An accreting pulsar with extreme properties drives an ultraluminous x-ray source in NGC 5907

Gian Luca Israel; Andrea Belfiore; Luigi Stella; Paolo Esposito; Piergiorgio Casella; Andrea De Luca; Martino Marelli; Alessandro Papitto; Matteo Perri; Simonetta Puccetti; Guillermo A. Rodríguez Castillo; David Salvetti; Andrea Tiengo; Luca Zampieri; Daniele D’Agostino; Jochen Greiner; Frank Haberl; Giovanni Novara; Ruben Salvaterra; Roberto Turolla; Mike Watson; Joern Wilms; Anna Wolter

doi:10.1126/science.aai8635

ReportsAstronomy

An accreting pulsar with extreme properties drives an ultraluminous x-ray source in NGC 5907

Gian Luca Israel¹,*,
Andrea Belfiore²,
Luigi Stella¹,
Paolo Esposito³,²,
Piergiorgio Casella¹,
Andrea De Luca²,⁴,
Martino Marelli²,
Alessandro Papitto¹,
Matteo Perri⁵,¹,
Simonetta Puccetti⁵,¹,
Guillermo A. Rodríguez Castillo¹,
David Salvetti²,
Andrea Tiengo⁶,²,⁴,
Luca Zampieri⁷,
Daniele D’Agostino⁸,
Jochen Greiner⁹,
Frank Haberl⁹,
Giovanni Novara⁶,²,
Ruben Salvaterra²,
Roberto Turolla¹⁰,
Mike Watson¹¹,
Joern Wilms¹²,
Anna Wolter¹³

¹Osservatorio Astronomico di Roma, Istituto Nazionale di Astrofisica (INAF), via Frascati 33, I-00078 Monteporzio Catone, Italy.
²Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.
³Anton Pannekoek Institute for Astronomy, University of Amsterdam, Postbus 94249, NL-1090GE Amsterdam, Netherlands.
⁴Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, Via Bassi 6, 27100 Pavia, Italy.
⁵Agenzia Spaziale Italiana Science Data Center, via del Politecnico snc, I-00133 Roma, Italy.
⁶Scuola Universitaria Superiore IUSS Pavia, piazza della Vittoria 15, I-27100 Pavia, Italy.
⁷Osservatorio Astronomico di Padova, INAF, vicolo dell’Osservatorio 5, I-35122 Padova, Italy.
⁸Istituto di Matematica Applicata e Tecnologie Informatiche “E. Magenes,” CNR, via de Marini 6, I-16149 Genova, Italy.
⁹Max-Planck-Institut für extraterrestrische Physik, Giessenbachstrasse, D-85748 Garching, Germany.
¹⁰Dipartimento di Fisica e Astronomia, Università di Padova, via F. Marzolo 8, I-35131 Padova, Italy.
¹¹Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH , UK.
¹²Dr. Karl-Remeis-Sternwarte and Erlangen Centre for Astroparticle Physics, Sternwartstrasse 7, D-96049 Bamberg, Germany.
¹³Osservatorio Astronomico di Brera, INAF, via Brera 28, I-20121 Milano, Italy.

↵*Corresponding author. Email: gianluca{at}oa-roma.inaf.it

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Science 24 Feb 2017:
Vol. 355, Issue 6327, pp. 817-819
DOI: 10.1126/science.aai8635

Gian Luca Israel

Osservatorio Astronomico di Roma, Istituto Nazionale di Astrofisica (INAF), via Frascati 33, I-00078 Monteporzio Catone, Italy.

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For correspondence: gianluca@oa-roma.inaf.it

Andrea Belfiore

Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.

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Luigi Stella

Osservatorio Astronomico di Roma, Istituto Nazionale di Astrofisica (INAF), via Frascati 33, I-00078 Monteporzio Catone, Italy.

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Paolo Esposito

Anton Pannekoek Institute for Astronomy, University of Amsterdam, Postbus 94249, NL-1090GE Amsterdam, Netherlands.Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.

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Piergiorgio Casella

Osservatorio Astronomico di Roma, Istituto Nazionale di Astrofisica (INAF), via Frascati 33, I-00078 Monteporzio Catone, Italy.

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Andrea De Luca

Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, Via Bassi 6, 27100 Pavia, Italy.

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Martino Marelli

Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.

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Alessandro Papitto

Osservatorio Astronomico di Roma, Istituto Nazionale di Astrofisica (INAF), via Frascati 33, I-00078 Monteporzio Catone, Italy.

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Matteo Perri

Agenzia Spaziale Italiana Science Data Center, via del Politecnico snc, I-00133 Roma, Italy.Osservatorio Astronomico di Roma, Istituto Nazionale di Astrofisica (INAF), via Frascati 33, I-00078 Monteporzio Catone, Italy.

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Simonetta Puccetti

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Guillermo A. Rodríguez Castillo

Osservatorio Astronomico di Roma, Istituto Nazionale di Astrofisica (INAF), via Frascati 33, I-00078 Monteporzio Catone, Italy.

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David Salvetti

Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.

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Andrea Tiengo

Scuola Universitaria Superiore IUSS Pavia, piazza della Vittoria 15, I-27100 Pavia, Italy.Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, Via Bassi 6, 27100 Pavia, Italy.

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Luca Zampieri

Osservatorio Astronomico di Padova, INAF, vicolo dell’Osservatorio 5, I-35122 Padova, Italy.

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Daniele D’Agostino

Istituto di Matematica Applicata e Tecnologie Informatiche “E. Magenes,” CNR, via de Marini 6, I-16149 Genova, Italy.

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Jochen Greiner

Max-Planck-Institut für extraterrestrische Physik, Giessenbachstrasse, D-85748 Garching, Germany.

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Frank Haberl

Max-Planck-Institut für extraterrestrische Physik, Giessenbachstrasse, D-85748 Garching, Germany.

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Giovanni Novara

Scuola Universitaria Superiore IUSS Pavia, piazza della Vittoria 15, I-27100 Pavia, Italy.Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.

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Ruben Salvaterra

Istituto di Astrofisica Spaziale e Fisica Cosmica, INAF, via E. Bassini 15, I-20133 Milano, Italy.

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Roberto Turolla

Dipartimento di Fisica e Astronomia, Università di Padova, via F. Marzolo 8, I-35131 Padova, Italy.

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Mike Watson

Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH , UK.

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Joern Wilms

Dr. Karl-Remeis-Sternwarte and Erlangen Centre for Astroparticle Physics, Sternwartstrasse 7, D-96049 Bamberg, Germany.

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Anna Wolter

Osservatorio Astronomico di Brera, INAF, via Brera 28, I-20121 Milano, Italy.

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An accreting pulsar with extreme properties drives an ultraluminous x-ray source in NGC 5907

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