributions to the 33rd International Cosmic Ray Conference (ICRC2013)

ArXiv 1307.2232 (2013)

Authors:

The CTA Consortium, O Abril, BS Acharya, M Actis, G Agnetta, JA Aguilar, F Aharonian, M Ajello, A Akhperjanian, M Alcubierre, J Aleksic, R Alfaro, E Aliu, AJ Allafort, D Allan, I Allekotte, R Aloisio, E Amato, G Ambrosi, M Ambrosio, J Anderson, EO Angüner, LA Antonelli, V Antonuccio, M Antonucci, P Antoranz, A Aravantinos, A Argan, T Arlen, C Aramo, T Armstrong, H Arnaldi, L Arrabito, K Asano, T Ashton, HG Asorey, T Aune, Y Awane, H Baba, A Babic, N Baby, J Bähr, A Bais, C Baixeras, S Bajtlik, M Balbo, D Balis, C Balkowski, J Ballet, A Bamba, R Bandiera, A Barber, C Barbier, M Barceló, A Barnacka, J Barnstedt, U Barres de Almeida, JA Barrio, A Basili, S Basso, D Bastieri, C Bauer, A Baushev, U Becciani, J Becerra, J Becerra, Y Becherini, KC Bechtol, J Becker Tjus, V Beckmann, W Bednarek, B Behera, M Belluso, W Benbow, J Berdugo, D Berge, K Berger, F Bernard, T Bernardino, K Bernlöhr, B Bertucci, N Bhat, S Bhattacharyya, B Biasuzzi, C Bigongiari, A Biland, S Billotta, T Bird, E Birsin, E Bissaldi, J Biteau, M Bitossi, S Blake, O Blanch Bigas, P Blasi, A Bobkov, V Boccone, M Böttcher, L Bogacz, J Bogart, M Bogdan, C Boisson, J Boix Gargallo, J Bolmont, G Bonanno, A Bonardi, T Bonev, P Bonifacio, G Bonnoli, P Bordas, A Borgland, J Borkowski, R Bose, O Botner, A Bottani, L Bouchet, M Bourgeat, C Boutonnet, A Bouvier, S Brau-Nogué, I Braun, T Bretz, M Briggs, M Brigida, T Bringmann, R Britto, P Brook, P Brun, L Brunetti, P Bruno, N Bucciantini, T Buanes, J Buckley, R Bühler, V Bugaev, A Bulgarelli, T Bulik, G Busetto, S Buson, K Byrum, M Cailles, R Cameron, J Camprecios, R Canestrari, S Cantu, M Capalbi, P Caraveo, E Carmona, A Carosi, R Carosi, J Carr, J Carter, P-H Carton, R Caruso, S Casanova, E Cascone, M Casiraghi, A Castellina, O Catalano, S Cavazzani, S Cazaux, P Cerchiara, M Cerruti, E Chabanne, P Chadwick, C Champion, R Chaves, P Cheimets, A Chen, J Chiang, L Chiappetti, M Chikawa, VR Chitnis, F Chollet, A Christof, J Chudoba, M Cieślar, A Cillis, M Cilmo, A Codino, J Cohen-Tanugi, S Colafrancesco, P Colin, J Colome, S Colonges, M Compin, P Conconi, V Conforti, V Connaughton, J Conrad, JL Contreras, P Coppi, J Coridian, P Corona, D Corti, J Cortina, L Cossio, A Costa, H Costantini, G Cotter, B Courty, S Couturier, S Covino, G Crimi, SJ Criswell, J Croston, G Cusumano, M Dafonseca, O Dale, M Daniel, J Darling, I Davids, F Dazzi, A de Angelis, V De Caprio, F De Frondat, EM de Gouveia Dal Pino, I de la Calle, GA De La Vega, R de los Reyes Lopez, B de Lotto, A De Luca, M de Naurois, Y de Oliveira, E de Oña Wilhelmi, F de Palma, V de Souza, G Decerprit, G Decock, C Deil, E Delagnes, G Deleglise, C Delgado, D della Volpe, P Demange, G Depaola, A Dettlaff, T Di Girolamo, C Di Giulio, A Di Paola, F Di Pierro, G di Sciascio, C Díaz, J Dick, R Dickherber, H Dickinson, V Diez-Blanco, S Digel, D Dimitrov, G Disset, A Djannati-Ataï, M Doert, M Dohmke, W Domainko, D Dominis Prester, A Donat, D Dorner, M Doro, J-L Dournaux, G Drake, D Dravins, L Drury, F Dubois, R Dubois, G Dubus, C Dufour, D Dumas, J Dumm, D