Search Results - "SORIA, Roberto"

Spectra of black hole accretion models of ultraluminous X-ray sources by Narayan, Ramesh, Sa̧dowski, Aleksander, Soria, Roberto

“…Abstract We present general relativistic radiation magnetohydrodynamics simulations of super-Eddington accretion on a 10 M⊙ black hole. We consider a range of…”
Get full text

Ultraluminous X-ray sources in the Chandra and XMM-Newton era by Feng, Hua, Soria, Roberto

“…Ultraluminous X-ray sources (ULXs) are accreting black holes that may contain the missing population of intermediate mass black holes or reflect…”
Get full text

Revisiting the ultraluminous supersoft source in M 101: an optically thick outflow model by Soria, Roberto, Kong, Albert

“…The M 101 galaxy contains the best-known example of an ultraluminous supersoft source (ULS), dominated by a thermal component at kT ≈ 0.1 keV. The origin of…”
Get full text

Expected intermediate-mass black holes in the Virgo cluster. I. Early-type galaxies by Graham, Alister W, Soria, Roberto

Get full text

On the Short-period Eclipsing High-mass X-Ray Binary in NGC 4214 by Lin, Zikun, Soria, Roberto, Swartz, Douglas A.

“…Abstract We present the results of our study of the luminous ( L X ≈ 10 39 erg s −1 ) X-ray binary CXOU J121538.2+361921 in NGC 4214, the high-mass X-ray…”
Get full text

DOES THE INTERMEDIATE-MASS BLACK HOLE IN LEDA 87300 (RGG 118) FOLLOW THE NEAR-QUADRATIC Mbh-Mspheroid RELATION? by Graham, Alister W., Ciambur, Bogdan C., Soria, Roberto

“…ABSTRACT The mass scaling relation between supermassive black holes and their host spheroids has previously been described by a quadratic or steeper relation…”
Get full text

A 300-parsec-long jet-inflated bubble around a powerful microquasar in the galaxy NGC 7793 by Pakull, Manfred W, Motch, Christian, Soria, Roberto

“…Black-hole accretion states near or above the Eddington luminosity (the point at which radiation force outwards overcomes gravity) are still poorly known…”
Get full text

A rapidly changing jet orientation in the stellar-mass black-hole system V404 Cygni by Miller-Jones, James C. A., Tetarenko, Alexandra J., Sivakoff, Gregory R., Middleton, Matthew J., Altamirano, Diego, Anderson, Gemma E., Belloni, Tomaso M., Fender, Rob P., Jonker, Peter G., Körding, Elmar G., Krimm, Hans A., Maitra, Dipankar, Markoff, Sera, Migliari, Simone, Mooley, Kunal P., Rupen, Michael P., Russell, David M., Russell, Thomas D., Sarazin, Craig L., Soria, Roberto, Tudose, Valeriu

“…Powerful relativistic jets are one of the main ways in which accreting black holes provide kinetic feedback to their surroundings. Jets launched from or…”
Get full text

CG X-1: An Eclipsing Wolf-Rayet ULX in the Circinus Galaxy by Qiu, Yanli, Soria, Roberto, Wang, Song, Wiktorowicz, Grzegorz, Liu, Jifeng, Bai, Yu, Bogomazov, Alexey, Stefano, Rosanne Di, Walton, Dominic J., Xu, Xiaojie

“…We investigated the time-variability and spectral properties of the eclipsing X-ray source Circinus Galaxy X-1 (GG X-1), using Chandra, XMM-Newton and ROSAT…”
Get full text

Outbursts of the intermediate-mass black hole HLX-1: a wind-instability scenario by Soria, Roberto, Musaeva, Aina, Wu, Kinwah, Zampieri, Luca, Federle, Sara, Urquhart, Ryan, van der Helm, Edwin, Farrell, Sean

“…Abstract We model the intermediate-mass black hole HLX-1, using the Hubble Space Telescope, XMM–Newton and Swift. We quantify the relative contributions of a…”
Get full text

Expected intermediate mass black holes in the Virgo cluster. II. Late-type galaxies by Graham, Alister W, Soria, Roberto, Davis, Benjamin L

Get full text

Identification of Intermediate-mass Black Hole Candidates among a Sample of Sd Galaxies by Davis, Benjamin L., Graham, Alister W., Soria, Roberto, Jin, Zehao, Karachentsev, Igor D., Karachentseva, Valentina E., D’Onghia, Elena

