{"total":12,"items":[{"citing_arxiv_id":"2605.21840","ref_index":90,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Powerful Radio Sources in the Southern Sky. IV. Observations of the G4Jy-3CRE Catalog with the Australian Square Kilometre Array Pathfinder","primary_cat":"astro-ph.GA","submitted_at":"2026-05-21T00:19:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"New ASKAP continuum imaging classifies jet morphologies in 173 G4Jy-3CRE sources (66% of sample) including 37 newly detected jets and identifies six new optical counterparts.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.18283","ref_index":53,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Constraining the magnetic field strength of a flaring radio core in the compact steep spectrum source 3C 138","primary_cat":"astro-ph.GA","submitted_at":"2026-05-18T12:13:53+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"The synchrotron self-absorption magnetic field in the flaring core of 3C 138 is approximately 0.05 times the equipartition magnetic field.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.15462","ref_index":75,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Constraints on the Metallicity-dependent Explodability of Massive Stars from Galactic Chemical Evolution: Toward Alleviating the Red Supergiant Problem","primary_cat":"astro-ph.HE","submitted_at":"2026-05-14T22:53:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Metallicity-dependent explodability prescriptions for massive stars reproduce observed galactic abundance trends when used in chemical evolution models and permit a simplified form that alleviates the red supergiant problem without violating those trends, provided net outflows are negligible and the","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.07965","ref_index":182,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"A Changing-Look Seyfert Discovered by eROSITA Reveals a Two-Component Broad-Line Region","primary_cat":"astro-ph.GA","submitted_at":"2026-05-08T16:28:42+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"HE 1237-2252 exhibits a changing-look event driven by intrinsic accretion-rate variations, revealing a two-component broad-line region consisting of virialized gas at ~27 light-days and disk emission at larger radii.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.05673","ref_index":52,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Detection of an Extended Ly$\\alpha$ Halo around a $\\textit{z}=6.64$ Broad Absorption Line Quasar with the Keck Cosmic Web Imager","primary_cat":"astro-ph.GA","submitted_at":"2026-05-07T04:54:47+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"An extended Lyα halo is detected around the z=6.64 BAL quasar J0910-0414, extending to 11 pkpc with rotation-like kinematics, lower velocity dispersion than the host core, and contributing 55% of the total Lyα flux due to central absorption.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"emission and isolate the extended Lyα, and create maps of the spatially resolved kinematics. We interpret our results in Section 4, and conclude the paper in Section 5. Throughout this paper, we adopt a flat ΛCDM cos- mology withH 0 = 70 km s −1 Mpc−1, Ω m = 0.3, and ΩΛ = 0.7. Atz= 6.64, the Universe is 0.807 Gyr old, and an angular distance of 1 ′′ corresponds to 5.4 pkpc (E. L. Wright 2006). 2.OBSERVATIONS AND DATA REDUCTION We observed J0910−0414 with KCWI on the Keck II telescope as part of Program 2024A N061 (PI: Feige Wang). Our instrument configuration uses the medium slicer with the RM2 grating and 2×2 binning, which yields a field of view (FoV) of 16. ′′5×20. ′′4, a wave- length coverage of 8500-10500 ˚A, a slice width of 0.′′679,"},{"citing_arxiv_id":"2605.03016","ref_index":84,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Resolving the Multiphase Outflow, Shock Signatures, and PAHs in the AGN-Starburst Composite ULIRG F10565+2448 with JWST MIRI/MRS","primary_cat":"astro-ph.GA","submitted_at":"2026-05-04T18:00:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"JWST observations resolve multiphase nuclear and kpc-scale outflows with velocities up to 520 km/s and PAH property gradients in the AGN-starburst composite ULIRG F10565+2448.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"5, we discuss the mass and energetics of the outflow, trends in the properties of the PAH with distance from the center, and a mid-IR shock diagnostic. We sum- marize our conclusions in Section 6. We adopt a cos- mology ofH 0 = 69.6 km s −1Mpc−1, Ω M = 0.286, and ΩL = 0.714, which implies a scale of 0.855 kpc arcsec −1 and a luminosity distance of 191.8 Mpc (C. L. Bennett et al. 2014; E. L. Wright 2006). JWST Data of F10565+24483 2.OBSERVATIONS AND DATA REDUCTION F10565+2448 was observed withJWSTon 2024-05- 27 using the Medium-Resolution Spectrometer (MRS) mode of the Mid-InfraRed Instrument (MIRI; G. S. Wright et al. 2023; I. Argyriou et al. 2023a, PID 3869, PI Veilleux). All of the grating settings - Short, Medium, and Long - were used to cover the entire wavelength"},{"citing_arxiv_id":"2605.00720","ref_index":97,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"A bright wideband radio burst from the isolated neutron star 2XMM J104608.7$-$594306","primary_cat":"astro-ph.HE","submitted_at":"2026-05-01T15:08:40+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A second coherent radio burst spanning 704-4032 MHz with spectral index -2.18, 54% linear and 22% circular polarization, and an orthogonal polarization angle jump was detected from 2XMM J104608.7-594306, showing rare radio activity in sources thought to be radio-quiet.