The BlackGEM array in search of black hole mergers: integrated performance modelling

Roelfsema, R.; Wolt, M. Klein; Bloemen, S.; Groot, P.; Bettonvil, Felix; Balster, Harry; Dolron, Peter; Elteren, A. van; Engels, Arno; Haan, Menno de; Horst, Rik ter; Kragt, Jan; Navarro, R.; Nelemans, G.; Paalberends, Willem Jelle; Pal, Sari; Raskin, Gert; Rutten, H. G. J.; Scheers, Bart; Schuil, M.; Sybilski, P.

doi:10.1117/12.2204767

SPIE Proceedings

2016

DOI: 10.1117/12.2204767

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The BlackGEM array in search of black hole mergers: integrated performance modelling

R. Roelfsema¹,

M. Klein Wolt

S. Bloemen

et al.

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Cited by 2 publications

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A feasibility study on the photometric detection of quiescent black hole X-ray binaries

Casares

Torres

2018

Monthly Notices of the Royal Astronomical Society

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We investigate the feasibility of detecting quiescent black hole X-ray binaries using optical photometric techniques. To test this we employ a combination of r-band and Hα filters currently available at the Roque de los Muchachos Observatory. Photometric observations of four dynamical black holes (GRO J0422+320, A 0620-00, XTE J1118+480 and XTE J1859+226) at SNR 35-50, supplemented with near simultaneous spectroscopic data, demonstrate that it is possible to recover the FWHM of the Hα emission line to better than 10% for targets with a wide range of line EWs and down to magnitude r∼22. We further explore the potential of our photometric system to disentangle other populations of compact stars and Hα emitters. In particular, we show that HAWKs, a survey designed to unveil quiescent black holes, will also provide a detailed census of other Galactic populations, most notably short period (eclipsing) cataclysmic variables, neutron star X-ray binaries and ultra-compact binaries.

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A feasibility study on the photometric detection of quiescent black hole X-ray binaries

Casares

Torres

2018

Monthly Notices of the Royal Astronomical Society

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KSIM: simulating KIDSpec, a Microwave Kinetic Inductance Detector spectrograph for the optical/NIR

Hofmann

O’Brien

2023

RAS Techniques and Instruments

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KIDSpec, the Kinetic Inductance Detector Spectrometer, is a proposed optical to near IR Microwave Kinetic Inductance Detector (MKID) spectrograph. MKIDs are superconducting photon counting detectors which are able to resolve the energy of incoming photons and their time of arrival. KIDSpec will use these detectors to separate incoming spectral orders from a grating, thereby not requiring a cross-disperser. In this paper we present a simulation tool for KIDSpec’s potential performance upon construction to optimise a given design. This simulation tool is the KIDSpec Simulator (KSIM), a Python package designed to simulate a variety of KIDSpec and observation parameters. A range of astrophysical objects are simulated: stellar objects, an SDSS observed galaxy, a Seyfert galaxy, and a mock galaxy spectrum from the JAGUAR catalogue. Multiple medium spectral resolution designs for KIDSpec are simulated. The possible impact of MKID energy resolution variance and dead pixels were simulated, with impacts to KIDSpec performance observed using the Reduced Chi-Squared (RCS) value. Using dead pixel percentages from current instruments, the RCS result was found to only increase to 1.21 at worst for one of the designs simulated. SNR comparisons of object simulations between KSIM and X-Shooter’s ETC were also simulated. KIDSpec offers a particular improvement over X-Shooter for short and faint observations. For a Seyfert galaxy (mR = 21) simulation with a 180s exposure, KIDSpec had an average SNR of 4.8, in contrast to 1.5 for X-Shooter. Using KSIM the design of KIDSpec can be optimised to improve the instrument further.

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The BlackGEM array in search of black hole mergers: integrated performance modelling

Cited by 2 publications

References 3 publications

A feasibility study on the photometric detection of quiescent black hole X-ray binaries

A feasibility study on the photometric detection of quiescent black hole X-ray binaries

KSIM: simulating KIDSpec, a Microwave Kinetic Inductance Detector spectrograph for the optical/NIR

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