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A novel high-z submm galaxy efficient line survey in ALMA bands 3 through 8 - an ANGELS pilot (2024)
Journal Article
Bakx, T. J. L. C., Amvrosiadis, A., Bendo, G. J., Algera, H. S. B., Serjeant, S., Bonavera, L., Borsato, E., Chen, X., Cox, P., González-Nuevo, J., Hagimoto, M., Harrington, K. C., Ivison, R. J., Kamieneski, P., Marchetti, L., Riechers, D. A., Tsukui, T., van der Werf, P. P., Yang, C., Zavala, J. A., …Urquhart, S. A. (2024). A novel high-z submm galaxy efficient line survey in ALMA bands 3 through 8 - an ANGELS pilot. Monthly Notices of the Royal Astronomical Society, 535(2), 1533-1574. https://doi.org/10.1093/mnras/stae2409

We use the Atacama Large sub/Millimetre Array (ALMA) to efficiently observe spectral lines across Bands 3, 4, 5, 6, 7, and 8 at high-resolution (0.″5 – 0.″1) for 16 bright southern Herschel sources at 1.5 < z < 4.2. With only six and a half hou... Read More about A novel high-z submm galaxy efficient line survey in ALMA bands 3 through 8 - an ANGELS pilot.

Systematic collapse of the accretion disc across the supermassive black hole population (2024)
Journal Article
Hagen, S., Done, C., Silverman, J. D., Li, J., Liu, T., Ren, W., Buchner, J., Merloni, A., Nagao, T., & Salvato, M. (2024). Systematic collapse of the accretion disc across the supermassive black hole population. Monthly Notices of the Royal Astronomical Society, 534(3), 2803-2818. https://doi.org/10.1093/mnras/stae2272

The structure of the accretion flow on to supermassive black holes is not well understood. Standard disc models match to zeroth-order in predicting substantial energy dissipation within optically thick material producing a characteristic strong blue/... Read More about Systematic collapse of the accretion disc across the supermassive black hole population.

Discovery of persistent quasi-periodic oscillations in accreting white dwarfs: a new link to X-ray binaries (2024)
Journal Article
Veresvarska, M., Scaringi, S., Knigge, C., Paice, J., Buckley, D. A. H., Segura, N. C., de Martino, D., Groot, P. J., Ingram, A., Irving, Z. A., & Szkody, P. (2024). Discovery of persistent quasi-periodic oscillations in accreting white dwarfs: a new link to X-ray binaries. Monthly Notices of the Royal Astronomical Society, 534(4), 3087-3103. https://doi.org/10.1093/mnras/stae2279

Almost all accreting black hole and neutron star (NS) X-ray binary systems (XRBs) exhibit prominent brightness variations on a few characteristic time-scales and their harmonics. These quasi-periodic oscillations (QPOs) are thought to be associated w... Read More about Discovery of persistent quasi-periodic oscillations in accreting white dwarfs: a new link to X-ray binaries.

Common origin for black holes in both high mass X-ray binaries and gravitational-wave sources (2024)
Journal Article
Belczynski, K., Done, C., Hagen, S., Lasota, J.-P., & Sen, K. (2024). Common origin for black holes in both high mass X-ray binaries and gravitational-wave sources. Astronomy & Astrophysics, 690, Article A21. https://doi.org/10.1051/0004-6361/202450229

Black-hole (BH) high-mass X-ray binary (HMXB) systems are likely to be the progenitors of BH-BH mergers detected in gravitational waves by LIGO/Virgo/KAGRA (LVK). Yet merging BHs reach higher masses (∼100 M⊙) than BHs in HMXBs (∼20 M⊙) and typically... Read More about Common origin for black holes in both high mass X-ray binaries and gravitational-wave sources.