Durand, V Dwarkadas, J Dyks, M Dyrda, J Ebr, E Edy, K Egberts, P Eger, S Einecke, C Eleftheriadis, S Elles, D Emmanoulopoulos, D Engelhaupt, R Enomoto, J-P Ernenwein, M Errando, A Etchegoyen, PA Evans, A Falcone, A Faltenbacher, D Fantinel, K Farakos, C Farnier, E Farrell, G Fasola, BW Favill, E Fede, S Federici, S Fegan, F Feinstein, D Ferenc, P Ferrando, M Fesquet, P Fetfatzis, A Fiasson, E Fillin-Martino, D Fink, C Finley, JP Finley, M Fiorini, R Firpo Curcoll, E Flandrini, H Fleischhack, H Flores, D Florin, W Focke, C Föhr, E Fokitis, L Font, G Fontaine, M Fornasa, A Förster, L Fortson, N Fouque, A Franckowiak, FJ Franco, A Frankowski, C Fransson, GW Fraser, R Frei, L Fresnillo, C Fruck, D Fugazza, Y Fujita, Y Fukazawa, Y Fukui, S Funk, W Gäbele, S Gabici, R Gabriele, A Gadola, N Galante, D Gall, Y Gallant, J Gámez-García, M Garczarczyk, B García, R Garcia López, D Gardiol, F Gargano, D Garrido, L Garrido, D Gascon, M Gaug, J Gaweda, L Gebremedhin, N Geffroy, L Gerard, A Ghedina, M Ghigo, P Ghislain, E Giannakaki, F Gianotti, S Giarrusso, G Giavitto, B Giebels, N Giglietto, V Gika, M Giomi, P Giommi, F Giordano, N Girard, E Giro, A Giuliani, T Glanzman, J-F Glicenstein, N Godinovic, V Golev, M Gomez Berisso, J Gómez-Ortega, MM Gonzalez, A González, F González, A González Muñoz, KS Gothe, T Grabarczyk, M Gougerot, R Graciani, P Grandi, F Grañena, J Granot, G Grasseau, R Gredig, A Green, T Greenshaw, T Grégoire, A Grillo, O Grimm, M-H Grondin, J Grube, M Grudzinska, V Gruev, S Grünewald, J Grygorczuk, V Guarino, S Gunji, G Gyuk, D Hadasch, A Hagedorn, R Hagiwara, J Hahn, N Hakansson, A Hallgren, N Hamer Heras, S Hara, MJ Hardcastle, D Harezlak, J Harris, T Hassan, K Hatanaka, T Haubold, A Haupt, T Hayakawa, M Hayashida, R Heller, F Henault, G Henri, G Hermann, R Hermel, A Herrero, O Hervet, N Hidaka, JA Hinton, K Hirotani, D Hoffmann, W Hofmann, P Hofverberg, J Holder, JR Hörandel, D Horns, D Horville, J Houles, M Hrabovsky, D Hrupec, H Huan, B Huber, J-M Huet, G Hughes, TB Humensky, J Huovelin, J-F Huppert, A Ibarra, D Ikawa, JM Illa, D Impiombato, S Incorvaia, S Inoue, Y Inoue, F Iocco, K Ioka, GL Israel, C Jablonski, A Jacholkowska, J Jacquemier, M Jamrozy, M Janiak, P Jean, C Jeanney, JJ Jimenez, T Jogler, C Johnson, T Johnson, L Journet, C Juffroy, I Jung, P Kaaret, S Kabuki, M Kagaya, J Kakuwa, C Kalkuhl, R Kankanyan, A Karastergiou, K Kärcher, M Karczewski, S Karkar, J Kasperek, D Kastana, H Katagiri, J Kataoka, K Katarzyński, U Katz, N Kawanaka, D Kazanas, N Kelley-Hoskins, B Kellner-Leidel, H Kelly, E Kendziorra, B Khélifi, DB Kieda, T Kifune, T Kihm, T Kishimoto, K Kitamoto, W Kluźniak, C Knapic, J Knapp, J Knödlseder, F Köck, J Kocot, K Kodani, J-H Köhne, K Kohri, K Kokkotas, D Kolitzus, N Komin, I Kominis, Y Konno, H Köppel, P Korohoda, K Kosack, G Koss, R Kossakowski, R Koul, G Kowal, S Koyama, J Kozioł, T Krähenbühl, J Krause, H Krawzcynski, F Krennrich, A Krepps, A Kretzschmann, R Krobot, P Krueger, H Kubo, VA Kudryavtsev, J Kushida, A Kuznetsov, A La Barbera, N La Palombara, V La Parola, G La Rosa, K Lacombe, G Lamanna, J Lande, D Languignon, JS Lapington, P Laporte, B Laurent, C