Hard X-ray properties of magnetic cataclysmic variables

S. Scaringi; A. J. Bird; A. J. Norton; C. Knigge; A. B. Hill; D. J. Clark; A. J. Dean; E. J. Barlow; L. Bassani; A. Bazzano; M. Fiocchi; R. Landi

doi:10.1063/1.3475205

Hard X-ray properties of magnetic cataclysmic variables

S. Scaringi, A. J. Bird, A. J. Norton, C. Knigge, A. B. Hill, D. J. Clark, A. J. Dean, E. J. Barlow, L. Bassani, A. Bazzano, M. Fiocchi, R. Landi

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

We have constructed a new sample of magnetic cataclysmic variables (mCVs) by cross-correlating candidate sources detected in INTEGRAL/IBIS observations against catalogues of known CVs and included mCVs observed with either Swift/BAT or SUZAKU/HXD. Here we review the properties arising from this hard X-ray selected sample and find that most hard X-ray detected mCVs have P _spin/P_orb<0.1 above the period gap. The observational features of the P_spin-P_orb plane are discussed in the context of mCV evolution scenarios. We also present evidence for correlations between hard X-ray spectral hardness and P_spin, P_orb and P_spin/P_orb. An attempt to explain the observed correlations is made in the context of mCV evolution and accretion footprint geometries on the white dwarf surface.

Original language	English
Title of host publication	X-ray Astronomy-2009
Subtitle of host publication	Present Status, Multi-Wavelength Approach and Future Perspectives - Proceedings of the International Conference
Pages	201-202
Number of pages	2
DOIs	https://doi.org/10.1063/1.3475205
State	Published - 2010
Event	International Conference on X-ray Astronomy-2009: Present Status, Multi-Wavelength Approach and Future Perspectives - Bologna, Italy Duration: Sep 7 2009 → Sep 11 2009

Publication series

Name	AIP Conference Proceedings
Volume	1248
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	International Conference on X-ray Astronomy-2009: Present Status, Multi-Wavelength Approach and Future Perspectives
Country	Italy
City	Bologna
Period	09/7/09 → 09/11/09

Keywords

Magnetic Binary Evolution
X-ray observations: Magnetic Cataclysmic Variables

Access to Document

10.1063/1.3475205

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Scaringi, S., Bird, A. J., Norton, A. J., Knigge, C., Hill, A. B., Clark, D. J., Dean, A. J., Barlow, E. J., Bassani, L., Bazzano, A., Fiocchi, M., & Landi, R. (2010). Hard X-ray properties of magnetic cataclysmic variables. In X-ray Astronomy-2009: Present Status, Multi-Wavelength Approach and Future Perspectives - Proceedings of the International Conference (pp. 201-202). (AIP Conference Proceedings; Vol. 1248). https://doi.org/10.1063/1.3475205

Scaringi, S. ; Bird, A. J. ; Norton, A. J. ; Knigge, C. ; Hill, A. B. ; Clark, D. J. ; Dean, A. J. ; Barlow, E. J. ; Bassani, L. ; Bazzano, A. ; Fiocchi, M. ; Landi, R. / Hard X-ray properties of magnetic cataclysmic variables. X-ray Astronomy-2009: Present Status, Multi-Wavelength Approach and Future Perspectives - Proceedings of the International Conference. 2010. pp. 201-202 (AIP Conference Proceedings).