“…Abstract We analyzed images of every northern hemisphere Sd galaxy listed in the Third Reference Catalogue of Bright Galaxies with a relatively face-on…”
Get full text

The SiTian Project by Liu, Jifeng, Soria, Roberto, Wu, Xue-Feng, Wu, Hong, Shang, Zhaohui

“…SiTian is an ambitious ground-based all-sky optical monitoring project, developed by the Chinese Academy of Sciences. The concept is an integrated network of…”
Get full text

Discovery of two eclipsing X-ray binaries in M 51 by Wang, Song, Soria, Roberto, Urquhart, Ryan, Liu, Jifeng

“…Abstract We discovered eclipses and dips in two luminous (and highly variable) X-ray sources in M 51. One (CXOM51 J132943.3+471135) is an ultraluminous…”
Get full text

Phase-dependent Study of Near-infrared Disk Emission Lines in LB-1 by Liu, Jifeng, Zheng, Zheng, Soria, Roberto, Aceituno, Jesus, Zhang, Haotong, Lu, Youjun, Wang, Song, Hamann, Wolf-Rainer, Oskinova, Lida M., Ramachandran, Varsha, Yuan, Hailong, Bai, Zhongrui, Wang, Shu, McKee, Brendan J., Wu, Jianfeng, Wang, Junfeng, Lattanzi, Mario, Belczynski, Krzysztof, Casares, Jorge, Hernández, Jonay I. González, Rebolo, Rafael

“…The mass, origin, and evolutionary stage of the binary system LB-1 have been intensely debated, following the claim that it hosts an ∼70M black hole, in stark…”
Get full text

A Sensitive Search for Supernova Emission Associated with the Extremely Energetic and Nearby GRB 221009A by Srinivasaragavan, Gokul P., O’Connor, Brendan, Cenko, S. Bradley, Dittmann, Alexander J., Yang, Sheng, Sollerman, Jesper, Anupama, G. C., Barway, Sudhanshu, Bhalerao, Varun, Kumar, Harsh, Swain, Vishwajeet, Hammerstein, Erica, Holt, Isiah, Anand, Shreya, Andreoni, Igor, Coughlin, Michael W., Dichiara, Simone, Gal-Yam, Avishay, Miller, M. Coleman, Soon, Jaime, Soria, Roberto, Durbak, Joseph, Gillanders, James H., Laha, Sibasish, Moore, Anna M., Ragosta, Fabio, Troja, Eleonora

“…We report observations of the optical counterpart of the long gamma-ray burst GRB 221009A. Due to the extreme rarity of being both nearby (z = 0.151) and…”
Get full text

Radio lobes and X-ray hotspots in the microquasar S26 by Soria, Roberto, Pakull, Manfred W., Broderick, Jess W., Corbel, Stephane, Motch, Christian

“…We have studied the structure and energetics of the powerful microquasar/shock-ionized nebula S26 in NGC 7793, with particular focus on its radio and X-ray…”
Get full text

Swift J1727.8–1613 Has the Largest Resolved Continuous Jet Ever Seen in an X-Ray Binary by Wood, Callan M., Miller-Jones, James C. A., Bahramian, Arash, Tingay, Steven J., Prabu, Steve, Russell, Thomas D., Atri, Pikky, Carotenuto, Francesco, Altamirano, Diego, Motta, Sara E., Hyland, Lucas, Reynolds, Cormac, Weston, Stuart, Fender, Rob, Körding, Elmar, Maitra, Dipankar, Markoff, Sera, Migliari, Simone, Russell, David M., Sarazin, Craig L., Sivakoff, Gregory R., Soria, Roberto, Tetarenko, Alexandra J., Tudose, Valeriu

“…Abstract Multiwavelength polarimetry and radio observations of Swift J1727.8–1613 at the beginning of its recent 2023 outburst suggested the presence of a…”
Get full text

How rapidly do neutron stars spin at birth? Constraints from archival X-ray observations of extragalactic supernovae by Perna, Rosalba, Soria, Roberto, Pooley, Dave, Stella, Luigi

“…Traditionally, studies aimed at inferring the distribution of birth periods of neutron stars are based on radio surveys. Here we propose an independent method…”
Get full text

Optical counterpart of HLX-1 during the 2010 outburst by Soria, Roberto, Hakala, Pasi J., Hau, George K. T., Gladstone, Jeanette C., Kong, Albert K. H.

“…We studied the optical counterpart of the intermediate-mass black hole candidate HLX-1 in ESO 243−49. We used a set of Very Large Telescope imaging…”
Get full text