Linking gravitational waves and X-ray phenomena with joint LISA and Athena observations

被引：36

作者：

McGee, Sean ^{[1
]}

Sesana, Alberto ^{[1
,2
]}

Vecchio, Alberto ^{[1
,2
]}

机构：

[1] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[2] Univ Birmingham, Inst Gravitat Wave Astron, Birmingham, W Midlands, England

来源：

NATURE ASTRONOMY | 2020年 / 4卷 / 01期

基金：

英国科学技术设施理事会;

关键词：

SUPERMASSIVE BLACK-HOLES; EDDINGTON RATIOS; MERGERS; GAS; ACCRETION; EVOLUTION; GALAXIES; BINARIES; QUASARS;

D O I：

10.1038/s41550-019-0969-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The evolution of cosmic structures, the formation and growth of the first black holes and the connection to their baryonic environment are key unsolved problems in astrophysics. The X-ray Athena mission and the gravitational-wave Laser Interferometer Space Antenna (LISA) offer independent and complementary angles on these problems. We show that up to about 10 black hole binaries in the mass range of approximately 10(5) to 10(8) solar masses discovered by LISA at redshift below about 3.5 could be detected by Athena in an exposure time up to 100 ks, if prompt X-ray emission of 1-10% of the Eddington luminosity is present. Likewise, if any LISA-detected extreme-mass-ratio inspirals occur in accretion disks, Athena can detect associated electromagnetic emission out to a redshift of about 1. Finally, warned by LISA, Athena can point in advance and stare at stellar-mass binary black hole mergers at redshift less than about 0.1. These science opportunities emphasize the vast discovery space of simultaneous observations from the two observatories, which would be missed if they were operated in different epochs. This Perspective highlights the science opportunities and the vast discovery space of simultaneous observations from the LISA and Athena observatories, which would be missed if they were operated in different epochs .

引用

页码：26 / 31

页数：6

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