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Title: Discovery of Pulsed γ-rays from PSR J0034-0534 with the Fermi Large Area Telescope: A Case for Co-located Radio and γ-ray Emission Regions

Abstract

Millisecond pulsars (MSPs) have been firmly established as a class of γ-ray emitters via the detection of pulsations above 0.1 GeV from eight MSPs by the Fermi Large Area Telescope (LAT). Here, using 13 months of LAT data, significant γ-ray pulsations at the radio period have been detected from the MSP PSR J0034–0534, making it the ninth clear MSP detection by the LAT. The γ-ray light curve shows two peaks separated by 0.274 ± 0.015 in phase which are very nearly aligned with the radio peaks, a phenomenon seen only in the Crab pulsar until now. The ≥0.1 GeV spectrum of this pulsar is well fit by an exponentially cutoff power law with a cutoff energy of 1.8 ± 0.6 ± 0.1 GeV and a photon index of 1.5 ± 0.2 ± 0.1, first errors are statistical and second are systematic. Lastly, the near-alignment of the radio and γ-ray peaks strongly suggests that the radio and γ-ray emission regions are co-located and both are the result of caustic formation.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; more »; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; « less
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE; National Aeronautics and Space Administration (NASA)
Contributing Org.:
The Fermi LAT Collaboration
OSTI Identifier:
1357568
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal
Additional Journal Information:
Journal Volume: 712; Journal Issue: 2; Journal ID: ISSN 0004-637X
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; gamma rays; pulsars; pulsars individual (PSR J0034–0534)