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title = "Hard X-ray properties of magnetic cataclysmic variables",

abstract = "We have constructed a new sample of magnetic cataclysmic variables (mCVs) by cross-correlating candidate sources detected in INTEGRAL/IBIS observations against catalogues of known CVs and included mCVs observed with either Swift/BAT or SUZAKU/HXD. Here we review the properties arising from this hard X-ray selected sample and find that most hard X-ray detected mCVs have P spin/Porb<0.1 above the period gap. The observational features of the Pspin-Porb plane are discussed in the context of mCV evolution scenarios. We also present evidence for correlations between hard X-ray spectral hardness and Pspin, Porb and Pspin/Porb. An attempt to explain the observed correlations is made in the context of mCV evolution and accretion footprint geometries on the white dwarf surface.",

keywords = "Magnetic Binary Evolution, X-ray observations: Magnetic Cataclysmic Variables",

author = "S. Scaringi and Bird, {A. J.} and Norton, {A. J.} and C. Knigge and Hill, {A. B.} and Clark, {D. J.} and Dean, {A. J.} and Barlow, {E. J.} and L. Bassani and A. Bazzano and M. Fiocchi and R. Landi",

year = "2010",

doi = "10.1063/1.3475205",

language = "English",

isbn = "9780735407954",

series = "AIP Conference Proceedings",

pages = "201--202",

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Scaringi, S, Bird, AJ, Norton, AJ, Knigge, C, Hill, AB, Clark, DJ, Dean, AJ, Barlow, EJ, Bassani, L, Bazzano, A, Fiocchi, M & Landi, R 2010, Hard X-ray properties of magnetic cataclysmic variables. in X-ray Astronomy-2009: Present Status, Multi-Wavelength Approach and Future Perspectives - Proceedings of the International Conference. AIP Conference Proceedings, vol. 1248, pp. 201-202, International Conference on X-ray Astronomy-2009: Present Status, Multi-Wavelength Approach and Future Perspectives, Bologna, Italy, 09/7/09. https://doi.org/10.1063/1.3475205

Hard X-ray properties of magnetic cataclysmic variables. / Scaringi, S.; Bird, A. J.; Norton, A. J.; Knigge, C.; Hill, A. B.; Clark, D. J.; Dean, A. J.; Barlow, E. J.; Bassani, L.; Bazzano, A.; Fiocchi, M.; Landi, R.

X-ray Astronomy-2009: Present Status, Multi-Wavelength Approach and Future Perspectives - Proceedings of the International Conference. 2010. p. 201-202 (AIP Conference Proceedings; Vol. 1248).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Scaringi, S.

AU - Bird, A. J.

AU - Norton, A. J.

AU - Knigge, C.

AU - Hill, A. B.

AU - Clark, D. J.

AU - Dean, A. J.

AU - Barlow, E. J.

AU - Bassani, L.

AU - Bazzano, A.

AU - Fiocchi, M.

AU - Landi, R.

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N2 - We have constructed a new sample of magnetic cataclysmic variables (mCVs) by cross-correlating candidate sources detected in INTEGRAL/IBIS observations against catalogues of known CVs and included mCVs observed with either Swift/BAT or SUZAKU/HXD. Here we review the properties arising from this hard X-ray selected sample and find that most hard X-ray detected mCVs have P spin/Porb<0.1 above the period gap. The observational features of the Pspin-Porb plane are discussed in the context of mCV evolution scenarios. We also present evidence for correlations between hard X-ray spectral hardness and Pspin, Porb and Pspin/Porb. An attempt to explain the observed correlations is made in the context of mCV evolution and accretion footprint geometries on the white dwarf surface.

AB - We have constructed a new sample of magnetic cataclysmic variables (mCVs) by cross-correlating candidate sources detected in INTEGRAL/IBIS observations against catalogues of known CVs and included mCVs observed with either Swift/BAT or SUZAKU/HXD. Here we review the properties arising from this hard X-ray selected sample and find that most hard X-ray detected mCVs have P spin/Porb<0.1 above the period gap. The observational features of the Pspin-Porb plane are discussed in the context of mCV evolution scenarios. We also present evidence for correlations between hard X-ray spectral hardness and Pspin, Porb and Pspin/Porb. An attempt to explain the observed correlations is made in the context of mCV evolution and accretion footprint geometries on the white dwarf surface.

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T3 - AIP Conference Proceedings

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BT - X-ray Astronomy-2009

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