Lavalley, T Le Flour, A Le Padellec, S-H Lee, WH Lee, J-P Lefèvre, H Leich, MA Leigui de Oliveira, D Lelas, J-P Lenain, R Leoni, DJ Leopold, T Lerch, L Lessio, G Leto, B Lieunard, S Lieunard, R Lindemann, E Lindfors, A Liolios, A Lipniacka, H Lockart, T Lohse, S Lombardi, F Longo, A Lopatin, M Lopez, R López-Coto, A López-Oramas, A Lorca, E Lorenz, F Louis, P Lubinski, F Lucarelli, H Lüdecke, J Ludwin, PL Luque-Escamilla, W Lustermann, O Luz, E Lyard, MC Maccarone, TJ Maccarone, GM Madejski, A Madhavan, M Mahabir, G Maier, P Majumdar, G Malaguti, G Malaspina, S Maltezos, A Manalaysay, A Mancilla, D Mandat, G Maneva, A Mangano, P Manigot, K Mannheim, I Manthos, N Maragos, A Marcowith, M Mariotti, M Marisaldi, S Markoff, A Marszałek, C Martens, J Martí, J-M Martin, P Martin, G Martínez, F Martínez, M Martínez, F Massaro, A Masserot, A Mastichiadis, A Mathieu, H Matsumoto, F Mattana, S Mattiazzo, A Maurer, G Maurin, S Maxfield, J Maya, D Mazin, L Mc Comb, A McCann, N McCubbin, I McHardy, R McKay, K Meagher, C Medina, C Melioli, D Melkumyan, D Melo, S Mereghetti, P Mertsch, M Meucci, M Meyer, J Michałowski, P Micolon, A Mihailidis, T Mineo, M Minuti, N Mirabal, F Mirabel, JM Miranda, R Mirzoyan, A Mistò, T Mizuno, B Moal, R Moderski, I Mognet, E Molinari, M Molinaro, T Montaruli, C Monte, I Monteiro, P Moore, A Moralejo Olaizola, M Mordalska, C Morello, K Mori, G Morlino, A Morselli, F Mottez, Y Moudden, E Moulin, I Mrusek, R Mukherjee, P Munar-Adrover, H Muraishi, K Murase, A StJ Murphy, S Nagataki, T Naito, D Nakajima, T Nakamori, K Nakayama, C Naumann, D Naumann, M Naumann-Godo, P Nayman, D Nedbal, D Neise, L Nellen, A Neronov, V Neustroev, N Neyroud, L Nicastro, J Nicolau-Kukliński, A Niedźwiecki, J Niemiec, D Nieto, A Nikolaidis, K Nishijima, K-I Nishikawa, K Noda, S Nolan, R Northrop, D Nosek, N Nowak, A Nozato, L Oakes, PT O'Brien, Y Ohira, M Ohishi, S Ohm, H Ohoka, T Okuda, A Okumura, J-F Olive, RA Ong, R Orito, M Orr, JP Osborne, M Ostrowski, LA Otero, N Otte, E Ovcharov, I Oya, A Ozieblo, L Padilla, I Pagano, S Paiano, D Paillot, A Paizis, S Palanque, M Palatka, J Pallota, M Palatiello, K Panagiotidis, J-L Panazol, D Paneque, M Panter, MR Panzera, R Paoletti, A Papayannis, G Papyan, JM Paredes, G Pareschi, J-M Parraud, D Parsons, G Pauletta, M Paz Arribas, M Pech, G Pedaletti, V Pelassa, D Pelat, MDC Perez, M Persic, P-O Petrucci, B Peyaud, A Pichel, D Pieloth, E Pierre, S Pita, G Pivato, F Pizzolato, M Platino, Ł Platos, R Platzer, S Podkladkin, L Pogosyan, M Pohl, G Pojmanski, JD Ponz, W Potter, J Poutanen, E Prandini, J Prast, R Preece, F Profeti, H Prokoph, M Prouza, M Proyetti, I Puerto-Giménez, G Pühlhofer, I Puljak, M Punch, R Pyzioł, EJ Quel, J Quesada, J Quinn, A Quirrenbach, E Racero, S Rainò, PJ Rajda, M Rameez, P Ramon, R Rando, RC Rannot, M Rataj, M Raue, D Ravignani, P Reardon, O Reimann, A Reimer, O Reimer, K Reitberger, M Renaud, S Renner, B Reville, W Rhode, M Ribó, M Ribordy, G Richards, MG Richer, J Rico, J Ridky, F Rieger, P Ringegni, J Ripken, PR Ristori, A Rivière, S Rivoire, L Rob, G Rodeghiero, U Roeser, R Rohlfs, G Rojas, P Romano, W Romaszkan, GE Romero, SR Rosen, S