Search Results - "Palacio, S del"

New Insights into the H ii Region G18.88-0.49: Hub-Filament System and Accreting Filaments by Dewangan, L. K., Ojha, D. K., Sharma, Saurabh, Palacio, S. del, Bhadari, N. K., Das, A.

“…We present an analysis of multiwavelength observations of an area of 0 27 × 0 27 around the Galactic H ii region G18.88−0.49, which is powered by an O-type…”
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The High-Energy Emission from HD 93129A Near Periastron by Palacio, S del, Garcia, F., Altamirano, D., Barbá, R H, Ramon, V. Bosch, Corcoran, M, Becker, M. De, Hamaguchi, K., Apellániz, J Maíz, Adrover, P. Munar, Paredes, J. M., Romero, G. E., Sana, H., Tavani, M., ud-Doula, A.

“…We conducted an observational campaign towards one of the most massive and luminous colliding wind binaries in the Galaxy, HD 93129A, close to its periastron…”
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Probing the Physical Conditions and Star Formation Processes in the Galactic H II Region S305 by Dewangan, L. K., Sharma, Saurabh, Pandey, Rakesh, Palacio, S. del, Ojha, D. K., Benaglia, P., Baug, T., Das, S. R.

“…We present multiscale and multiwavelength observations of the Galactic H ii region S305, which is excited by massive O8.5V and O9.5V stars. Infrared images…”
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PSR J0437-4715: The Argentine Institute of Radioastronomy 2019-2020 Observational Campaign by Sosa Fiscella, V., Palacio, S. del, Combi, L., Lousto, C. O., Combi, J. A., Gancio, G., García, F., Gutiérrez, E., Hauscarriaga, F., Kornecki, P., Armengol, F. G. López, Mancuso, G. C., Müller, A. L., Bunzel, A. Simaz

“…We present the first-year data set of high-cadence, long-duration observations of the bright millisecond pulsar J0437−4715 obtained in the Argentine Institute…”
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A shared accretion instability for black holes and neutron stars by Vincentelli, F. M., Neilsen, J., Tetarenko, A. J., Cavecchi, Y., Castro Segura, N., del Palacio, S., van den Eijnden, J., Vasilopoulos, G., Altamirano, D., Armas Padilla, M., Bailyn, C. D., Belloni, T., Buisson, D. J. K., Cúneo, V. A., Degenaar, N., Knigge, C., Long, K. S., Jiménez-Ibarra, F., Milburn, J., Muñoz Darias, T., Özbey Arabacı, M., Remillard, R., Russell, T.

“…Accretion disks around compact objects are expected to enter an unstable phase at high luminosity 1 . One instability may occur when the radiation pressure…”
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Bow shocks, nova shells, disc winds and tilted discs: the nova-like V341 Ara has it all by Castro Segura, N, Knigge, C, Acosta-Pulido, J A, Altamirano, D, del Palacio, S, Hernandez Santisteban, J V, Pahari, M, Rodriguez-Gil, P, Belardi, C, Buckley, D A H, Burleigh, M R, Childress, M, Fender, R P, Hewitt, D M, James, D J, Kuhn, R B, Kuin, N P M, Pepper, J, Ponomareva, A A, Pretorius, M L, Rodríguez, J E, Stassun, K G, Williams, D R A, Woudt, P A

“…ABSTRACT V341 Ara was recently recognized as one of the closest (d ≃ 150 pc) and brightest (V ≃ 10) nova-like cataclysmic variables. This unique system is…”
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Evidence for non-thermal X-ray emission from the double WR colliding-wind binary Apep by del Palacio, S, García, F, De Becker, M, Altamirano, D, Bosch-Ramon, V, Benaglia, P, Marcote, B, Romero, G. E

“…A&A 672, A109 (2023) Context: Massive colliding-wind binaries (CWBs) can be non-thermal sources. The emission produced in their wind-collision region (WCR)…”
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The non-thermal emission from the colliding-wind binary Apep by del Palacio, S, Benaglia, P, De Becker, M, Bosch-Ramon, V, Romero, G. E

“…Publ. Astron. Soc. Aust. 39 (2022) e004 The recently discovered massive binary system Apep is the most powerful synchrotron emitter among the known Galactic…”
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Exploring the physics behind the non-thermal emission from star-forming galaxies detected in gamma rays by Kornecki, P, Peretti, E, del Palacio, S, Benaglia, P, Pellizza, L. J

“…A&A 657, A49 (2022) Star-forming galaxies (SFGs) emit non-thermal radiation from radio to gamma-rays. We aim to investigate the main mechanisms of global CR…”
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Non-thermal emission in hyper-velocity and semi-relativistic stars by Martinez, J. R, del Palacio, S, Bosch-Ramon, V, Romero, G. E

“…A&A 661, A102 (2022) Context. There is a population of runaway stars that move at extremely high speeds with respect to their surroundings. The fast motion and…”
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Joint ALMA/X-ray monitoring of the radio-quiet type 1 AGN IC 4329A by Shablovinskaya, E, Ricci, C, Chang, C-S, Tortosa, A, del Palacio, S, Kawamuro, T, Aalto, S, Arzoumanian, Z, Balokovic, M, Bauer, F. E, Gendreau, K. C, Ho, L. C, Kakkad, D, Kara, E, Koss, M. J, Liu, T, Loewenstein, M, Mushotzky, R, Paltani, S, Privon, G. C, Smith, K, Tombesi, F, Trakhtenbrot, B

