Design of the VLT-CUBES image slicers: Field re-formatters to provide two spectral resolutions (2022)
Journal Article
Calcines, A., Wells, M., O’Brien, K., Morris, S., Seifert, W., Zanutta, A., …Di Marcantonio, P. (2023). Design of the VLT-CUBES image slicers: Field re-formatters to provide two spectral resolutions. Experimental Astronomy, 55(1), 267-280. https://doi.org/10.1007/s10686-022-09866-5

CUBES is a high efficiency spectrograph designed for a Cassegrain focus of the Very Large Telescope and is expected to be in operation in 2028. It is designed to observe point or compact sources in a spectral range from 300 to 405nm. CUBES will provi... Read More about Design of the VLT-CUBES image slicers: Field re-formatters to provide two spectral resolutions.

CUBES: application of image slicers to reformat the field for two spectral resolving powers (2022)
Conference Proceeding
Calcines Rosario, A. Z., Wells, M., O’Brien, K. S., Morris, S. L., Seifert, W., Zanutta, A., …Di Marcantonio, P. (2022). CUBES: application of image slicers to reformat the field for two spectral resolving powers. In R. Navarro, & R. Geyl (Eds.), Proceedings Volume 12188, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V; SPIE Astronomical Telescopes + Instrumentation. https://doi.org/10.1117/12.2626233

The Cassegrain U-Band Efficient Spectrograph (CUBES) is a high-efficiency spectrograph designed for observations from 305 to 400nm. It will be integrated at a Cassegrain focus of the Very Large Telescope (VLT). The image slicer technology is applied... Read More about CUBES: application of image slicers to reformat the field for two spectral resolving powers.

Fast infrared variability from the black hole candidate MAXI J1535−571 and tight constraints on the modelling (2021)
Journal Article
Vincentelli, F., Casella, P., Russell, D., Baglio, M., Veledina, A., Maccarone, T., …Uttley, P. (2021). Fast infrared variability from the black hole candidate MAXI J1535−571 and tight constraints on the modelling. Monthly Notices of the Royal Astronomical Society, 503(1), 614-624. https://doi.org/10.1093/mnras/stab475

We present the results regarding the analysis of the fast X-ray/infrared (IR) variability of the black hole transient MAXI J1535−571. The data studied in this work consist of two strictly simultaneous observations performed with XMM–Newton (X-rays: 0... Read More about Fast infrared variability from the black hole candidate MAXI J1535−571 and tight constraints on the modelling.

First Principle Simulator of a Stochastically Varying Image Plane for Photon-counting High Contrast Applications (2020)
Journal Article
Dodkins, R. H., Davis, K. K., Lewis, B., Mahashabde, S., Mazin, B. A., Lipartito, I. A., …Thatte, N. (2020). First Principle Simulator of a Stochastically Varying Image Plane for Photon-counting High Contrast Applications. Publications of the Astronomical Society of the Pacific, 132(1016), Article 104503. https://doi.org/10.1088/1538-3873/aba9e4

Optical and near-infrared Microwave Kinetic Inductance Detectors, or MKIDs are low-temperature detectors with inherent spectral resolution that are able to instantly register individual photons with potentially no false counts or readout noise. These... Read More about First Principle Simulator of a Stochastically Varying Image Plane for Photon-counting High Contrast Applications.

KIDSpec: An MKID-Based Medium-Resolution, Integral Field Spectrograph (2020)
Journal Article
O’Brien, K. (2020). KIDSpec: An MKID-Based Medium-Resolution, Integral Field Spectrograph. Journal of Low Temperature Physics, 199(1-2), 537-546. https://doi.org/10.1007/s10909-020-02347-z

KIDSpec, the Kinetic Inductance Detector Spectrograph, is a concept for a highly sensitive, medium-spectral-resolution optical through near-IR spectrograph. It uses the intrinsic-energy-resolving capability of an array of optical/IR-sensitive MKIDs t... Read More about KIDSpec: An MKID-Based Medium-Resolution, Integral Field Spectrograph.