Rosier Lees, D Ross, G Rouaix, J Rousselle, S Rousselle, AC Rovero, F Roy, S Royer, B Rudak, C Rulten, M Rupiński, F Russo, F Ryde, O Saavedra, B Sacco, EO Saemann, A Saggion, V Sahakian, K Saito, T Saito, Y Saito, N Sakaki, R Sakonaka, A Salini, F Sanchez, M Sanchez-Conde, A Sandoval, H Sandaker, E Sant'Ambrogio, A Santangelo, EM Santos, A Sanuy, L Sapozhnikov, S Sarkar, N Sartore, H Sasaki, K Satalecka, M Sawada, V Scalzotto, V Scapin, M Scarcioffolo, J Schafer, T Schanz, S Schlenstedt, R Schlickeiser, T Schmidt, J Schmoll, P Schovanek, M Schroedter, A Schubert, C Schultz, J Schultze, A Schulz, K Schure, F Schussler, T Schwab, U Schwanke, J Schwarz, S Schwarzburg, T Schweizer, S Schwemmer, U Schwendicke, C Schwerdt, A Segreto, J-H Seiradakis, GH Sembroski, M Servillat, K Seweryn, M Sharma, M Shayduk, RC Shellard, J Shi, T Shibata, A Shibuya, S Shore, E Shum, E Sideras-Haddad, L Sidoli, M Sidz, J Sieiro, M Sikora, J Silk, A Sillanpää, BB Singh, G Sironi, J Sitarek, C Skole, R Smareglia, A Smith, D Smith, J Smith, N Smith, D Sobczyńska, H Sol, G Sottile, M Sowiński, F Spanier, D Spiga, S Spyrou, V Stamatescu, A Stamerra, RLC Starling, Ł Stawarz, R Steenkamp, C Stegmann, S Steiner, C Stella, N Stergioulas, R Sternberger, M Sterzel, F Stinzing, M Stodulski, Th Stolarczyk, U Straumann, E Strazzeri, L Stringhetti, A Suarez, M Suchenek, R Sugawara, K-H Sulanke, S Sun, AD Supanitsky, T Suric, P Sutcliffe, JM Sykes, M Szanecki, T Szepieniec, A Szostek, G Tagliaferri, H Tajima, H Takahashi, K Takahashi, L Takalo, H Takami, G Talbot, J Tammi, M Tanaka, S Tanaka, J Tasan, M Tavani, J-P Tavernet, LA Tejedor, I Telezhinsky, P Temnikov, C Tenzer, Y Terada, R Terrier, M Teshima, V Testa, D Tezier, J Thayer, D Thuermann, L Tibaldo, L Tibaldo, O Tibolla, A Tiengo, MC Timpanaro, M Tluczykont, CJ Todero Peixoto, F Tokanai, M Tokarz, K Toma, A Tonachini, K Torii, M Tornikoski, DF Torres, M Torres, S Toscano, G Toso, G Tosti, T Totani, F Toussenel, G Tovmassian, P Travnicek, A Treves, M Trifoglio, I Troyano, K Tsinganos, H Ueno, G Umana, K Umehara, SS Upadhya, T Usher, M Uslenghi, F Vagnetti, JF Valdes-Galicia, P Vallania, G Vallejo, W van Driel, C van Eldik, J Vandenbrouke, J Vanderwalt, H Vankov, G Vasileiadis, V Vassiliev, D Veberic, I Vegas, S Vercellone, S Vergani, V Verzi, GP Vettolani, C Veyssière, JP Vialle, A Viana, M Videla, C Vigorito, P Vincent, S Vincent, J Vink, N Vlahakis, L Vlahos, P Vogler, V Voisin, A Vollhardt, H-P von Gunten, S Vorobiov, C Vuerli, V Waegebaert, R Wagner, RG Wagner, S Wagner, SP Wakely, R Walter, T Walther, K Warda, RS Warwick, P Wawer, R Wawrzaszek, N Webb, P Wegner, A Weinstein, Q Weitzel, R Welsing, M Werner, H Wetteskind, RJ White, A Wierzcholska, S Wiesand, A Wilhelm, MI Wilkinson, DA Williams, R Willingale, M Winde, K Winiarski, R Wischnewski, Ł Wiśniewski, P Wojcik, M Wood, A Wörnlein, Q Xiong, KK Yadav, H Yamamoto, T Yamamoto, R Yamazaki, S Yanagita, JM Yebras, D Yelos, A Yoshida, T Yoshida, T Yoshikoshi, P Yu, V Zabalza, M Zacharias, A Zajczyk, L Zampieri, R Zanin, A Zdziarski, A Zech, A Zhao, X Zhou, K Zietara, J Ziolkowski, P Ziółkowski, V Zitelli, C Zurbach, P Zychowski

