An accreting pulsar with extreme properties drives an ultraluminous x-ray source in NGC 5907-Reference-Cited by-同舟云学术

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

Published:2017-02-24 Issue:6327 Volume:355 Page:817-819
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Israel Gian Luca¹^ORCID,Belfiore Andrea²^ORCID,Stella Luigi¹^ORCID,Esposito Paolo²³^ORCID,Casella Piergiorgio¹^ORCID,De Luca Andrea²⁴^ORCID,Marelli Martino²^ORCID,Papitto Alessandro¹^ORCID,Perri Matteo¹⁵^ORCID,Puccetti Simonetta¹⁵^ORCID,Castillo Guillermo A. Rodríguez¹^ORCID,Salvetti David²^ORCID,Tiengo Andrea²⁴⁶^ORCID,Zampieri Luca⁷^ORCID,D’Agostino Daniele⁸^ORCID,Greiner Jochen⁹,Haberl Frank⁹^ORCID,Novara Giovanni²⁶^ORCID,Salvaterra Ruben²^ORCID,Turolla Roberto¹⁰^ORCID,Watson Mike¹¹,Wilms Joern¹²^ORCID,Wolter Anna¹³^ORCID

Affiliation:

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

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

3. Anton Pannekoek Institute for Astronomy, University of Amsterdam, Postbus 94249, NL-1090GE Amsterdam, Netherlands.

4. Istituto Nazionale di Fisica Nucleare, Sezione di Pavia, Via Bassi 6, 27100 Pavia, Italy.

5. Agenzia Spaziale Italiana Science Data Center, via del Politecnico snc, I-00133 Roma, Italy.

6. Scuola Universitaria Superiore IUSS Pavia, piazza della Vittoria 15, I-27100 Pavia, Italy.

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

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

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

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

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

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

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

Abstract

Spinning up an extragalactic neutron star Ultraluminous x-ray sources (ULXs) are strange objects in other galaxies that cannot be explained by conventional accretion onto stellar-mass objects. This has led to exotic interpretations, such as the long-sought intermediate-mass black holes. Israel et al. observed a ULX in the nearby galaxy NGC 5907 and found that it is instead a neutron star. The spinning neutron star is accreting material so fast that its spin period is quickly accelerating. The only way that it can consume enough material to explain these properties is if it has a strong multipolar magnetic field. Science , this issue p. 817

Funder

Netherlands Organization for Scientific Research

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference51 articles.

1. Populations of X-Ray Sources in Galaxies

2. Supercritically accreting stellar mass black holes as ultraluminous X-ray sources

3. Low-metallicity natal environments and black hole masses in ultraluminous X-ray sources

4. An ultraluminous X-ray source powered by an accreting neutron star

5. Discovery of a 0.42-s pulsar in the ultraluminous X-ray source NGC 7793 P13

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