Search Results - "Cerrigone, L"

3D modelling of stellar auroral radio emission by Leto, P., Trigilio, C., Buemi, C. S., Umana, G., Ingallinera, A., Cerrigone, L.

“…The electron cyclotron maser is the coherent emission process that gives rise to the radio lighthouse effect observed in the hot magnetic chemically peculiar…”
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A scaling relationship for non-thermal radio emission from ordered magnetospheres: from the top of the main sequence to planets by Leto, P, Trigilio, C, Krtička, J, Fossati, L, Ignace, R, Shultz, M E, Buemi, C S, Cerrigone, L, Umana, G, Ingallinera, A, Bordiu, C, Pillitteri, I, Bufano, F, Oskinova, L M, Agliozzo, C, Cavallaro, F, Riggi, S, Loru, S, Todt, H, Giarrusso, M, Phillips, N M, Robrade, J, Leone, F

“…ABSTRACT In this paper, we present the analysis of incoherent non-thermal radio emission from a sample of hot magnetic stars, ranging from early-B to early-A…”
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A combined multiwavelength VLA/ALMA/Chandra study unveils the complex magnetosphere of the B-type star HR5907 by Leto, P, Trigilio, C, Oskinova, L M, Ignace, R, Buemi, C S, Umana, G, Ingallinera, A, Leone, F, Phillips, N M, Agliozzo, C, Todt, H, Cerrigone, L

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LOFAR imaging of Cygnus A – direct detection of a turnover in the hotspot radio spectra by McKean, J. P., Godfrey, L. E. H., Vegetti, S., Wise, M. W., Morganti, R., Hardcastle, M. J., Rafferty, D., Anderson, J., Avruch, I. M., Beck, R., Bell, M. E., van Bemmel, I., Bentum, M. J., Bernardi, G., Best, P., Blaauw, R., Bonafede, A., Breitling, F., Broderick, J. W., Brüggen, M., Cerrigone, L., Ciardi, B., de Gasperin, F., Deller, A., Duscha, S., Engels, D., Falcke, H., Fallows, R. A., Frieswijk, W., Garrett, M. A., Grießmeier, J. M., van Haarlem, M. P., Heald, G., Hoeft, M., Horst, A. J. van der, Iacobelli, M., Intema, H., Juette, E., Karastergiou, A., Kondratiev, V. I., Koopmans, L. V. E., Kuniyoshi, M., Kuper, G., van Leeuwen, J., Maat, P., Mann, G., Markoff, S., McFadden, R., McKay-Bukowski, D., Mulcahy, D. D., Munk, H., Nelles, A., Orru, E., Paas, H., Pandey-Pommier, M., Pietka, M., Pizzo, R., Polatidis, A. G., Reich, W., Röttgering, H. J. A., Rowlinson, A., Scaife, A. M. M., Serylak, M., Shulevski, A., Sluman, J., Smirnov, O., Steinmetz, M., Stewart, A., Swinbank, J., Tagger, M., Thoudam, S., Toribio, M. C., Vermeulen, R., Vocks, C., van Weeren, R. J., Wucknitz, O., Yatawatta, S., Zarka, P.

“…The low-frequency radio spectra of the hotspots within powerful radio galaxies can provide valuable information about the physical processes operating at the…”
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The polarization mode of the auroral radio emission from the early-type star HD 142301 by Leto, P, Trigilio, C, Oskinova, L M, Ignace, R, Buemi, C S, Umana, G, Cavallaro, F, Ingallinera, A, Bufano, F, Phillips, N M, Agliozzo, C, Cerrigone, L, Todt, H, Riggi, S, Leone, F

“…ABSTRACT We report the detection of the auroral radio emission from the early-type magnetic star HD 142301. New VLA observations of HD 142301 detected highly…”
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Evidence for radio and X-ray auroral emissions from the magnetic B-type star ρ Oph A by Leto, P, Trigilio, C, Leone, F, Pillitteri, I, Buemi, C S, Fossati, L, Cavallaro, F, Oskinova, L M, Ignace, R, Krtička, J, Umana, G, Catanzaro, G, Ingallinera, A, Bufano, F, Agliozzo, C, Phillips, N M, Cerrigone, L, Riggi, S, Loru, S, Munari, M, Gangi, M, Giarrusso, M, Robrade, J

“…Abstract We present new ATCA multiwavelength radio measurements (range 2.1–21.2 GHz) of the early-type magnetic star ρ Oph A, performed in 2019 March during…”
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The auroral radio emission of the magnetic B-type star ρ OphC by Leto, P, Trigilio, C, Buemi, C S, Leone, F, Pillitteri, I, Fossati, L, Cavallaro, F, Oskinova, L M, Ignace, R, Krtička, J, Umana, G, Catanzaro, G, Ingallinera, A, Bufano, F, Riggi, S, Cerrigone, L, Loru, S, Schilliró, F, Agliozzo, C, Phillips, N M, Giarrusso, M, Robrade, J

“…ABSTRACT The non-thermal radio emission of main-sequence early-type stars is a signature of stellar magnetism. We present multiwavelength (1.6–16.7 GHz) ATCA…”
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First Detection of Silicon-bearing Molecules in η Car by Bordiu, C., Rizzo, J. R., Bufano, F., Quintana-Lacaci, G., Buemi, C., Leto, P., Cavallaro, F., Cerrigone, L., Ingallinera, A., Loru, S., Riggi, S., Trigilio, C., Umana, G., Sciacca, E.

