A massive quiescent galaxy at z=3.449 exhibits low rotation (λ_Re = 0.123) consistent with slow-rotator kinematics, indicating early formation of dispersion-dominated systems.
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- background InProceedings of the 19th International Conference on Artificial Intelligence and Statistics, volume 51 ofProceedings of Machine Learning Research, pages 389-397. PMLR, 2016. [26] V . J. Martínez, P. Arnalte-Mur, and D. Stoyan. Measuring galaxy segregation with the mark connection function.Astronomy & Astrophysics, 513:A22, 2010. doi: 10.1051/0004-6361/ 200912922. [27] Andrew Miller, Luke Bornn, Ryan Adams, and Kirk Goldsberry. Factorized point process intensities: A spatial analysis of professi
- background trillion [24]. While the mass of such a black hole falls within the range of known supermassive black holes, such a finely- tuned spin parameter is highly unrealistic, far from the theoreti- cal limit achievable by known astrophysical processes [25, 26]. For comparison, the black hole at the center of the Milky Way, Sgr A*, has a mass of 4.3×10 6 M⊙ [27], and a spin parameter ofa=0.90±0.06 [28], and the recently imaged M87* has a mass 6.5×10 9 M⊙ [29] and spin parametera=0.90±0.05 [28]. It shoul
- background The extended Roentgen Survey with an Imaging Telescope Array (eROSITA) instrument on the Spectrum-Roentgen-Gamma (SRG) spacecraft (15), a soft X-ray space telescope, is located about 1.5 million kilometers from Earth (Fig. S1), well outside the geocorona. It has mapped the full sky four times, beginning in December 2019 when the Sun was at the minimum of its 11-year activity cycle (16). We analyzed the eROSITA observations of the western Galactic hemisphere (15) in the energy range of 0.27 to 0.
- background of a secondary star has been found only in about one-third of FS CMa stars [ 49]. The detection of a secondary star may be explained by another phenomenon, low-quality data, or misinterpretation of the observations in many cases. For example, spectroastrometric observations indicate a secondary in HD 50138, FS CMa and HD 85567 [58]. However, the spectroastrometric signal is sensitive to any deviation from spherical symmetry [ 59,60]. The non-uniform disk discovered interferometrically in HD 5013
- method G' orski, C. B. Netterfield, B. P. Crill, S. Prunet, and F. Hansen, The Astro- physical Journal567, 2 (2002), ISSN 0004-637X, URLhttps://iopscience.iop.org/article/10. 1086/338126. [84] J. Torrado and A. Lewis, Journal of Cosmology and Astroparticle Physics2021, 057 (2021), ISSN 1475-7516, arXiv:2005.05290 [astro-ph], URLhttp: //arxiv.org/abs/2005.05290. [85]ASCL.net - Cobaya: Bayesian analysis in cosmol- ogy, URLhttps://ascl.net/1910.019. [86] J. Hartlap, P. Simon, and P. Schneider, Astronomy &
- background 510clash favour a coherent systematic in the BAOtr measurements. New physics with non-smoothw(z)could contribute at redshifts where the datasets do not overlap, but cannot resolve the direct clash. Outlook.The key next steps are: (a) Angular BAO analysis of DESI spectroscopic data, eliminating SDSS- specific systematics. (b) Independent angular BAO from DES [88], Euclid [89], and LSST [90]. (c) Sub-percent reassessment of BAOtr projection effects, photometric- redshift biases, and angular system
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Using GPR-reconstructed angular diameter distances from DESI DR2 BAO and H0LiCOW time-delay lenses, the paper measures γ_PPN = 0.93^{+0.16}_{-0.17} and r_d = 136.36^{+5.14}_{-3.20} Mpc simultaneously without cosmological or gravity assumptions, consistent with GR within 1σ.
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A massive and evolved slow-rotating galaxy in the early Universe
A massive quiescent galaxy at z=3.449 exhibits low rotation (λ_Re = 0.123) consistent with slow-rotator kinematics, indicating early formation of dispersion-dominated systems.
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An extreme ram-pressure stripping event in a protocluster at redshift 4.3
ALMA and JWST data reveal an extreme ram-pressure stripping event removing most cold gas from a massive galaxy in a z=4.3 protocluster core.
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Analysing the highly irregular boundaries of solar pores
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Environment-imposed selection rules for nuclear-spin conversion of H$_2$ in molecular crystals
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Simulations of gas inflow in the Milky Way I. Stellar-Feedback-Regulated Transport from the Central Molecular Zone to the Circumnuclear disk
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Laplace Variational Inference for Dirichlet Process Mixtures of Marked Poisson Point Processes
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