INAF - Osservatorio Astronomico di Roma（意大利国家天体物理研究所罗马天文台）；Università Tor Vergata, Dipartimento di Fisica（托尔维尔加塔大学物理系）；Astronomical Institute, Faculty for Physics and Astronomy, Ruhr University Bochum（鲁尔大学波鸿分校物理与天文学学院天文研究所）；Instituto de Astrofísica de Canarias and Departamento de Astrofísica, Universidad de La Laguna（加那利天体物理研究所和拉帕拉马大学天体物理学系）；Consejo Superior de Investigaciones Científicas (CSIC)（西班牙高等科学研究委员会）；Dipartimento di Fisica “M. Merlin（巴里大学和巴里理工大学“M.梅林”物理系）；Istituto Nazionale di Fisica Nucleare, Sezione di Bari（意大利国家核物理研究所巴里分部）
Andrea Simongini, Maria Kherlakian, Alicia López-Oramas, Josefa Becerra, Davide Cerasole
In this Letter, we present early emission data analysis of the tidal disruption event TDE 2025aarm, including optical, UV and X-ray data. At a redshift of z = 0.01368, TDE 2025aarm is the second closest TDE ever discovered, offering an unprecedented opportunity to study such phenomena in great details. We observed TDE 2025aarm in optical with the Liverpool Telescope for a total of three epochs, and complemented our dataset with ancillary spectroscopic and photometric data. The early optical spectra are characterized by a blue-continuum and helium, hydrogen and possibly Bowen lines typical of H+He events. The optical light curves peak at M_g ~ -18.68 mag and are well described by fallback of a M_star ~ 0.16 M_sun star onto a M_BH ~ 2x10^{7}M_sun black hole. We report Swift-XRT detection in the 0.3-10 keV range, with a total flux of F_X ~ 1.42x10^{-14} erg cm^{-2} s^{-1}, fitted by a black-body with k_BT ~ 0.39 keV. This makes TDE~2025aarm a new event among optical/UV bright TDEs detected in soft X-rays. Our analysis suggests that the early emission from TDE 2025aarm is powered by circularization shocks, and that the delayed accretion scenario best describes the observed features.
Aarmed with Data: Bumps, Outflows, and Disk-like Emission in TDE 2025aarm
University of Arizona（亚利桑那大学）；Queen’s University Belfast（贝尔法斯特女王大学）；Institute of Space Sciences (ICE-CSIC)（空间科学研究所（ICE-CSIC））；The University of Texas at Austin（德克萨斯大学奥斯汀分校）；Tel Aviv University（特拉维夫大学）；Technical University of Denmark（丹麦技术大学）；Gemini Observatory（双子座天文台）
AT2019cmw: A highly luminous, cooling featureless TDE candidate from the disruption of a high mass star in an early-type galaxy
Liverpool John Moores University（利物浦约翰摩尔斯大学）；Stockholm University（斯德哥尔摩大学）；Kyoto University（京都大学）；the University of Tokyo（东京大学）；University of California, Berkeley（加州大学伯克利分校）
Low-hard to high-soft spectral state transitions in the faintest early-X-ray-detected optical tidal disruption event TDE 2025aarm
Max-Planck-Institut für extraterrestrische Physik（马克斯·普朗克地外物理研究所）；University of California, Berkeley（加州大学伯克利分校）；Stanford University（斯坦福大学）；Technical University of Denmark（丹麦技术大学）；Institute of Space Sciences (ICE-CSIC)（空间科学研究所（ICE-CSIC））；University of Turku（图尔库大学）
First Pre-peak Ultraviolet Spectrum of a Tidal Disruption Event: A Fast Outflow Revealed Prior to Maximum Light in TDE2025aarm
University of California, Berkeley（加州大学伯克利分校）；Berkeley Center for Multi-messenger Research on Astrophysical Transients and Outreach (Multi-RAPTOR)（伯克利多信使天体物理瞬变与外展中心）；Kavli Institute for Particle Astrophysics and Cosmology（卡弗里粒子天体物理学与宇宙学研究所）
The Jetted Tidal Disruption Event AT2022cmc: Investigating Connections to the Optical Tidal Disruption Event Population and Spectral Subclasses Through Late-Time Follow-up
Early results in the search for extreme coronal line emitters with the Dark Energy Spectroscopic Instrument
University of Southampton（南安普顿大学）；Institute of Cosmology and Gravitation, University of Portsmouth（朴茨茅斯宇宙学与引力研究所）；American Museum of Natural History（美国自然历史博物馆）；University of California, Berkeley（加州大学伯克利分校）；Lawrence Berkeley National Laboratory（劳伦斯伯克利国家实验室）；Boston University（波士顿大学）；University of Rochester（罗切斯特大学）