“…Abstract We present ALMA band 6 observations of the luminous blue variable η Car obtained within the ALMAGAL program. We report SiO J = 5 → 4, SiS J = 12 → 11,…”
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A warm molecular ring in AG Car: composing the mass-loss puzzle by Bordiu, C, Bufano, F, Cerrigone, L, Umana, G, Rizzo, J R, Buemi, C S, Leto, P, Cavallaro, F, Ingallinera, A, Loru, S, Trigilio, C, Riggi, S

“…ABSTRACT We present APEX observations of CO J = 3 → 2 and ALMA observations of CO J = 2 → 1, 13CO J = 2 → 1, and continuum towards the Galactic luminous blue…”
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SCORPIO: a deep survey of radio emission from the stellar life-cycle by Umana, G., Trigilio, C., Franzen, T. M. O., Norris, R. P., Leto, P., Ingallinera, A., Buemi, C. S., Agliozzo, C., Cavallaro, F., Cerrigone, L.

“…Radio emission has been detected in a broad variety of stellar objects from all stages of stellar evolution. However, most of our knowledge originates from…”
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Discovery and origin of the radio emission from the multiple stellar system KQ Vel by Leto, P, Oskinova, L M, Buemi, C S, Shultz, M E, Cavallaro, F, Trigilio, C, Umana, G, Fossati, L, Pillitteri, I, Krtička, J, Ignace, R, Bordiu, C, Bufano, F, Catanzaro, G, Cerrigone, L, Giarrusso, M, Ingallinera, A, Loru, S, Owocki, S P, Postnov, K A, Riggi, S, Robrade, J, Leone, F

“…ABSTRACT KQ Vel is a binary system composed of a slowly rotating magnetic Ap star with a companion of unknown nature. In this paper, we report the detection of…”
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Exploring the multifaceted circumstellar environment of the luminous blue variable HR Carinae by Buemi, C S, Trigilio, C, Leto, P, Umana, G, Ingallinera, A, Cavallaro, F, Cerrigone, L, Agliozzo, C, Bufano, F, Riggi, S, Molinari, S, Schilliro, F

“…We present a multiwavelength study of the Galactic luminous blue variable HR Carinae, based on new high-resolution mid-infrared (IR) and radio images obtained…”
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SCORPIO – II. Spectral indices of weak Galactic radio sources by Cavallaro, F., Trigilio, C., Umana, G., Franzen, T. M. O., Norris, R. P., Leto, P., Ingallinera, A., Buemi, C. S., Marvil, J., Agliozzo, C., Bufano, F., Cerrigone, L., Riggi, S.

“…Abstract In the next few years the classification of radio sources observed by the large surveys will be a challenging problem and spectral index is a powerful…”
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Searching for OH maser emission towards the MIPSGAL compact Galactic bubbles by Ingallinera, A., Trigilio, C., Leto, P., Umana, G., Buemi, C., Cerrigone, L., Agliozzo, C.

“…We conducted radio observations searching for OH 18-cm maser emission from a sample of 169 unclassified MIPSGAL compact Galactic bubbles. These sources are…”
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High-resolution Very Large Array observations of 18 MIPSGAL bubbles by Ingallinera, A., Trigilio, C., Leto, P., Umana, G., Buemi, C., Bufano, F., Agliozzo, C., Riggi, S., Flagey, N., Silva, K., Cerrigone, L., Cavallaro, F.

“…We present radio observations of 18 MIPSGAL bubbles performed at 5 GHz (6 cm) with the Karl G. Jansky Very Large Array in configuration B and BnA. The…”
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The Luminous Blue Variable RMC 127 as Seen with ALMA and ATCA by Agliozzo, C., Trigilio, C., Pignata, G., Phillips, N. M., Nikutta, R., Leto, P., Umana, G., Ingallinera, A., Buemi, C., Bauer, F. E., Paladini, R., Noriega-Crespo, A., Prieto, J. L., Massardi, M., Cerrigone, L.

“…We present ALMA and ATCA observations of the luminous blue variable RMC 127. The radio maps show for the first time the core of the nebula and evidence that…”
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From pre- to young planetary nebulae: radio continuum variability by Cerrigone, L., Trigilio, C., Umana, G., Buemi, C. S., Leto, P.

“…Searching for variability, we have observed a sample of hot post-asymptotic giant branch stars and young planetary nebula candidates with the Very Large Array…”
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Radio continuum properties of young planetary nebulae by Cerrigone, L., Umana, G., Trigilio, C., Leto, P., Buemi, C. S., Hora, J. L.

“…We have selected a small sample of post-AGB (Asymptotic Giant Branch) stars in transition towards the planetary nebula and present new Very Large Array…”
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ATCA observations of the very young Planetary Nebula SAO 244567 by Umana, G., Trigilio, C., Cerrigone, L., Buemi, C. S., Leto, P.

“…The radio emission from the youngest known Planetary Nebula, SAO 244567, has been mapped at 1384, 2368, 4800, 8640, 16832 and 18752 MHz by using the Australian…”
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Radio continuum properties of young planetary nebulae by Cerrigone, L., Umana, G., Trigilio, C., Leto, P., Buemi, C. S., Hora, J. L.

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