Abstract:

Compilation of CTA contributions to the proceedings of the 33rd International Cosmic Ray Conference (ICRC2013), which took place in 2-9 July, 2013, in Rio de Janeiro, Brazil

On the detectability of extragalactic fast radio transients

ArXiv 1307.12 (2013)

Authors:

DR Lorimer, A Karastergiou, MA McLaughlin, S Johnston

Abstract:

Recent discoveries of highly dispersed millisecond radio bursts by Thornton et al. in a survey with the Parkes radio telescope at 1.4 GHz point towards an emerging population of sources at cosmological distances whose origin is currently unclear. Here we demonstrate that the scattering effects at lower radio frequencies are less than previously thought, and that the bursts could be detectable at redshifts out to about $z=0.5$ in surveys below 1 GHz. Using a source model in which the bursts are standard candles with bolometric luminosities $\sim 8 \times 10^{44}$ ergs/s uniformly distributed per unit comoving volume, we derive an expression for the observed peak flux density as a function of redshift and use this, together with the rate estimates found by Thornton et al. to find an empirical relationship between event rate and redshift probed by a given survey. The non-detection of any such events in Arecibo 1.4 GHz survey data by Deneva et al., and the Allen Telescope Array survey by Simeon et al. is consistent with our model. Ongoing surveys in the 1--2 GHz band should result in further discoveries. At lower frequencies, assuming a typical radio spectral index $\alpha=-1.4$, the predicted peak flux densities are 10s of Jy. As a result, surveys of such a population with current facilities would not necessarily be sensitivity limited and could be carried out with small arrays to maximize the sky coverage. We predict that sources may already be present in 350-MHz surveys with the Green Bank Telescope. Surveys at 150 MHz with 30 deg$^2$ fields of view could detect one source per hour above 30 Jy.