Citation Formats

Abdo, A. A., Ackermann, M., Ajello, M., Allafort, A., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R. D., Bloom, E. D., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Buson, S., Caliandro, G. A., Cameron, R. A., Camilo, F., Caraveo, P. A., Carrigan, S., Casandjian, J. M., Cecchi, C., Çelik, Ö., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen-Tanugi, J., Conrad, J., Corbet, R., DeCesar, M. E., Dermer, C. D., Desvignes, G., de Angelis, A., de Palma, F., Digel, S. W., Dormody, M., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Fegan, S. J., Focke, W. B., Frailis, M., Freire, P. C. C., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giavitto, G., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Grenier, I. A., Grondin, M. -H., Grove, J. E., Guillemot, L., Guiriec, S., Hadasch, D., Harding, A. K., Hays, E., Hobbs, G., Horan, D., Hughes, R. E., Jóhannesson, G., Johnson, A. S., Johnson, T. J., Johnson, W. N., Johnston, S., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Knödlseder, J., Kramer, M., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Garde, M. Llena, Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Lyne, A. G., Makeev, A., Manchester, R. N., Marelli, M., Mazziotta, M. N., McConville, W., McEnery, J. E., McGlynn, S., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nolan, P. L., Norris, J. P., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Pierbattista, M., Piron, F., Porter, T. A., Rainò, S., Rando, R., Ransom, S. M., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Ripken, J., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sadrozinski, H. F. -W., Sander, A., Parkinson, P. M. Saz, Scargle, J. D., Sgrò, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stappers, B. W., Starck, J. -L., Strickman, M. S., Suson, D. J., Takahashi, H., Tanaka, T., Thayer, J. B., Thayer, J. G., Theureau, G., Thompson, D. J., Thorsett, S. E., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Usher, T. L., Van Etten, A., Vasileiou, V., Venter, C., Vilchez, N., Vitale, V., Waite, A. P., Wallace, E., Wang, P., Weltevrede, P., Winer, B. L., Wood, K. S., Ylinen, T., and Ziegler, M. Discovery of Pulsed γ-rays from PSR J0034-0534 with the Fermi Large Area Telescope: A Case for Co-located Radio and γ-ray Emission Regions. United States: N. p., 2010. Web. doi:10.1088/0004-637X/712/2/957.
Abdo, A. A., Ackermann, M., Ajello, M., Allafort, A., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R. D., Bloom, E. D., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Buson, S., Caliandro, G. A., Cameron, R. A., Camilo, F., Caraveo, P. A., Carrigan, S., Casandjian, J. M., Cecchi, C., Çelik, Ö., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen-Tanugi, J., Conrad, J., Corbet, R., DeCesar, M. E., Dermer, C. D., Desvignes, G., de Angelis, A., de Palma, F., Digel, S. W., Dormody, M., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Fegan, S. J., Focke, W. B., Frailis, M., Freire, P. C. C., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giavitto, G., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Grenier, I. A., Grondin, M. -H., Grove, J. E., Guillemot, L., Guiriec, S., Hadasch, D., Harding, A. K., Hays, E., Hobbs, G., Horan, D., Hughes, R. E., Jóhannesson, G., Johnson, A. S., Johnson, T. J., Johnson, W. N., Johnston, S., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Knödlseder, J., Kramer, M., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Garde, M. Llena, Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Lyne, A. G., Makeev, A., Manchester, R. N., Marelli, M., Mazziotta, M. N., McConville, W., McEnery, J. E., McGlynn, S., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nolan, P. L., Norris, J. P., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Pierbattista, M., Piron, F., Porter, T. A., Rainò, S., Rando, R., Ransom, S. M., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Ripken, J., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sadrozinski, H. F. -W., Sander, A., Parkinson, P. M. Saz, Scargle, J. D., Sgrò, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stappers, B. W., Starck, J. -L., Strickman, M. S., Suson, D. J., Takahashi, H., Tanaka, T., Thayer, J. B., Thayer, J. G., Theureau, G., Thompson, D. J., Thorsett, S. E., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Usher, T. L., Van Etten, A., Vasileiou, V., Venter, C., Vilchez, N., Vitale, V., Waite, A. P., Wallace, E., Wang, P., Weltevrede, P., Winer, B. L., Wood, K. S., Ylinen, T., & Ziegler, M. Discovery of Pulsed γ-rays from PSR J0034-0534 with the Fermi Large Area Telescope: A Case for Co-located Radio and γ-ray Emission Regions. United States. https://doi.org/10.1088/0004-637X/712/2/957
Abdo, A. A., Ackermann, M., Ajello, M., Allafort, A., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R. D., Bloom, E. D., Bonamente, E., Borgland, A. W., Bouvier, A., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Buson, S., Caliandro, G. A., Cameron, R. A., Camilo, F., Caraveo, P. A., Carrigan, S., Casandjian, J. M., Cecchi, C., Çelik, Ö., Chekhtman, A., Cheung, C. C., Chiang, J., Ciprini, S., Claus, R., Cognard, I., Cohen-Tanugi, J., Conrad, J., Corbet, R., DeCesar, M. E., Dermer, C. D., Desvignes, G., de Angelis, A., de