Efficient Point-spread Function Modeling with ShOpt.jl: A Point-spread Function Benchmarking Study with JWST NIRCam Imaging (2024)
Journal Article
Berman, E. M., McCleary, J. E., Koekemoer, A. M., Franco, M., Drakos, N. E., Liu, D., Nightingale, J. W., Shuntov, M., Scognamiglio, D., Massey, R., Mahler, G., McCracken, H. J., Robertson, B. E., Faisst, A. L., Casey, C. M., & Kartaltepe, J. S. (2024). Efficient Point-spread Function Modeling with ShOpt.jl: A Point-spread Function Benchmarking Study with JWST NIRCam Imaging. Astronomical Journal, 168(4), Article 174. https://doi.org/10.3847/1538-3881/ad6a0f

With their high angular resolutions of 30–100 mas, large fields of view, and complex optical systems, imagers on next-generation optical/near-infrared space observatories, such as the Near-Infrared Camera (NIRCam) on the James Webb Space Telescope, p... Read More about Efficient Point-spread Function Modeling with ShOpt.jl: A Point-spread Function Benchmarking Study with JWST NIRCam Imaging.

Skipping a beat: discovery of persistent quasi-periodic oscillations associated with pulsed fraction drop of the spin signal in M51 ULX-7 (2024)
Journal Article
Imbrogno, M., Motta, S. E., Amato, R., Israel, G. L., Rodríguez-Castillo, G. A., Brightman, M., Casella, P., Bachetti, M., Fürst, F., Stella, L., Pinto, C., Pintore, F., Tombesi, F., Gúrpide, A., Middleton, M. J., Salvaggio, C., Tiengo, A., Belfiore, A., De Luca, A., Esposito, P., …Salvaterra, R. (2024). Skipping a beat: discovery of persistent quasi-periodic oscillations associated with pulsed fraction drop of the spin signal in M51 ULX-7. Astronomy & Astrophysics, 689, Article A284. https://doi.org/10.1051/0004-6361/202450432

Black hole jets on the scale of the cosmic web. (2024)
Journal Article
Oei, M. S. S. L., Hardcastle, M. J., Timmerman, R., Gast, A. R. D. J. G. I. B., Botteon, A., Rodriguez, A. C., Stern, D., Calistro Rivera, G., van Weeren, R. J., Röttgering, H. J. A., Intema, H. T., de Gasperin, F., & Djorgovski, S. G. (2024). Black hole jets on the scale of the cosmic web. Nature, 633(8030), 537-541. https://doi.org/10.1038/s41586-024-07879-y

When sustained for megayears (refs.  ), high-power jets from supermassive black holes (SMBHs) become the largest galaxy-made structures in the Universe . By pumping electrons, atomic nuclei and magnetic fields into the intergalactic medium (IGM), the... Read More about Black hole jets on the scale of the cosmic web..

Unveiling the Distant Universe: Characterizing z ≥ 9 Galaxies in the First Epoch of COSMOS-Web (2024)
Journal Article
Franco, M., Akins, H. B., Casey, C. M., Finkelstein, S. L., Shuntov, M., Chworowsky, K., Faisst, A. L., Fujimoto, S., Ilbert, O., Koekemoer, A. M., Liu, D., Lovell, C. C., Maraston, C., McCracken, H. J., McKinney, J., Robertson, B. E., Bagley, M. B., Champagne, J. B., Cooper, O. R., Ding, X., …Zavala, J. A. (2024). Unveiling the Distant Universe: Characterizing z ≥ 9 Galaxies in the First Epoch of COSMOS-Web. The Astrophysical Journal, 973(1), Article 23. https://doi.org/10.3847/1538-4357/ad5e6a

We report the identification of 15 galaxy candidates at z ≥ 9 using the initial COSMOS-Web JWST observations over 77 arcmin2 through four Near Infrared Camera filters (F115W, F150W, F277W, and F444W) with an overlap with the Mid-Infrared Imager (F770... Read More about Unveiling the Distant Universe: Characterizing z ≥ 9 Galaxies in the First Epoch of COSMOS-Web.

