Search Results - "Robrade, J"

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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Coronal and Chromospheric Emission in A-type Stars by Günther, Hans Moritz, Melis, Carl, Robrade, J., Schneider, P. C., Wolk, Scott J., Yadav, Rakesh K.

“…Abstract Cool stars on the main sequence generate X-rays from coronal activity, powered by a convective dynamo. With increasing temperature, the convective…”
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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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Proxima Centauri – the nearest planet host observed simultaneously with AstroSat, Chandra, and HST by Lalitha, S, Schmitt, J H M M, Singh, K P, Schneider, P C, Parke Loyd, R O, France, K, Predehl, P, Burwitz, V, Robrade, J

“…ABSTRACT Our nearest stellar neighbour, Proxima Centauri, is a low-mass star with spectral type dM5.5 and hosting an Earth-like planet orbiting within its…”
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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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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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Stellar X‐ray accretion signatures by Schneider, P. C., Günther, H. M., Robrade, J.

“…Accretion is observed in a wide range of objects with partially overlapping properties. In this paper, we focus on accretion in young stars. Material impacting…”
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MN Lup: X-RAYS FROM A WEAKLY ACCRETING T TAURI STAR by Gunther, H M, Wolter, U, ROBRADE, J, Wolk, S J

“…Young T Tauri stars (TTS) are surrounded by an accretion disk, which over time disperses due to photoevaporation, accretion, and possibly planet formation. The…”
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SOFT CORONAL X-RAYS FROM β PICTORIS by GÜNTHER, H. M, WOLK, S. J, DRAKE, J. J, LISSE, C. M, ROBRADE, J, SCHMITT, J. H. M. M

“…A-type stars are expected to be X-ray dark, yet weak emission has been detected from several objects in this class. We present new Chandra/HRC-I observations…”
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Cool, warm and hot outflows from CTTS: The FUV view of DG Tau by Schneider, P. C., Eislöffel, J., Güdel, M., Günther, H.M., Herczeg, G., Robrade, J., Schmitt, J.H.M.M.

“…Classical T Tauri stars (CTTSs) drive strong outflows with temperatures from about 103 K up to a few 106 K. These outflows regulate the angular momentum…”
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SOFT CORONAL X-RAYS FROM {beta} PICTORIS by Guenther, H. M., Wolk, S. J., Drake, J. J., Lisse, C. M., Robrade, J., Schmitt, J. H. M. M.

“…A-type stars are expected to be X-ray dark, yet weak emission has been detected from several objects in this class. We present new Chandra/HRC-I observations…”
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Cool, warm and hot outflows from CTTS: The FUV view of DG Tau by Schneider, P C, Eisloffel, J, Gudel, M, Gunther, H M, Herczeg, G, Robrade, J, Schmitt, J HMM

“…Classical T Tauri stars (CTTSs) drive strong outflows with temperatures from about 10 super(3) K up to a few 10 super(6) K. These outflows regulate the angular…”
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The high-energy environment of the heavy sub-Earth GJ 367 b indicates likely complete evaporation of its atmosphere by Poppenhaeger, K, Ketzer, L, Ilic, N, Magaudda, E, Robrade, J, Stelzer, B, Schmitt, J. H. M. M, Schneider, P. C

“…A&A 689, A188 (2024) The planet GJ 367 b is a recently discovered high-density sub-Earth orbiting an M dwarf star. Its composition was modelled to be…”
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The SRG/eROSITA all-sky survey -- Identifying the coronal content with HamStar by Freund, S, Czesla, S, Predehl, P, Robrade, J, Salvato, M, Schneider, P. C, Starck, H, Wolf, J, Schmitt, J. H. M. M

“…The first eROSITA all-sky survey (eRASS1) performed on board the Spectrum-Roentgen-Gamma mission (SRG) provides more than 900,000 X-ray sources in the 0.2 -…”
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''Forbidden" stars in the eROSITA all-sky survey: X-ray emission from very late-type giants by Schmitt, J. H. M. M, Hünsch, M, Schneider, P. C, Freund, S, Czesla, S, Robrade, J, Schwope, A

“…A&A 688, A9 (2024) We present the results of the first X-ray all-sky survey (eRASS1) performed by the eROSITA instrument onboard the Spectrum-Roentgen-Gamma…”
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eROSITA X-ray scan of the eta Chamaeleontis cluster by Robrade, J, Czesla, S, Freund, S, Schmitt, J. H. M. M, Schneider, P. C

“…The nearby young open cluster eta Chamaeleontis has been observed by eROSITA/SRG during its CalPV phase for 150 ks. The eROSITA data were taken in the…”
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The eROSITA DR1 variability catalogue by Boller, Th, Freyberg, M, Buchner, J, Haberl, F, Maitra, C, Schwope, A, Robrade, J, Rau, A, Grotova, I, Waddell, S, Ni, Q, Salvato, M, Krumpe, M, Georgakakis, A, Merloni, A, Nandra, K

“…The extended ROentgen Survey with an Imaging Telescope Array (eROSITA) on board the Spectrum-Roentgen-Gamma (SRG) mission with its first All-Sky Survey…”
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SRG/eROSITA 3D mapping of the ISM using X-ray absorption spectroscopy by Gatuzz, E, Wilms, J, Zainab, A, Freund, S, Schneider, P. C, Robrade, J, Czesla, S, García, J. A, Kallmanınst, T. R

“…A&A 688, A207 (2024) We present a detailed study of the hydrogen density distribution in the local interstellar medium (ISM) using the X-ray absorption…”
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The stellar content of the ROSAT all-sky survey by Freund, S, Czesla, S, Robrade, J, Schneider, P. C, Schmitt, J. H. M. M

“…A&A 664, A105 (2022) We present and apply a method to identify the stellar content of the ROSAT all-sky survey (RASS). We performed a crossmatch between the…”
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Coronal and chromospheric emission in A-type stars by Günther, Hans Moritz, Melis, Carl, Robrade, J, Schneider, P. C, Wolk, Scott J, Yadav, Rakesh K

“…Cool stars on the main sequence generate X-rays from coronal activity, powered by a convective dynamo. With increasing temperature, the convective envelope…”
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