Physical Constraints from Near-infrared Fast Photometry of the Black Hole Transient GX 339–4 (2019)
Journal Article
Vincentelli, F., Casella, P., Petrucci, P., Maccarone, T., Russell, D., Uttley, P., …Tomsick, J. (2019). Physical Constraints from Near-infrared Fast Photometry of the Black Hole Transient GX 339–4. Astrophysical Journal Letters, 887(1), Article L19. https://doi.org/10.3847/2041-8213/ab5860

We present results from the first multi-epoch X-ray/IR fast-photometry campaign on the black hole transient GX 339–4, during its 2015 outburst decay. We studied the evolution of the power spectral densities finding strong differences between the two... Read More about Physical Constraints from Near-infrared Fast Photometry of the Black Hole Transient GX 339–4.

A Wildly Flickering Jet in the Black Hole X-Ray Binary MAXI J1535–571 (2018)
Journal Article
Cristina Baglio, M., Russell, D. M., Casella, P., Al Noori, H., Al Yazeedi, A., Belloni, T., …Vincentelli, F. M. (2018). A Wildly Flickering Jet in the Black Hole X-Ray Binary MAXI J1535–571. Astrophysical Journal, 867(2), Article 114. https://doi.org/10.3847/1538-4357/aae532

We report on the results of optical, near-infrared (NIR), and mid-infrared observations of the black hole X-ray binary candidate (BHB) MAXI J1535–571 during its 2017/2018 outburst. During the first part of the outburst (MJD 58004–58012), the source s... Read More about A Wildly Flickering Jet in the Black Hole X-Ray Binary MAXI J1535–571.

A jet model for the fast IR variability of the black hole X-ray binary GX 339-4 (2018)
Journal Article
Malzac, J., Kalamkar, M., Vincentelli, F., Vue, A., Drappeau, S., Belmont, R., …Uttley, P. (2018). A jet model for the fast IR variability of the black hole X-ray binary GX 339-4. Monthly Notices of the Royal Astronomical Society, 480(2), 2054-2071. https://doi.org/10.1093/mnras/sty2006

Using the simultaneous Infra-Red (IR) and X-ray light curves obtained by Kalamkar et al., we perform a Fourier analysis of the IR/X-ray timing correlations of the black hole X-ray binary (BHB) GX 339-4. The resulting IR vs X-ray Fourier coherence and... Read More about A jet model for the fast IR variability of the black hole X-ray binary GX 339-4.

Characterization of the infrared/X-ray subsecond variability for the black hole transient GX 339-4 (2018)
Journal Article
Vincentelli, F., Casella, P., Maccarone, T., Uttley, P., Gandhi, P., Belloni, T., …O'Brien, K. (2018). Characterization of the infrared/X-ray subsecond variability for the black hole transient GX 339-4. Monthly Notices of the Royal Astronomical Society, 477(4), 4524-4533. https://doi.org/10.1093/mnras/sty710

We present a detailed analysis of the X-ray/IR fast variability of the Black-Hole Transient GX 339-4 during its low/hard state in 2008 August. Thanks to simultaneous high time resolution observations made with the VLT and RXTE, we performed the first... Read More about Characterization of the infrared/X-ray subsecond variability for the black hole transient GX 339-4.

MKID digital readout tuning with deep learning (2018)
Journal Article
Dodkins, R., Mahashabde, S., O’Brien, K., Thatte, N., Fruitwala, N., Walter, A., …Mazin, B. (2018). MKID digital readout tuning with deep learning. Astronomy and computing, 23, 60-71. https://doi.org/10.1016/j.ascom.2018.03.001

Microwave Kinetic Inductance Detector (MKID) devices offer inherent spectral resolution, simultaneous read out of thousands of pixels, and photon-limited sensitivity at optical wavelengths. Before taking observations the readout power and frequency o... Read More about MKID digital readout tuning with deep learning.

System mass constraints for the accreting millisecond pulsar XTE J1814-338 using Bowen fluorescence (2017)
Journal Article
Wang, L., Steeghs, D., Casares, J., Charles, P., Muñoz-Darias, T., Marsh, T., …O'Brien, K. (2017). System mass constraints for the accreting millisecond pulsar XTE J1814-338 using Bowen fluorescence. Monthly Notices of the Royal Astronomical Society, 466(2), 2261-2271. https://doi.org/10.1093/mnras/stw3312

We present phase-resolved spectroscopy of the millisecond X-ray pulsar XTE J1814-338 obtained during its 2003 outburst. The spectra are dominated by high-excitation emission lines of He II λ4686, Hβ, and the Bowen blend C III/N III 4630–50 Å. We expl... Read More about System mass constraints for the accreting millisecond pulsar XTE J1814-338 using Bowen fluorescence.