Environments of Luminous Low-frequency Radio Galaxies Since Cosmic Noon: Jet-mode Feedback Dominates in Groups (2024)
Journal Article
Petter, G. C., Hickox, R. C., Morabito, L. K., & Alexander, D. M. (2024). Environments of Luminous Low-frequency Radio Galaxies Since Cosmic Noon: Jet-mode Feedback Dominates in Groups. The Astrophysical Journal, 972(2), Article 184. https://doi.org/10.3847/1538-4357/ad6849

Coupling between relativistic jets launched by accreting supermassive black holes and the surrounding gaseous media is a vital ingredient in galaxy evolution models. To constrain the environments in which this feedback takes place over cosmic time, w... Read More about Environments of Luminous Low-frequency Radio Galaxies Since Cosmic Noon: Jet-mode Feedback Dominates in Groups.

Ancient Nova Shells of RX Pup Indicate Evolution of Mass Transfer Rate (2024)
Journal Article
Iłkiewicz, K., Mikołajewska, J., Shara, M. M., Faherty, J. K., & Scaringi, S. (2024). Ancient Nova Shells of RX Pup Indicate Evolution of Mass Transfer Rate. Astrophysical Journal Letters, 972(1), Article L14. https://doi.org/10.3847/2041-8213/ad6e5a

RX Pup is a symbiotic binary that experienced a nova outburst in the 1970s. Here we report a discovery of a ∼1300 yr old nova shell around the system and a possible detection of a ∼7000 yr old nova shell. Together with the nova shell ejected in the 1... Read More about Ancient Nova Shells of RX Pup Indicate Evolution of Mass Transfer Rate.

The Galaxy–Galaxy Strong Lensing Cross Section and the Internal Distribution of Matter in ΛCDM Substructure (2024)
Journal Article
Tokayer, Y. M., Dutra, I., Natarajan, P., Mahler, G., Jauzac, M., & Meneghetti, M. (2024). The Galaxy–Galaxy Strong Lensing Cross Section and the Internal Distribution of Matter in ΛCDM Substructure. The Astrophysical Journal, 970(2), Article 143. https://doi.org/10.3847/1538-4357/ad51fd

Strong gravitational lensing offers a powerful probe of the detailed distribution of matter in lenses, while magnifying and bringing faint background sources into view. Observed strong lensing by massive galaxy clusters, which are often in complex dy... Read More about The Galaxy–Galaxy Strong Lensing Cross Section and the Internal Distribution of Matter in ΛCDM Substructure.

A warm dark matter cosmogony may yield more low-mass galaxy detections in 21-cm surveys than a cold dark matter one (2024)
Journal Article
Oman, K. A., Frenk, C. S., Crain, R. A., Lovell, M. R., & Pfeffer, J. (2024). A warm dark matter cosmogony may yield more low-mass galaxy detections in 21-cm surveys than a cold dark matter one. Monthly Notices of the Royal Astronomical Society, 533(1), 67-78. https://doi.org/10.1093/mnras/stae1772

The 21-cm spectral line widths, w50, of galaxies are an approximate tracer of their dynamical masses, such that the dark matter halo mass function is imprinted in the number density of galaxies as a function of w50. Correcting observed number counts... Read More about A warm dark matter cosmogony may yield more low-mass galaxy detections in 21-cm surveys than a cold dark matter one.

Bound star clusters observed in a lensed galaxy 460 Myr after the Big Bang (2024)
Journal Article
Adamo, A., Bradley, L. D., Vanzella, E., Claeyssens, A., Welch, B., Diego, J. M., Mahler, G., Oguri, M., Sharon, K., Abdurro’uf, Hsiao, T. Y.-Y., Xu, X., Messa, M., Lassen, A. E., Zackrisson, E., Brammer, G., Coe, D., Kokorev, V., Ricotti, M., Zitrin, A., …Tamura, Y. (2024). Bound star clusters observed in a lensed galaxy 460 Myr after the Big Bang. Nature, 632(8025), 513-516. https://doi.org/10.1038/s41586-024-07703-7

The Cosmic Gems arc is among the brightest and highly magnified galaxies observed at redshift z ≈ 10.2 (ref. 1). However, it is an intrinsically ultraviolet faint galaxy, in the range of those now thought to drive the reionization of the Universe2–4.... Read More about Bound star clusters observed in a lensed galaxy 460 Myr after the Big Bang.

