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A systematic bias in template-based RV extraction algorithms
Andr\'e M. Silva, N. C. Santos, J. P. Faria, J. H. C. Martins, E. A. S. Cristo, S. G. Sousa, P. T. P. Viana, \'E. Artigau, K. Al Moulla, A. Castro-Gonz\'alez, D. F. M. Folha, P. Figueira, T. Schmidt, F. Pepe, X. Dumusque, O. D. S. Demangeon, T. L. Campante, X. Delfosse, B. Wehbe, J. Lillo-Box, A. R. Costa Silva, J. Rodrigues, J. I. Gonz\'alez Hern\'andez, T. Azevedo Silva, S. Cristiani, H. M. Tabernero, E.…

A systematic bias in template-based RV extraction algorithms
In this paper we identify and explore a previously unidentified, multi meter-per-second, systematic correlation between time and RVs inferred through TM and LBL methods. We evaluate the influence of the data-driven stellar template in the RV bias and hypothesize on the possible sources of this effect. We first use the s-BART pipeline to extract RVs from three different datasets gathered over four nights of ESPRESSO and HARPS observations. Then, we demonstrate that the effect can be recovered on…

Replaced article(s) found for cs.SI. https://arxiv.org/list/cs.SI/new
[1/1]:
- Who is driving the conversation? Analysing the nodality of British MPs and journalists on social ...
Chakraborty, Castro-Gonzalez, Margetts, Rajpal, Guariso, Bright

Anytime-Valid Tests for Sparse Anomalies
Muriel F. P\'erez-Ortiz, Rui M. Castro
https://arxiv.org/abs/2506.22588 https://arxiv.or…

Anytime-Valid Tests for Sparse Anomalies
We consider the problem of detection of sparse anomalies when monitoring a large number of data streams continuously in time. This problem is addressed using anytime-valid tests. In the context of a normal-means model and for a fixed sample, this problem is known to exhibit a nontrivial phase transition that characterizes when anomalies can and cannot be detected. We show, for the anytime-valid version of the problem, testing procedures that can detect the presence of anomalies quickly. Given t…

A Pareto-Based Sensitivity Analysis and Multiobjective Calibration Approach for Integrating Streamflow and Evaporation Data
Patricio Yeste, Lieke A. Melsen, Matilde Garc\'ia-Valdecasas Ojeda, Sonia R. G\'amiz-Fortis, Yolanda Castro-D\'iez, Mar\'ia Jes\'us Esteban-Parra
https://arxiv.org/abs/2506.23797

A Pareto-Based Sensitivity Analysis and Multiobjective Calibration Approach for Integrating Streamflow and Evaporation Data
Evaporation is gaining increasing attention as a calibration and evaluation variable in hydrologic studies that seek to improve the physical realism of hydrologic models and go beyond the long-established streamflow-only calibration. However, this trend is not yet reflected in sensitivity analyses aimed at determining the relevant parameters to calibrate, where streamflow has traditionally played a leading role. On the basis of a Pareto optimization approach, we propose a framework to integrate…

AGN with massive black holes have closer galactic neighbors: k-Nearest-Neighbor statistics of an unbiased sample of AGN at z~0.03
A. Mhatre, M. C. Powell, S. Yuan, S. W. Allen, T. Caglar, M. Koss, I. del Moral-Castro, K. Oh, A. Peca, C. Ricci, F. Ricci, A. Rojas, M. Signorini
https://arxiv.org/abs/2506.21705

AGN with massive black holes have closer galactic neighbors: k-Nearest-Neighbor statistics of an unbiased sample of AGN at z~0.03
The large-scale environments of active galactic nuclei (AGN) reveal important information on the growth and evolution of supermassive black holes (SMBHs). Previous AGN clustering measurements using 2-point correlation functions have hinted that AGN with massive black holes preferentially reside in denser cosmic regions than AGN with less-massive SMBHs. At the same time, little to no dependence on the accretion rate is found. However, the significance of such trends have been limited. Here we pr…

IT'S PRIDE MONTH, SSR!! We will be riding slow as usual, meeting new people, and enjoying an educational tour of some historical queer sites between the Castro, Mission, and SOMA.
Start Location: Dolores Park, 19th Street
Meetup: 10:30am Saturday, June 28th
Rollout: 11:00am

On miniature ultra-high-field commercial stellarator reactors with breeding external to resistive coils
V. Queral, E. Rincon, A. de Castro, A. Moro\~no, I. Fernandez-Berceruelo, I. Palermo, D. Spong, S. Cabrera, J. Varela
https://arxiv.org/abs/2505.23485

On miniature ultra-high-field commercial stellarator reactors with breeding external to resistive coils
The working parameters and challenges of transposed (breeding external to resistive coils) ultra-high-field pulsed commercial stellarator reactors of small plasma volume are studied. They may allow production of commercial heat and electricity in a tiny and simple device, and contribute to the knowledge on burning plasmas. The concept is based on the previous works (V. Queral et al.) performed for the high-field experimental fusion reactor i-ASTER (J. Fus. Energy 37 2018) and the recent Distrib…

BASS. XLIV. Morphological preferences of local hard X-ray selected AGN
Miguel Parra Tello, Franz E. Bauer, Demetra De Cicco, Goran Doll, Michael Koss, Ezequiel Treister, Carolina Finlez, Marco Troncoso, Connor Auge, I. del Moral-Castro, Aeeree Chung, Kriti K. Gupta, Jeein Kim, Kyuseok Oh, Claudio Ricci, Federica Ricci, Alejandra Rojas, Turgay Caglar, Fiona Harrison, Meredith C. Powell, Daniel Stern, Benny Trakhtenbrot, C. Megan Urry

BASS. XLIV. Morphological preferences of local hard X-ray selected AGN
We present morphological classifications for the hosts of 1189 hard X-ray selected (14-195 keV) active galactic nuclei (AGNs) from the Swift-BAT 105-month catalog as part of the BAT AGN Spectroscopic Survey (BASS). BASS provides a powerful all-sky census of nearby AGN, minimizing obscuration biases and providing a robust dataset for studying AGN-host galaxy connections. Classifications are based on volunteer-based visual inspection on the Zooniverse platform, adapted from Galaxy Zoo DECaLS (GZD…

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