Search Results - "Gromadzki, M"

An outflow powers the optical rise of the nearby, fast-evolving tidal disruption event AT2019qiz by Nicholl, M, Wevers, T, Oates, S R, Alexander, K D, Leloudas, G, Onori, F, Jerkstrand, A, Gomez, S, Campana, S, Arcavi, I, Charalampopoulos, P, Gromadzki, M, Ihanec, N, Jonker, P G, Lawrence, A, Mandel, I, Schulze, S, Short, P, Burke, J, McCully, C, Hiramatsu, D, Howell, D A, Pellegrino, C, Abbot, H, Anderson, J P, Berger, E, Blanchard, P K, Cannizzaro, G, Chen, T-W, Dennefeld, M, Galbany, L, González-Gaitán, S, Hosseinzadeh, G, Inserra, C, Irani, I, Kuin, P, Müller-Bravo, T, Pineda, J, Ross, N P, Roy, R, Smartt, S J, Smith, K W, Tucker, B, Wyrzykowski, Ł, Young, D R

“…ABSTRACT At 66 Mpc, AT2019qiz is the closest optical tidal disruption event (TDE) to date, with a luminosity intermediate between the bulk of the population…”
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X-ray Quasi-Periodic Eruptions from Two Previously Quiescent Galaxies by Arcodia, R, Merloni, A, Nandra, K, Buchner, J, Salvato, M, Pasham, D, Remillard, R, Comparat, J, Lamer, G, Ponti, G, Malyali, A, Wolf, J, Arzoumanian, Z, Bogensberger, D, Buckley, D A H, Gendreau, K, Gromadzki, M, Kara, E, Krumpe, M, Markwardt, C, Ramos-Ceja, M E, Rau, A, Schramm, M, Schwope, A

“…Quasi-Periodic Eruptions (QPEs) are extreme high-amplitude bursts of X-ray radiation recurring every few hours and originating near the central supermassive…”
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ASASSN-18tb: a most unusual Type Ia supernova observed by TESS and SALT by Vallely, P J, Fausnaugh, M, Jha, S W, Tucker, M A, Eweis, Y, Shappee, B J, Kochanek, C S, Stanek, K Z, Chen, Ping, Dong, Subo, Prieto, J L, Sukhbold, T, Thompson, Todd A, Brimacombe, J, Stritzinger, M D, Holoien, T W-S, Buckley, D A H, Gromadzki, M, Bose, Subhash

“…ABSTRACT We present photometric and spectroscopic observations of the unusual Type Ia supernova ASASSN-18tb, including a series of Southern African Large…”
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Evidence for rapid disc formation and reprocessing in the X-ray bright tidal disruption event candidate AT 2018fyk by Wevers, T, Pasham, D R, van Velzen, S, Leloudas, G, Schulze, S, Miller-Jones, J C A, Jonker, P G, Gromadzki, M, Kankare, E, Hodgkin, S T, Wyrzykowski, Ł, Kostrzewa-Rutkowska, Z, Moran, S, Berton, M, Maguire, K, Onori, F, Mattila, S, Nicholl, M

“…ABSTRACT We present optical spectroscopic and Swift UVOT/XRT observations of the X-ray and UV/optical bright tidal disruption event (TDE) candidate AT…”
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The tidal disruption event AT 2018hyz – I. Double-peaked emission lines and a flat Balmer decrement by Short, P, Nicholl, M, Lawrence, A, Gomez, S, Arcavi, I, Wevers, T, Leloudas, G, Schulze, S, Anderson, J P, Berger, E, Blanchard, P K, Burke, J, Segura, N Castro, Charalampopoulos, P, Chornock, R, Galbany, L, Gromadzki, M, Herzog, L J, Hiramatsu, D, Horne, Keith, Hosseinzadeh, G, Howell, D Andrew, Ihanec, N, Inserra, C, Kankare, E, Maguire, K, McCully, C, Müller Bravo, T E, Onori, F, Sollerman, J, Young, D R

“…ABSTRACT We present results from spectroscopic observations of AT 2018hyz, a transient discovered by the All-Sky Automated Survey for Supernova survey at an…”
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VIRAC: the VVV Infrared Astrometric Catalogue by Smith, L. C., Lucas, P. W., Kurtev, R., Smart, R., Minniti, D., Borissova, J., Jones, H. R. A, Zhang, Z. H., Marocco, F., Contreras Peña, C., Gromadzki, M., Kuhn, M. A., Drew, J. E., Pinfield, D. J., Bedin, L. R.

