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Title

Gamma-ray and radio properties of six pulsars detected by the fermi large area telescope

AuthorsWeltevrede, Patrick; Abdo, Aous A.; Ackermann, Markus; Ajello, Marco; Axelsson, Magnus; Baldini, Luca; Ballet, Jean; Barbiellini, Guido; Bastieri, Denis; Baughman, Brian M.; Bechtol, Keith; Johannesson, Gueolaugur; Johnson, A. S.; Johnson, Tyrel J.; Mazziotta, Mario Nicola; Michelson, Peter F.; Johnson, W. Neil; Venter, Christo; Mizuno, Takafumi; Tramacere, Andrea; Moiseev, Alex A.; Thorsett, Stephen E.; Monte, Claudia; Monzani, Maria Elena; Morselli, Aldo; Moskalenko, Igor V.; Murgia, Simona; Nolan, Pat L.; Berenji, Bijan; Watters, Kyle; Vilchez, Nicolás; Uchiyama, Yasunobu; Tibaldo, Luigi; Norris, Joel N.; Nuss, Eric; Ohsugi, Takashi; Omodei, Nicola; Orlando, Elena; Ormes, Jonathan F.; Paneque, David; Panetta, Jim H.; Parent, D.; Pelassa, Véronique; Torres, Diego F. ; Usher, Tracy L.; Vitale, Vincenzo; Winer, Brian L.; Bloom, Elliott D.; Pepe, Monica; Pesce-Rollins, Melissa; Piron, Frédéric; Porter, Troy A.; Rainò, Silvia; Riccardo, Rando; Brez, Alessandro; Ransom, Scott M.; Van Etten, Adam; Razzano, Massimiliano; Waite, Anthony P.; Rea, Nanda ; Wood, Kent S.; Reimer, Anita; Bonamente, Emanuele; Reimer, Olaf; Reposeur, Thierry; Caliandro, Giuseppe Andrea ; Rochester, Leon S.; Rodríguez, Ana Yaiza; Burnett, Thompson H.; Romani, Roger W.; Roth, Marshall; Brigida, Monica; Ryde, Felix; Sadrozinski, Hartmut F. W.; Ylinen, Tomi; Sánchez, David ; Tosti, Gino; Sander, Aaron; Borgland, Anders W.; Saz Parkinson, Pablo M.; Vasileiou, Vlasios; Sgrò, Carmelo; Siskind, Eric J.; Smith, David A.; Wang, Ping; Smith, Patrick D.; Spandre, Gloria; Kuss, M.; Paolo, Spinelli; Ziegler, Marcus; Stappers, Ben W.; Strickman, Mark Samuel; Lott, Benoit; Suson, Daniel Jeffrey; Bregeon, Jean; Tajima, Hiro; Takahashi, Hiromitsu; Buson, Sara; Camilo, Fernando; Tanaka, Takaaki; Thayer, Jana B.; Thayer, John Gregg; Theureau, Gilles; Bruel, Philippe; Cameron, Robert A.; Thompson, David J.; Keith, Mike; Caraveo, Patrizia A.; Johnston, Simon; Casandjian, Jean-Marc; Cecchi, Claudia; Çelik, Özlem; Charles, Eric; Chekhtman, Alexandre; Cheung, C. C. Teddy; Chiang, James; Lovellette, Michael N.; Lande, Joshua; Kerr, Matthew; Kamae, Tuneyoshi; Ciprini, Stefano; Claus, Rachel; Cognard, Ismaël; Cohen-Tanugi, Johan; Cominsky, Lynn R.; Conrad, Jan; Cutini, Sara; Dermer, Charles Dennison; Desvignes, Gregory; Angelis, Alessandro de; Katagiri, Hideaki; Knödlseder, Jürgen; Latronico, Luca; Lubrano, Pasquale; Luca, Andrea de; Palma, Francesco de; Digel, Seth W.; Dormody, Michael; Couto e Silva, Eduardo do; Drell, Persis S.; Dubois, Richard; Kataoka, Jun; Dumora, Denis; Kocian, Martin L.; Farnier, Christian; Lemoine-Goumard, Marianne; Favuzzi, Cecilia; Lyne, Andrew G.; Fegan, Stephen, J.; Focke, Warren B.; Fortin, Pascal; Frailis, Marco; Meurer, Christine; Freire, Paulo C. C.; Fusco, Piergiorgio; McEnery, Julie E.; Gargano, Fabio; Gasparrini, Dario; Longo, Francesco; Gehrels, Neil; Germani, Stefano; Makeev, Andrey; Giavitto, Gianluca; Kawai, Nobuyuki; Giebels, Berrie; Giglietto, Nicola; Francesco, Giordano; Kramer, Michael; Glanzman, Tom; Godfrey, Gary; Grenier, Isabelle A.; Loparco, Francesco; Grondin, Marie-Hélène; Grove, J. Eric; Wang, Na; Guillemot, Lucas; Manchester, Richard N.; Guiriec, Sylvain; Hanabata, Yoshitaka; Bellazzini, Ronaldo; Harding, Alice K.; Hays, Elizabeth; Hobbs, George; Hughes, Richard E.; McGlynn, Sinead; Mitthumsiri, Warit; Jackson, Miranda S.
Keywordspulsars: individual (PSRs J0631+1036, J0659+1414, J0742-2822, J1420-6048, J1509-5850, J1718-3825)
Issue DateApr-2010
PublisherAmerican Astronomical Society
Institute of Physics Publishing
CitationAstrophysical Journal 708 (2) : 1426 (2010)
AbstractWe report the detection of pulsed γ-rays for PSRs J0631+1036, J0659+1414, J0742-2822, J1420-6048, J1509-5850, and J1718-3825 using the Large Area Telescope on board the Fermi Gamma-ray Space Telescope (formerly known as GLAST). Although these six pulsars are diverse in terms of their spin parameters, they share an important feature: their γ-ray light curves are (at least given the current count statistics) single peaked. For two pulsars, there are hints for a double-peaked structure in the light curves. The shapes of the observed light curves of this group of pulsars are discussed in the light of models for which the emission originates from high up in the magnetosphere. The observed phases of the γ-ray light curves are, in general, consistent with those predicted by high-altitude models, although we speculate that the γ-ray emission of PSR J0659+1414, possibly featuring the softest spectrum of all Fermi pulsars coupled with a very low efficiency, arises from relatively low down in the magnetosphere. High-quality radio polarization data are available showing that all but one have a high degree of linear polarization. This allows us to place some constraints on the viewing geometry and aids the comparison of the γ-ray light curves with high-energy beam models.
Publisher version (URL)http://dx.doi.org/10.1088/0004-637X/708/2/1426
URIhttp://hdl.handle.net/10261/38125
DOI10.1088/0004-637X/708/2/1426
ISSN1538-4357
E-ISSN0004-637X
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