MARTINI: Mock Array Radio Telescope Interferometry ofthe Neutral ISM (2024)
Journal Article
Oman, K. A. (2024). MARTINI: Mock Array Radio Telescope Interferometry ofthe Neutral ISM. The Journal of Open Source Software, 9(98), Article 6860. https://doi.org/10.21105/joss.06860

MARTINI is a modular Python package that takes smoothed-particle hydrodynamics (SPH) simulations of galaxies as input and creates synthetic spatially- and/or spectrally-resolved observations of the 21-cm radio emission line of atomic hydrogen (data c... Read More about MARTINI: Mock Array Radio Telescope Interferometry ofthe Neutral ISM.

What drives the variability in AGN? Explaining the UV-Xray disconnect through propagating fluctuations (2024)
Journal Article
Hagen, S., Done, C., & Edelson, R. (2024). What drives the variability in AGN? Explaining the UV-Xray disconnect through propagating fluctuations. Monthly Notices of the Royal Astronomical Society, 530(4), 4850-4867. https://doi.org/10.1093/mnras/stae1177

Intensive broad-band reverberation mapping campaigns have shown that AGN variability is significantly more complex than expected from disc reverberation of the variable X-ray illumination. The UV/optical variability is highly correlated and lagged, w... Read More about What drives the variability in AGN? Explaining the UV-Xray disconnect through propagating fluctuations.

How does the radio enhancement of broad absorption line quasars relate to colour and accretion rate? (2024)
Journal Article
Petley, J. W., Morabito, L. K., Rankine, A. L., Richards, G. T., Thomas, N. L., Alexander, D. M., …Kolwa, S. (2024). How does the radio enhancement of broad absorption line quasars relate to colour and accretion rate?. Monthly Notices of the Royal Astronomical Society, 529(3), 1995-2007. https://doi.org/10.1093/mnras/stae626

The origin of radio emission in different populations of radio-quiet quasars is relatively unknown, but recent work has uncovered various drivers of increased radio-detection fraction. In this work, we pull together three known factors: optical colou... Read More about How does the radio enhancement of broad absorption line quasars relate to colour and accretion rate?.

Cosmology and fundamental physics with the ELT-ANDES spectrograph (2024)
Journal Article
Martins, C., Cooke, R., Liske, J., Murphy, M., Noterdaeme, P., Schmidt, T., …Zanutta, A. (2024). Cosmology and fundamental physics with the ELT-ANDES spectrograph. Experimental Astronomy, 57(1), Article 5. https://doi.org/10.1007/s10686-024-09928-w

State-of-the-art 19th century spectroscopy led to the discovery of quantum mechanics, and 20th century spectroscopy led to the confirmation of quantum electrodynamics. State-of-the-art 21st century astrophysical spectrographs, especially ANDES at ESO... Read More about Cosmology and fundamental physics with the ELT-ANDES spectrograph.

First High-resolution Spectroscopy of X-Ray Absorption Lines in the Obscured State of NGC 5548 (2024)
Journal Article
Mehdipour, M., Kriss, G. A., Kaastra, J. S., Costantini, E., Gu, L., Landt, H., …Rogantini, D. (2024). First High-resolution Spectroscopy of X-Ray Absorption Lines in the Obscured State of NGC 5548. Astrophysical Journal, 962(2), Article 155. https://doi.org/10.3847/1538-4357/ad1bcb

Multiwavelength spectroscopy of NGC 5548 revealed remarkable changes due to the presence of an obscuring wind from the accretion disk. This broadened our understanding of obscuration and outflows in active galactic nuclei. Swift monitoring of NGC 554... Read More about First High-resolution Spectroscopy of X-Ray Absorption Lines in the Obscured State of NGC 5548.