Early Identification of Optical Tidal Disruption Events: A science module for the Fink broker
IRAP, Université de Toulouse, CNRS, CNES, UPS（图卢兹大学 IRAP）；Institute of Physics of the Czech Academy of Sciences（捷克科学院物理研究所）；The Oskar Klein Centre, Department of Astronomy, Stockholm University（斯德哥尔摩大学奥谢·克莱因中心天文学系）；European Space Agency (ESA), European Space Astronomy Centre (ESAC)（欧洲空间局欧洲空间天文中心）；Université Clermont Auvergne, CNRS, LPCA（克莱蒙奥弗涅大学 LPCA）；Université Paris-Saclay, CNRS/IN2P3, IJCLab（巴黎萨克雷大学 IJCLab）；Lomonosov Moscow State University, Sternberg Astronomical Institute（莫斯科罗蒙诺索夫国立大学斯滕伯格天文研究所）；Centre for Astrophysics and Supercomputing, Swinburne University of Technology（斯威本科技大学天体物理学与超级计算中心）
Wandering intermediate-mass black holes and off-nuclear tidal disruption events from early star clusters
Carnegie Mellon University（卡内基梅隆大学）；Massachusetts Institute of Technology（麻省理工学院）；Philipps Universität Marburg（马尔堡菲利普斯大学）；Rutgers, The State University of New Jersey（罗格斯大学）；Flatiron Institute（平顿研究所）；The University of Tokyo（东京大学）；Kavli Institute for the Physics and Mathematics of the Universe (WPI)（宇宙物理与数学研究 Kavli 研究所）
Tidal disruption event rates across cosmic time: forecasts for LSST, Roman, and JWST and their constraints on the supermassive black hole mass function
Johns Hopkins University（约翰斯·霍普金斯大学）；University of Maryland, College Park（马里兰大学帕克分校）
A Torus Remnant Revealed by the Infrared Echo of Tidal Disruption Event AT 2019qiz: Implications for the Missing Energy and Quasiperiodic Eruption Formation
Infrared observations reveal the reprocessing envelope in the tidal disruption event AT 2019azh
University of Turku（图尔库大学）；Niels Bohr Institute, University of Copenhagen（哥本哈根大学尼尔斯·玻尔研究所）；Cosmic Dawn Center (DAWN)（宇宙黎明中心）；University of Hong Kong（香港大学）；European University Cyprus（塞浦路斯欧洲大学）；Aalto University（阿尔托大学）；European Southern Observatory（欧洲南方天文台）；Universidad de Tarapacá（塔拉帕卡大学）；Tel Aviv University（特拉维夫大学）；Astronomical Observatory, University o（大学天文台）
X-ray Variability and Photosphere Evolution during Accretion Disk Formation in Tidal Disruption Events
California Institute of Technology（加州理工学院）；University of Virginia（弗吉尼亚大学）；The Observatories of the Carnegie Institution for Science（卡内基科学研究所天文台）；University of California, Davis（加州大学戴维斯分校）；Virginia Institute for Theoretical Astronomy（弗吉尼亚理论天文学研究所）；Flatiron Institute（平顿研究所）
Wind-mediated Eddington-limited emission in a $10^{4}M_\odot$ Black Hole Tidal Disruption Event
Leiden Observatory, Leiden University（莱顿天文台，莱顿大学）；Department of Astronomy, University of Wisconsin, Madison（威斯康星大学麦迪逊分校天文学系）；Racah Institute of Physics, The Hebrew University（拉卡赫物理研究所，希伯来大学）；Department of Physics and Columbia Astrophysics Laboratory, Columbia University（哥伦比亚大学物理系与哥伦比亚天体物理学实验室）
Rates of tidal disruption events from constrained cosmological simulations of the local Universe: population properties and implications for transient surveys
Ludwig-Maximilians Universität（路德维希-马克西米利安大学）；University of Oxford（牛津大学）；Max-Planck-Institut für Astrophysik（马克斯·普朗克天体物理学研究所）
The Light Curve of Wind-Reprocessed Tidal Disruption Events
The Observatories of the Carnegie Institution for Science（卡内基科学研究所天文台）；Department of Physics and Astronomy, University of California, Davis（加州大学戴维斯分校物理与天文学系）；Lawrence Livermore National Laboratory（劳伦斯利弗莫尔国家实验室）；Department of Astronomy and Theoretical Astrophysics Center, University of California, Berkeley（加州大学伯克利分校天文学与理论天体物理中心）；Nuclear Science Division, Lawrence Berkeley National Laboratory（劳伦斯伯克利国家实验室核科学处）；California Institute of Technology, TAPIR（加州理工学院 TAPIR）；University of California, Berkeley（加州大学伯克利分校）