“…Abstract We present VIRAC version 1, a near-infrared proper motion and parallax catalogue of the VISTA Variables in the Via Lactea (VVV) survey for 312  587 …”
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AT 2017gbl: a dust obscured TDE candidate in a luminous infrared galaxy by Kool, E C, Reynolds, T M, Mattila, S, Kankare, E, Pérez-Torres, M A, Efstathiou, A, Ryder, S, Romero-Cañizales, C, Lu, W, Heikkilä, T, Anderson, G E, Berton, M, Bright, J, Cannizzaro, G, Eappachen, D, Fraser, M, Gromadzki, M, Jonker, P G, Kuncarayakti, H, Lundqvist, P, Maeda, K, McDermid, R M, Medling, A M, Moran, S, Reguitti, A, Shahbandeh, M, Tsygankov, S, U, V, Wevers, T

“…ABSTRACT We present the discovery with Keck of the extremely infrared (IR) luminous transient AT 2017gbl, coincident with the Northern nucleus of the luminous…”
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Optical follow-up of the tidal disruption event iPTF16fnl: new insights from X-shooter observations by Onori, F, Cannizzaro, G, Jonker, P G, Fraser, M, Kostrzewa-Rutkowska, Z, Martin-Carrillo, A, Benetti, S, Elias-Rosa, N, Gromadzki, M, Harmanen, J, Mattila, S, Strizinger, M D, Terreran, G, Wevers, T

“…ABSTRACT We present the results from Nordic Optical Telescope and X-shooter follow-up campaigns of the tidal disruption event (TDE) iPTF16fnl, covering the…”
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SN 2023emq: A Flash-ionized Ibn Supernova with Possible C iii Emission by Pursiainen, M., Leloudas, G., Schulze, S., Charalampopoulos, P., Angus, C. R., Anderson, J. P., Bauer, F., Chen, T.-W., Galbany, L., Gromadzki, M., Gutiérrez, C. P., Inserra, C., Lyman, J., Müller-Bravo, T. E., Nicholl, M., Smartt, S. J., Tartaglia, L., Wiseman, P., Young, D. R.

“…Abstract SN 2023emq is a fast-evolving transient initially classified as a rare Type Icn supernova (SN), interacting with a H- and He-free circumstellar medium…”
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Accretion disc cooling and narrow absorption lines in the tidal disruption event AT 2019dsg by Cannizzaro, G, Wevers, T, Jonker, P G, Pérez-Torres, M A, Moldon, J, Mata-Sánchez, D, Leloudas, G, Pasham, D R, Mattila, S, Arcavi, I, Decker French, K, Onori, F, Inserra, C, Nicholl, M, Gromadzki, M, Chen, T-W, Müller-Bravo, T E, Short, P, Anderson, J P, Young, D R, Gendreau, K C, Arzoumanian, Z, Löwenstein, M, Remillard, R, Roy, R, Hiramatsu, D

“…ABSTRACT We present the results of a large multiwavelength follow-up campaign of the tidal disruption event (TDE) AT 2019dsg, focusing on low to high…”
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A comprehensive search for the radio counterpart of GW190814 with the Australian Square Kilometre Array Pathfinder by Dobie, D, Stewart, A, Hotokezaka, K, Murphy, Tara, Kaplan, D L, Buckley, D A H, Cooke, J, Ho, A Y Q, Lenc, E, Leung, J K, Gromadzki, M, O’Brien, A, Pintaldi, S, Pritchard, J, Wang, Y, Wang, Z

“…ABSTRACT We present results from a search for the radio counterpart to the possible neutron star–black hole merger GW190814 with the Australian Square…”
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Delayed appearance and evolution of coronal lines in the TDE AT2019qiz by Short, P, Lawrence, A, Nicholl, M, Ward, M, Reynolds, T M, Mattila, S, Yin, C, Arcavi, I, Carnall, A, Charalampopoulos, P, Gromadzki, M, Jonker, P G, Kim, S, Leloudas, G, Mandel, I, Onori, F, Pursiainen, M, Schulze, S, Villforth, C, Wevers, T