“…A&A 690, A232 (2024) The origin of a compact millimeter (mm, 100-250 GHz) emission in radio-quiet active galactic nuclei (RQ AGN) remains debated. Recent…”
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New insights in the HII region G18.88-0.49: hub-filament system and accreting filaments by Dewangan, L. K, Ojha, D. K, Sharma, Saurabh, del Palacio, S, Bhadari, N. K, Das, A

“…We present an analysis of multi-wavelength observations of an area of 0.27 deg x 0.27 deg around the Galactic HII region G18.88-0.49, which is powered by an…”
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A shared accretion instability for black holes and neutron stars by Vincentelli, F. M, Neilsen, J, Tetarenko, A. J, Cavecchi, Y, Segura, N. Castro, del Palacio, S, Eijnden, J. van den, Vasilopoulos, G, Altamirano, D, Padilla, M. Armas, Bailyn, C. D, Belloni, T, Buisson, D. J. K, Cuneo, V. A, Degenaar, N, Knigge, C, Long, K. S, Jimenez-Ibarra, F, Milburn, J, Darias, T. Muñoz, Arabaci, M. Ozbey, Remillard, R, Russell, T

“…Accretion disks around compact objects are expected to enter an unstable phase at high luminosity. One instability may occur when the radiation pressure…”
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The gamma-ray / infrared luminosity correlation of star-forming galaxies by Kornecki, P, Pellizza, L. J, del Palacio, S, Müller, A. L, Albacete-Colombo, J. F, Romero, G. E

“…A&A 641, A147 (2020) Context. Near a dozen star-forming galaxies have been detected in gamma-rays by the Fermi observatory in the last decade. A remarkable…”
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Probing the physical conditions and star formation processes in the Galactic HII region S305 by Dewangan, L. K, Sharma, Saurabh, Pandey, Rakesh, del Palacio, S, Ojha, D. K, Benaglia, P, Baug, T, Das, S. R

“…We present multi-scale and multi-wavelength observations of the Galactic HII region S305, which is excited by massive O8.5V and O9.5V stars. Infrared images…”
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Radio observations of evaporating objects in the Cygnus OB2 region by Isequilla, N. L, Fernandez-Lopez, M, Benaglia, P, Ishwara-Chandra, C. H, del Palacio, S

“…We present observations of the Cygnus OB2 region obtained with the Giant Metrewave Radio Telescope (GMRT) at the frequencies of 325 MHz and 610 MHz. In this…”
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PSR J0437-4715: The Argentine Institute of Radioastronomy 2019-2020 Observational Campaign by Fiscella, V. Sosa, del Palacio, S, Combi, L, Lousto, C. O, Combi, J. A, Gancio, G, García, F, Gutiérrez, E, Hauscarriaga, F, Kornecki, P, Armengo, F. G. López, Mancuso, G. C, Müller, A. L, Bunzel, A. Simaz

“…The Argentine Institute of Radio astronomy (IAR) is equipped with two single-dish 30-m radio antennas capable of performing daily observations of pulsars and…”
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A persistent ultraviolet outflow from an accreting neutron star binary transient by Segura, N. Castro, Knigge, C, Long, K. S, Altamirano, D, Padilla, M. Armas, Bailyn, C, Buckley, D. A. H, Buisson, D. J. K, Casares, J, Charles, P, Combi, J. A, Cúneo, V. A, Degenaar, N. D, del Palacio, S, Trigo, M. Díaz, Fender, R, Gandhi, P, Georganti, M, Gutiérrez, C, Santisteban, J. V. Hernandez, Jiménez-Ibarra, F, Matthews, J, Méndez, M, Middleton, M, Muñoz-Darias, T, Arabacı, M. Özbey, Pahari, M, Rhodes, L, Russell, T. D, Scaringi, S, Eijnden, J. van den, Vasilopoulos, G, Vincentelli, F. M, Wiseman, P

“…All disc-accreting astrophysical objects produce powerful outflows. In binaries containing neutron stars (NS) or black holes, accretion often takes place…”
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A persistent ultraviolet outflow from an accreting neutron star binary transient by Castro Segura, N., Knigge, C., Long, K. S., Altamirano, D., Armas Padilla, M., Bailyn, C., Buckley, D. A. H., Buisson, D. J. K., Casares, J., Charles, P., Combi, J. A., Cúneo, V. A., Degenaar, N. D., del Palacio, S., Díaz Trigo, M., Fender, R., Gandhi, P., Georganti, M., Gutiérrez, C., Hernandez Santisteban, J. V., Jiménez-Ibarra, F., Matthews, J., Méndez, M., Middleton, M., Muñoz-Darias, T., Özbey Arabacı, M., Pahari, M., Rhodes, L., Russell, T. D., Scaringi, S., van den Eijnden, J., Vasilopoulos, G., Vincentelli, F. M., Wiseman, P.

“…All disc-accreting astrophysical objects produce powerful disc winds. In compact binaries containing neutron stars or black holes, accretion often takes place…”
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Multi-zone non-thermal radiative model for stellar bowshocks by del Palacio, S, Bosch-Ramon, V, Müller, A. L, Romero, G. E

“…A&A 617, A13 (2018) Context: Runaway stars produce bowshocks that are usually observed at infrared (IR) wavelengths. Non-thermal radio emission has been…”
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