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.27100","ref_index":121,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Galaxy Zoo Bar Lengths: A Catalogue of Measurements from Hubble Space Telescope Images and the Evolution of Galactic Bar Structure at z < 1","primary_cat":"astro-ph.GA","submitted_at":"2026-04-29T18:45:01+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"A new catalogue of bar lengths and widths from HST images of 8230 galaxies shows bars are about 13% weaker at higher redshift, with longer bars in higher-mass quiescent galaxies and trends consistent with slow quenching.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"2013, 2018, 2022),matplotlib(J. D. Hunter 2007), numpy(C. R. Harris et al. 2020),pandas( Wes McK- inney 2010) v1.4.2 (J. Reback et al. 2022), the Python Image Library (A. Clark 2015), andscipy(P. Virtanen et al. 2020). We also used NASA's ADS/SciX services and Cornell's ArXiv. This publication also used a wid- get form of the JavaScript Cosmology Calculator (E. L. Wright 2006; R. J. Simpson et al. 2013) and the Tool for Operations on Catalogues And Tables (TOPCAT; M. B. Taylor 2005; M. Taylor 2011) 16. 16 http://www.star.bris.ac.uk/˜mbt/topcat/ 25 REFERENCES Abraham, R. G., & Merrifield, M. R. 2000, AJ, 120, 2835, doi: 10.1086/316877 Abraham, R. G., Merrifield, M. R., Ellis, R. S., Tanvir, N. R., & Brinchmann, J. 1999, MNRAS, 308, 569,"},{"citing_arxiv_id":"2604.21405","ref_index":40,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Supermassive Black Hole Winds in X-rays: SUBWAYS IV. Tracing Radio Emission and Unveiling the Role of Winds","primary_cat":"astro-ph.GA","submitted_at":"2026-04-23T08:20:42+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"In X-ray selected AGN, those hosting ultra-fast outflows exhibit larger radio extensions and steep spectra matching wind-driven shock models.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.20080","ref_index":118,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Cold molecular gas distribution and kinematics in the low-metallicity dusty starburst of Mrk 996 resolved with ALMA","primary_cat":"astro-ph.GA","submitted_at":"2026-04-22T00:54:21+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"ALMA maps reveal offset compact CO clouds with subthermal excitation in Mrk 996, yielding a molecular gas mass of a few 10^7 solar masses and evidence for a substantial CO-dark H2 component.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.19435","ref_index":155,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"SDSSJ110546.07+145202.4: The first long-duration radio changing-look NLS1 galaxy","primary_cat":"astro-ph.HE","submitted_at":"2026-04-21T13:09:40+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"SDSSJ110546.07+145202.4 is the first known long-duration radio changing-look NLS1 galaxy whose outburst is explained by an accretion-rate change that triggered a powerful radio jet.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"observations and provides a discussion of a variety of out- burst scenarios. Sect. 8 provides a summary and conclu- sions and sketches important future observations. Through- out this publication, we use aΛCDM cosmological model withH 0 =70 km s −1 Mpc−1,Ω m =0.3, andΩ Λ =0.7. At the redshift of SDSS J1105+1452, 1′′ corresponds to a projected linear size of 2.18 kpc (Wright 2006). 2.SWIFT AND ROSAT X-RAY OBSERV ATIONS 2.1.Swift XRT We have observed SDSS J1105+1452 eight times with the Neil Gehrels Swift observatory (Swift hereafter; Gehrels et al. 2004) between October and December 2025 to mea- sure its broad-band X-ray spectrum for the first time and search for short-term variability among the Swift data sets and in comparison with the ROSAT detection in the 1990s."},{"citing_arxiv_id":"2509.25577","ref_index":94,"ref_count":1,"confidence":0.88,"is_internal_anchor":true,"paper_title":"Characterizing the host galaxies and delay times of Ca-rich gap transients vs 91bg-like SNe and normal Type Ia SNe","primary_cat":"astro-ph.HE","submitted_at":"2025-09-29T22:58:52+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Ca-rich gap transients and 91bg-like SNe occupy similar massive quiescent host parameter space with peak delay times around 10^4 Myr, unlike normal Type Ia (~10^3 Myr) and Type II (~10 Myr) SNe.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}