“…ABSTRACT Tidal disruption events (TDEs) occur when a star gets torn apart by a supermassive black hole as it crosses its tidal radius. We present late-time…”
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Discovery of the Longest-period Classical Cepheid in the Milky Way by Soszyński, I., Skowron, D. M., Udalski, A., Pietrukowicz, P., Gromadzki, M., Szymański, M. K., Skowron, J., Mróz, P., Poleski, R., Kozłowski, S., Iwanek, P., Wrona, M., Ulaczyk, K., Rybicki, K., Mróz, M.

“…Abstract We report the discovery of the classical Cepheid OGLE-GD-CEP-1884 (= GDS_J1535467-555656) with the longest pulsation period known in our Galaxy. The…”
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Supernova 2013by: a Type IIL supernova with a IIP-like light-curve drop by Valenti, S., Sand, D., Stritzinger, M., Howell, D. A., Arcavi, I., McCully, C., Childress, M. J., Hsiao, E. Y., Contreras, C., Morrell, N., Phillips, M. M., Gromadzki, M., Kirshner, R. P., Marion, G. H.

“…We present multiband ultraviolet and optical light curves, as well as visual-wavelength and near-infrared spectroscopy of the Type II linear (IIL) supernova…”
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Gaia 18dvy: A New FUor in the Cygnus OB3 Association by Szegedi-Elek, E., Ábrahám, P., Wyrzykowski, ., Kun, M., Kóspál, Á., Chen, L., Marton, G., Moór, A., Kiss, C., Pál, A., Szabados, L., Varga, J., Varga-Verebélyi, E., Andreas, C., Bachelet, E., Bischoff, R., Bódi, A., Breedt, E., Burgaz, U., Butterley, T., Carrasco, J. M., epas, V., Damljanovic, G., Gezer, I., Godunova, V., Gromadzki, M., Gurgul, A., Hardy, L., Hildebrandt, F., Hoffmann, S., Hundertmark, M., Ihanec, N., Janulis, R., Kalup, Cs, Kaczmarek, Z., Könyves-Tóth, R., Krezinger, M., Kruszy ska, K., Littlefair, S., Maskoli nas, M., Mészáros, L., Miko ajczyk, P., Mugrauer, M., Netzel, H., Ordasi, A., Pakštien, E., Rybicki, K. A., Sárneczky, K., Seli, B., Simon, A., Šiškauskait, K., Sódor, Á., Sokolovsky, K. V., Stenglein, W., Street, R., Szakáts, R., Tomasella, L., Tsapras, Y., Vida, K., Zdanavi ius, J., Zieli ski, M., Zieli ski, P., Zió kowska, O.

“…We present optical-infrared photometric and spectroscopic observations of Gaia 18dvy, located in the Cygnus OB3 association at a distance of 1.88 kpc. Gaia…”
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A Close Binary Lens Revealed by the Microlensing Event Gaia20bof by Bachelet, E., Rota, P., Bozza, V., Zieliński, P., Tsapras, Y., Hundertmark, M., Wambsganss, J., Wyrzykowski, Ł., Mikołajczyk, P. J., Street, R. A., Jaimes, R. Figuera, Cassan, A., Dominik, M., Buckley, D. A. H., Awiphan, S., Nakhaharutai, N., Zola, S., Rybicki, K. A., Gromadzki, M., Howil, K., Ihanec, N., Jabłońska, M., Kruszyńska, K., Pylypenko, U., Ratajczak, M., Sitek, M., Rabus, M.

