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A Multiwavelength Investigation of Spiral Structures in z > 1 Galaxies with JWST (2025)
Journal Article
Kalita, B. S., Yu, S.-Y., Silverman, J. D., Daddi, E., Ho, L. C., Faisst, A. L., Dessauges-Zavadsky, M., Puglisi, A., Birrer, S., Kashino, D., Ding, X., Kartaltepe, J. S., Liu, Z., Kakkad, D., Valentino, F., Ilbert, O., Magdis, G., Long, A. S., Jin, S., Koekemoer, A. M., & Massey, R. (2025). A Multiwavelength Investigation of Spiral Structures in z > 1 Galaxies with JWST. Astrophysical Journal Letters, 979(2), Article L44. https://doi.org/10.3847/2041-8213/ada958

Recent JWST observations have revealed the prevalence of spiral structures at z > 1. Unlike in the local Universe, the origin and the consequence of spirals at this epoch remain unexplored. We use public JWST/NIRCam data from the COSMOS-Web survey to... Read More about A Multiwavelength Investigation of Spiral Structures in z > 1 Galaxies with JWST.

ALMA/SCUBA-2 COSMOS Survey: Properties of X-Ray- and SED-selected Active Galactic Nuclei in Bright Submillimeter Galaxies (2025)
Journal Article
Uematsu, R., Ueda, Y., Alexander, D. M., Swinbank, A. M., Smail, I., Andonie, C., Chen, C.-C., Dudzevičiūtė, U., Ikarashi, S., Kohno, K., Matsuda, Y., Puglisi, A., Umehata, H., & Wang, W.-H. (2025). ALMA/SCUBA-2 COSMOS Survey: Properties of X-Ray- and SED-selected Active Galactic Nuclei in Bright Submillimeter Galaxies. The Astrophysical Journal, 979(2), Article 168. https://doi.org/10.3847/1538-4357/ad9f3b

We investigate the properties of active galactic nuclei (AGNs) in the brightest submillimeter galaxies (SMGs) in the COSMOS field. We utilize the bright sample of the ALMA/SCUBA-2 COSMOS Survey (AS2COSMOS), which consists of 260 SMGs with S870 μm = 0... Read More about ALMA/SCUBA-2 COSMOS Survey: Properties of X-Ray- and SED-selected Active Galactic Nuclei in Bright Submillimeter Galaxies.

HETDEX-LOFAR Spectroscopic Redshift Catalog (2024)
Journal Article
Debski, M. H., Zeimann, G. R., Hill, G. J., Schneider, D. P., Morabito, L., Dalton, G., Jarvis, M. J., Mentuch Cooper, E., Ciardullo, R., Gawiser, E., & Jurlin, N. (2025). HETDEX-LOFAR Spectroscopic Redshift Catalog. The Astrophysical Journal, 978(1), Article 101. https://doi.org/10.3847/1538-4357/ad957b

We combine the power of blind integral field spectroscopy from the Hobby–Eberly Telescope (HET) Dark Energy Experiment (HETDEX) with sources detected by the Low Frequency Array (LOFAR) to construct the HETDEX-LOFAR Spectroscopic Redshift Catalog. Sta... Read More about HETDEX-LOFAR Spectroscopic Redshift Catalog.

LOFAR Non-detections of SN 2023ixf in its First Year Post-explosion (2024)
Journal Article
Timmerman, R., Arias, M., & Botteon, A. (2024). LOFAR Non-detections of SN 2023ixf in its First Year Post-explosion. Research Notes of the American Astronomical Society, 8(12), Article 311. https://doi.org/10.3847/2515-5172/ad9eae

We used the LOw Frequency ARray (LOFAR) telescope to monitor SN 2023ixf, a core-collapse supernova in M101, between 8 and 368 days post-explosion. We report non-detections down to ~ 80 μJy sensitivity at 144 MHz. Our non-detections are consistent wit... Read More about LOFAR Non-detections of SN 2023ixf in its First Year Post-explosion.

DUVET: sub-kiloparsec resolved star formation driven outflows in a sample of local starbursting disc galaxies (2024)
Journal Article
Reichardt Chu, B., Fisher, D. B., Chisholm, J., Berg, D., Bolatto, A., Cameron, A. J., Fielding, D. B., Herrera-Camus, R., Kacprzak, G. G., Li, M., McLeod, A. F., McPherson, D. K., Nielsen, N. M., Rickards Vaught, R. J., Ridolfo, S. G., & Sandstrom, K. (2025). DUVET: sub-kiloparsec resolved star formation driven outflows in a sample of local starbursting disc galaxies. Monthly Notices of the Royal Astronomical Society, 536(2), 1799-1821. https://doi.org/10.1093/mnras/stae2705

A hidden active galactic nucleus population: the first radio luminosity functions constructed by physical process (2024)
Journal Article
Morabito, L. K., Kondapally, R., Best, P. N., Yue, B. .-H., de Jong, J. M. G. H. J., Sweijen, F., Bondi, M., Schwarz, D. J., Smith, D. J. B., van Weeren, R. J., Röttgering, H. J. A., Shimwell, T. W., & Prandoni, I. (2025). A hidden active galactic nucleus population: the first radio luminosity functions constructed by physical process. Monthly Notices of the Royal Astronomical Society: Letters, 536(1), L32-L37. https://doi.org/10.1093/mnrasl/slae104

The VST ATLAS Quasar Survey – II. Halo mass profiles of galaxies, LRGs and galaxy clusters via quasar and CMB lensing (2024)
Journal Article
Eltvedt, A. M., Shanks, T., Metcalfe, N., Ansarinejad, B., Barrientos, L. F., Murphy, D. N. A., & Alexander, D. M. (2024). The VST ATLAS Quasar Survey – II. Halo mass profiles of galaxies, LRGs and galaxy clusters via quasar and CMB lensing. Monthly Notices of the Royal Astronomical Society, 535(3), 2092-2104. https://doi.org/10.1093/mnras/stae2466

We cross-correlate a low-contamination subset of the VST ATLAS g < 22.5 quasar catalogue with g < 21.5 galaxy clusters, r < 21 galaxies and r < 19.5 luminous red galaxies (LRGs) to probe their halo mass profiles via quasar magnification bias caused b... Read More about The VST ATLAS Quasar Survey – II. Halo mass profiles of galaxies, LRGs and galaxy clusters via quasar and CMB lensing.

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 &lt; z &lt; 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.

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.

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.

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.