Palma, F., Digel, S. W., Dormody, M., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Espinoza, C., Farnier, C., Favuzzi, C., Fegan, S. J., Focke, W. B., Frailis, M., Freire, P. C. C., Fukazawa, Y., Funk, S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Germani, S., Giavitto, G., Giglietto, N., Giordano, F., Glanzman, T., Godfrey, G., Grenier, I. A., Grondin, M. -H., Grove, J. E., Guillemot, L., Guiriec, S., Hadasch, D., Harding, A. K., Hays, E., Hobbs, G., Horan, D., Hughes, R. E., Jóhannesson, G., Johnson, A. S., Johnson, T. J., Johnson, W. N., Johnston, S., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Knödlseder, J., Kramer, M., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Garde, M. Llena, Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Lyne, A. G., Makeev, A., Manchester, R. N., Marelli, M., Mazziotta, M. N., McConville, W., McEnery, J. E., McGlynn, S., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nolan, P. L., Norris, J. P., Noutsos, A., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Ozaki, M., Paneque, D., Panetta, J. H., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Pierbattista, M., Piron, F., Porter, T. A., Rainò, S., Rando, R., Ransom, S. M., Razzano, M., Reimer, A., Reimer, O., Reposeur, T., Ripken, J., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sadrozinski, H. F. -W., Sander, A., Parkinson, P. M. Saz, Scargle, J. D., Sgrò, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Stappers, B. W., Starck, J. -L., Strickman, M. S., Suson, D. J., Takahashi, H., Tanaka, T., Thayer, J. B., Thayer, J. G., Theureau, G., Thompson, D. J., Thorsett, S. E., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Usher, T. L., Van Etten, A., Vasileiou, V., Venter, C., Vilchez, N., Vitale, V., Waite, A. P., Wallace, E., Wang, P., Weltevrede, P., Winer, B. L., Wood, K. S., Ylinen, T., and Ziegler, M. Tue . "Discovery of Pulsed γ-rays from PSR J0034-0534 with the Fermi Large Area Telescope: A Case for Co-located Radio and γ-ray Emission Regions". United States. https://doi.org/10.1088/0004-637X/712/2/957. https://www.osti.gov/servlets/purl/1357568.
@article{osti_1357568,
title = {Discovery of Pulsed γ-rays from PSR J0034-0534 with the Fermi Large Area Telescope: A Case for Co-located Radio and γ-ray Emission Regions},
author = {Abdo, A. A. and Ackermann, M. and Ajello, M. and Allafort, A. and Baldini, L. and Ballet, J. and Barbiellini, G. and Bastieri, D. and Bechtol, K. and Bellazzini, R. and Berenji, B. and Blandford, R. D. and Bloom, E. D. and Bonamente, E. and Borgland, A. W. and Bouvier, A. and Bregeon, J. and Brez, A. and Brigida, M. and Bruel, P. and Burnett, T. H. and Buson, S. and Caliandro, G. A. and Cameron, R. A. and Camilo, F. and Caraveo, P. A. and Carrigan, S. and Casandjian, J. M. and Cecchi, C. and Çelik, Ö. and Chekhtman, A. and Cheung, C. C. and Chiang, J. and Ciprini, S. and Claus, R. and Cognard, I. and Cohen-Tanugi, J. and Conrad, J. and Corbet, R. and DeCesar, M. E. and Dermer, C. D. and Desvignes, G. and de Angelis, A. and de Palma, F. and Digel, S. W. and Dormody, M. and do Couto e Silva, E. and Drell, P. S. and Dubois, R. and Dumora, D. and Espinoza, C. and Farnier, C. and Favuzzi, C. and Fegan, S. J. and Focke, W. B. and Frailis, M. and Freire, P. C. C. and Fukazawa, Y. and Funk, S. and Fusco, P. and Gargano, F. and Gasparrini, D. and Gehrels, N. and Germani, S. and Giavitto, G. and Giglietto, N. and Giordano, F. and Glanzman, T. and Godfrey, G. and Grenier, I. A. and Grondin, M. -H. and Grove, J. E. and Guillemot, L. and Guiriec, S. and Hadasch, D. and Harding, A. K. and Hays, E. and Hobbs, G. and Horan, D. and Hughes, R. E. and Jóhannesson, G. and Johnson, A. S. and Johnson, T. J. and Johnson, W. N. and Johnston, S. and Kamae, T. and Katagiri, H. and Kataoka, J. and Kawai, N. and Kerr, M. and Knödlseder, J. and Kramer, M. and Kuss, M. and Lande, J. and Latronico, L. and Lemoine-Goumard, M. and Garde, M. Llena and Longo, F. and Loparco, F. and Lott, B. and Lovellette, M. N. and Lubrano, P. and Lyne, A. G. and Makeev, A. and Manchester, R. N. and Marelli, M. and Mazziotta, M. N. and McConville, W. and McEnery, J. E. and McGlynn, S. and Meurer, C. and Michelson, P. F. and Mitthumsiri, W. and Mizuno, T. and Moiseev, A. A. and Monte, C. and Monzani, M. E. and Morselli, A. and Moskalenko, I. V. and Murgia, S. and Nolan, P. L. and Norris, J. P. and Noutsos, A. and Nuss, E. and Ohsugi, T. and Omodei, N. and Orlando, E. and Ormes, J. F. and Ozaki, M. and Paneque, D. and Panetta, J. H. and Parent, D. and Pelassa, V. and Pepe, M. and Pesce-Rollins, M. and Pierbattista, M. and Piron, F. and Porter, T. A. and Rainò, S. and Rando, R. and Ransom, S. M. and Razzano, M. and Reimer, A. and Reimer, O. and Reposeur, T. and Ripken, J. and Ritz, S. and Rochester, L. S. and Rodriguez, A. Y. and Romani, R. W. and Roth, M. and Ryde, F. and Sadrozinski, H. F. -W. and Sander, A. and Parkinson, P. M. Saz and Scargle, J. D. and Sgrò, C. and Siskind, E. J. and Smith, D. A. and Smith, P. D. and Spandre, G. and Spinelli, P. and Stappers, B. W. and Starck, J. -L. and Strickman, M. S. and Suson, D. J. and Takahashi, H. and Tanaka, T. and Thayer, J. B. and Thayer, J. G. and Theureau, G. and Thompson, D. J. and Thorsett, S. E. and Tibaldo, L. and Torres, D. F. and Tosti, G. and Tramacere, A. and Usher, T. L. and Van Etten, A. and Vasileiou, V. and Venter, C. and Vilchez, N. and Vitale, V. and Waite, A. P. and Wallace, E. and Wang, P. and Weltevrede, P. and Winer, B. L. and Wood, K. S. and Ylinen, T. and Ziegler, M.},
abstractNote = {Millisecond pulsars (MSPs) have been firmly established as a class of γ-ray emitters via the detection of pulsations above 0.1 GeV from eight MSPs by the Fermi Large Area Telescope (LAT). Here, using 13 months of LAT data, significant γ-ray pulsations at the radio period have been detected from the MSP PSR J0034–0534, making it the ninth clear MSP detection by the LAT. The γ-ray light curve shows two peaks separated by 0.274 ± 0.015 in phase which are very nearly aligned with the radio peaks, a phenomenon seen only in the Crab pulsar until now. The ≥0.1 GeV spectrum of this pulsar is well fit by an exponentially cutoff power law with a cutoff energy of 1.8 ± 0.6 ± 0.1 GeV and a photon index of 1.5 ± 0.2 ± 0.1, first errors are statistical and second are systematic. Lastly, the near-alignment of the radio and γ-ray peaks strongly suggests that the radio and γ-ray emission regions are co-located and both are the result of caustic formation.},
doi = {10.1088/0004-637X/712/2/957},
journal = {The Astrophysical Journal},
number = 2,
volume = 712,
place = {United States},
year = {Tue Mar 09 00:00:00 EST 2010},
month = {Tue Mar 09 00:00:00 EST 2010}
}