Simulated observations of high-redshift galaxies with the HARMONI spectrograph for the European Extremely Large Telescope (2016)
Other
Kendrew, S., Zieleniewski, S., Houghton, R. C., Thatte, N., Devriendt, J., Tecza, M., …Häußler, B. (2016). Simulated observations of high-redshift galaxies with the HARMONI spectrograph for the European Extremely Large Telescope

A microwave kinetic inductance detector for the DAG telescope (2016)
Other
Güver, T., Mazin, B. A., O'Brien, K., Kay, B., Alis, S., Yelkenci, F. K., …Keskin, O. (2016). A microwave kinetic inductance detector for the DAG telescope

Characterizing the performance of cryogenic lens mounts for the HARMONI spectograph (2016)
Other
Allen, J. R., O'Brien, K., Lynn, J. D., Thatte, N. A., Tosh, I. A., & Tacon, M. (2016). Characterizing the performance of cryogenic lens mounts for the HARMONI spectograph

The E-ELT first light spectrograph HARMONI: capabilities and modes (2016)
Other
Thatte, N. A., Clarke, F., Bryson, I., Shnetler, H., Tecza, M., Fusco, T., …Larrieu, M. (2016). The E-ELT first light spectrograph HARMONI: capabilities and modes

The E-ELT first light spectrograph HARMONI: capabilities and modes (2016)
Conference Proceeding
Thatte, N. A., Clarke, F., Bryson, I., Shnetler, H., Tecza, M., Fusco, T., …Evans, C. J. (2016). The E-ELT first light spectrograph HARMONI: capabilities and modes. In L. Simard, H. Takami, & C. J. Evans (Eds.), Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI. https://doi.org/10.1117/12.2230629

HARMONI is the E-ELT’s first light visible and near-infrared integral field spectrograph. It will provide four different spatial scales, ranging from coarse spaxels of 60 × 30 mas best suited for seeing limited observations, to 4 mas spaxels that Nyq... Read More about The E-ELT first light spectrograph HARMONI: capabilities and modes.

Detection of the first infra-red quasi-periodic oscillation in a black hole X-ray binary (2016)
Journal Article
Kalamkar, M., Casella, P., Uttley, P., O'Brien, K., Russell, D., Maccarone, T., …Vincentelli, F. (2016). Detection of the first infra-red quasi-periodic oscillation in a black hole X-ray binary. Monthly Notices of the Royal Astronomical Society, 460(3), 3284-3291. https://doi.org/10.1093/mnras/stw1211

We present the analysis of fast variability of Very Large Telescope/ISAAC (Infrared Spectrometer And Array Camera) (infra-red), XMM–Newton/OM (optical) and EPIC-pn (X-ray), and RXTE/PCA (X-ray) observations of the black hole X-ray binary GX 339−4 in... Read More about Detection of the first infra-red quasi-periodic oscillation in a black hole X-ray binary.

Simulated stellar kinematics studies of high-redshift galaxies with the HARMONI Integral Field Spectrograph (2016)
Journal Article
Kendrew, S., Zieleniewski, S., Houghton, R., Thatte, N., Devriendt, J., Tecza, M., …Häußler, B. (2016). Simulated stellar kinematics studies of high-redshift galaxies with the HARMONI Integral Field Spectrograph. Monthly Notices of the Royal Astronomical Society, 458(3), 2405-2422. https://doi.org/10.1093/mnras/stw438

We present a study into the capabilities of integrated and spatially resolved integral field spectroscopy of galaxies at z = 2–4 with the future HARMONI spectrograph for the European Extremely Large Telescope (E-ELT) using the simulation pipeline, HS... Read More about Simulated stellar kinematics studies of high-redshift galaxies with the HARMONI Integral Field Spectrograph.

Erratum: ULTRASPEC: a high-speed imaging photometer on the 2.4-m Thai National Telescope (2015)
Journal Article
Dhillon, V., Marsh, T., Atkinson, D., Bezawada, N., Bours, M., Copperwheat, C., …Vick, A. (2015). Erratum: ULTRASPEC: a high-speed imaging photometer on the 2.4-m Thai National Telescope. Monthly Notices of the Royal Astronomical Society, 446,

Science with KRAKENS (2015)
Other
Mazin, B. A., Becker, G., France, K., Fraser, W., Howell, D. A., Jones, T., …Vasisht, G. (2015). Science with KRAKENS