“…During the last 25 yr, hundreds of binary stars and planets have been discovered toward the Galactic bulge by microlensing surveys. Thanks to a new generation…”
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The nuclear transient AT 2017gge: a tidal disruption event in a dusty and gas-rich environment and the awakening of a dormant SMBH by Onori, F, Cannizzaro, G, Jonker, P G, Kim, M, Nicholl, M, Mattila, S, Reynolds, T M, Fraser, M, Wevers, T, Brocato, E, Anderson, J P, Carini, R, Charalampopoulos, P, Clark, P, Gromadzki, M, Gutiérrez, C P, Ihanec, N, Inserra, C, Lawrence, A, Leloudas, G, Lundqvist, P, Müller-Bravo, T E, Piranomonte, S, Pursiainen, M, Rybicki, K A, Somero, A, Young, D R, Chambers, K C, Gao, H, de Boer, T J L, Magnier, E A

“…ABSTRACT We present the results from a dense multwavelength [optical/UV, near-infrared (IR), and X-ray] follow-up campaign of the nuclear transient AT 2017gge,…”
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Transitional events in the spectrophotometric regime between stripped envelope and superluminous supernovae by Prentice, S J, Inserra, C, Schulze, S, Nicholl, M, Mazzali, P A, Vergani, S D, Galbany, L, Anderson, J P, Ashall, C, Chen, T W, Deckers, M, Delgado Mancheño, M, González Díaz, R, González-Gaitán, S, Gromadzki, M, Gutiérrez, C P, Harvey, L, Kozyreva, A, Magee, M R, Maguire, K, Müller-Bravo, T E, Muñoz Torres, S, Pessi, P J, Sollerman, J, Teffs, J, Terwel, J H, Young, D R

“…ABSTRACT The division between stripped-envelope supernovae (SE-SNe) and superluminous supernovae (SLSNe) is not well-defined in either photometric or…”
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SN 2017gmr: An Energetic Type II-P Supernova with Asymmetries by Andrews, Jennifer E., Sand, D. J., Valenti, S., Smith, Nathan, Dastidar, Raya, Sahu, D. K., Misra, Kuntal, Singh, Avinash, Hiramatsu, D., Brown, P. J., Hosseinzadeh, G., Wyatt, S., Vinko, J., Anupama, G. C., Arcavi, I., Ashall, Chris, Benetti, S., Berton, Marco, Bostroem, K. A., Bulla, M., Burke, J., Chen, S., Chomiuk, L., Cikota, A., Congiu, E., Cseh, B., Davis, Scott, Elias-Rosa, N., Faran, T., Fraser, Morgan, Galbany, L., Gall, C., Gal-Yam, A., Gangopadhyay, Anjasha, Gromadzki, M., Haislip, J., Howell, D. A., Hsiao, E. Y., Inserra, C., Kankare, E., Kuncarayakti, H., Kouprianov, V., Kumar, Brajesh, Li, Xue, Lin, Han, Maguire, K., Mazzali, P., McCully, C., Milne, P., Mo, Jun, Morrell, N., Nicholl, M., Ochner, P., Olivares, F., Pastorello, A., Patat, F., Phillips, M., Pignata, G., Prentice, S., Reguitti, A., Reichart, D. E., Rodríguez, Ó., Rui, Liming, Sanwal, Pankaj, Sárneczky, K., Shahbandeh, M., Singh, Mridweeka, Smartt, S., Strader, J., Stritzinger, M. D., Szakáts, R., Tartaglia, L., Wang, Huijuan, Wang, Lingzhi, Wang, Xiaofeng, Wheeler, J. C., Xiang, Danfeng, Yaron, O., Young, D. R., Zhang, Junbo

“…We present high-cadence UV, optical, and near-infrared data on the luminous Type II-P supernova SN 2017gmr from hours after discovery through the first 180…”
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To TDE or not to TDE: the luminous transient ASASSN-18jd with TDE-like and AGN-like qualities by Neustadt, J M M, Holoien, T W-S, Kochanek, C S, Auchettl, K, Brown, J S, Shappee, B J, Pogge, R W, Dong, Subo, Stanek, K Z, Tucker, M A, Bose, S, Chen, Ping, Ricci, C, Vallely, P J, Prieto, J L, Thompson, T A, Coulter, D A, Drout, M R, Foley, R J, Kilpatrick, C D, Piro, A L, Rojas-Bravo, C, Buckley, D A H, Gromadzki, M, Dimitriadis, G, Siebert, M R, Do, A, Huber, M E, Payne, A V

“…ABSTRACT We present the discovery of ASASSN-18jd (AT 2018bcb), a luminous optical/ultraviolet(UV)/X-ray transient located in the nucleus of the galaxy…”
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