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PROBING MILLISECOND PULSAR EMISSION GEOMETRY USING LIGHT CURVES FROM THE FERMI /LARGE AREA TELESCOPE
journal, November 2009


An Atlas for Interpreting γ-Ray Pulsar Light Curves
journal, April 2009


Profile and polarization characteristics of energetic pulsars
journal, December 2008


A millisecond pulsar in an X-ray binary system
journal, July 1998

  • Wijnands, Rudy; van der Klis, Michiel
  • Nature, Vol. 394, Issue 6691
  • DOI: 10.1038/28557

XMM‐Newton Observations of Four Millisecond Pulsars
journal, February 2006

  • Zavlin, Vyacheslav E.
  • The Astrophysical Journal, Vol. 638, Issue 2
  • DOI: 10.1086/449308

Works referencing / citing this record:

FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG
journal, May 2010

  • Abdo, A. A.; Ackermann, M.; Ajello, M.
  • The Astrophysical Journal Supplement Series, Vol. 188, Issue 2
  • DOI: 10.1088/0067-0049/188/2/405

UNVEILING THE NATURE OF THE UNIDENTIFIED GAMMA-RAY SOURCES. IV. THE SWIFT CATALOG OF POTENTIAL X-RAY COUNTERPARTS
journal, October 2013

  • Paggi, A.; Massaro, F.; D'Abrusco, R.
  • The Astrophysical Journal Supplement Series, Vol. 209, Issue 1
  • DOI: 10.1088/0067-0049/209/1/9

The International Pulsar Timing Array: First data release
journal, February 2016

  • Verbiest, J. P. W.; Lentati, L.; Hobbs, G.
  • Monthly Notices of the Royal Astronomical Society, Vol. 458, Issue 2
  • DOI: 10.1093/mnras/stw347

High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array
journal, March 2016

  • Desvignes, G.; Caballero, R. N.; Lentati, L.
  • Monthly Notices of the Royal Astronomical Society, Vol. 458, Issue 3
  • DOI: 10.1093/mnras/stw483

The International Pulsar Timing Array: second data release
journal, October 2019

  • Perera, B. B. P.; DeCesar, M. E.; Demorest, P. B.
  • Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 4
  • DOI: 10.1093/mnras/stz2857

The International Pulsar Timing Array: First Data Release
text, January 2016


High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array
text, January 2016