Search Results - "La Palombara, N"

Spectral properties of the soft excess pulsar RX J0059.2–7138 during its 2013 outburst by Sidoli, L., Palombara, N. La, Esposito, P., Tiengo, A., Mereghetti, S.

“…We report on an X-ray observation of the Be X-ray binary pulsar RX J0059.2–7138, performed by XMM–Newton in 2014 March. The 19 ks long observation was carried…”
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XTE J1906+090: a persistent low-luminosity Be X-ray binary by Sguera, V, Sidoli, L, Bird, A J, La Palombara, N

“…ABSTRACT We present new results from INTEGRAL and Swift observations of the hitherto poorly studied and unidentified X-ray source XTE J1906+090. A bright hard…”
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Multiwavelength investigation of the candidate Galactic PeVatron MGRO J1908+06 by Crestan, S, Giuliani, A, Mereghetti, S, Sidoli, L, Pintore, F, La Palombara, N

“…ABSTRACT The candidate PeVatron MGRO J1908+06, which shows a hard spectrum beyond 100 TeV, is one of the most peculiar γ-ray sources in the Galactic plane. Its…”
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New X-ray observations of the hot subdwarf binary HD 49798/RX J0648.0–4418 by Mereghetti, S, Pintore, F, Rauch, T, La Palombara, N, Esposito, P, Geier, S, Pelisoli, I, Rigoselli, M, Schaffenroth, V, Tiengo, A

“…ABSTRACT HD 49798/RX J0648.0–4418 is the only confirmed X-ray binary in which the mass donor is a hot subdwarf star of O spectral type and, most likely, it…”
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Spectral analysis of SMC X-2 during its 2015 outburst by La Palombara, N., Sidoli, L., Pintore, F., Esposito, P., Mereghetti, S., Tiengo, A.

“…We report on the results of XMM–Newton and Swift observations of SMC X-2 during its last outburst in 2015 October, the first one since 2000. The source reached…”
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X-Ray Observation of the Roche-lobe-filling White Dwarf plus Hot Subdwarf System ZTF J213056.71+442046.5 by Mereghetti, S., La Palombara, N., Kupfer, T., Marsh, T. R., Copperwheat, C. M., Deshmukh, K., Esposito, P., Maccarone, T., Pintore, F., Rigoselli, M., Rivera Sandoval, L., Tiengo, A.

“…Abstract ZTF J213056.71+442046.5 is the prototype of a small class of recently discovered compact binaries composed of a white dwarf and a hot subdwarf that…”
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Ultramassive, Fast-Spinning White Dwarf in a Peculiar Binary System by Mereghetti, S, Tiengo, A, Esposito, P, La Palombara, N, Israel, G.L, Stella, L

“…White dwarfs typically have masses in a narrow range centered at about 0.6 solar mass (M[middle dot in circle]). Only a few ultramassive white dwarfs (mass >…”
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X-ray emission from hot subdwarfs with compact companions by Mereghetti, S., La Palombara, N., Esposito, P., Tiengo, A.

“…We review the X-ray observations of hot subdwarf stars. While no X-ray emission has been detected yet from binaries containing B-type subdwarfs, interesting…”
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Spectral analysis of IGR J01572−7259 during its 2016 outburst by La Palombara, N, Esposito, P, Mereghetti, S, Pintore, F, Sidoli, L, Tiengo, A

“…Abstract We report on the results of the XMM–Newton observation of IGR J01572−7259 during its most recent outburst in 2016 May, the first since 2008. The…”
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Constraints on the winds of hot subdwarf stars from X-ray observations of two sdB binaries with compact companions: CD −30° 11223 and PG 1232–136 by Mereghetti, S., La Palombara, N., Esposito, P., Gastaldello, F., Tiengo, A., Heber, U., Geier, S., Wilms, J.

“…Little observational data are available on the weak stellar winds of hot subdwarf stars of B spectral type (sdB). Close binary systems composed of an sdB star…”
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X-RAY AND OPTICAL OBSERVATIONS OF THE UNIQUE BINARY SYSTEM HD 49798/RX J0648.0-4418 by MEREGHETTI, S, LA PALOMBARA, N, TIENGO, A, PIZZOLATO, F, ESPOSITO, P, WOUDT, P. A, ISRAEL, G. L, STELLA, L

“…We report the results of XMM-Newton observations of HD 49798/RX J0648.0-4418, the only known X-ray binary consisting of a hot sub-dwarf and a white dwarf. The…”
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Multiwavelength observations of the two unidentified EGRET sources 3EG J0616-3310 and 3EG J1249-8330 by La Palombara, N, Mignani, R P, Hatziminaoglou, E, Schirmer, M, Bignami, G F, Caraveo, P

“…Issue Title: The Multi-Messenger Approach to High-Energy Gamma-Ray Sources: Third Workshop on the Nature of Unidentified High-Energy Sources We report on the…”
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The Cherenkov optics qualification facilities at INAF-OAB laboratories by Sironi, G., Canestrari, R., Giro, E., La Palombara, N., Pareschi, G.

“…In the last decade the Osservatorio Astronomico di Brera of the Italain Institute for Astrophysics, INAF, got deeply involved in Cherenkov optics manufacturing…”
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Detection of the Crab Nebula with the 9.7 m prototype Schwarzschild-Couder telescope by Adams, C.B., Alfaro, R., Ambrosio, M., Aramo, C., Arlen, T., Batista, P.I., Benbow, W., Bertucci, B., Bissaldi, E., Biteau, J., Bitossi, M., Boiano, A., Bonavolontà, C., Bose, R., Bouvier, A., Brill, A., Brown, A.M., Buckley, J.H., Cameron, R.A., Canestrari, R., Capasso, M., Covault, C.E., Errando, M., Fegan, S., Feng, Q., Fiandrini, E., Foote, Juniper, Fortin, P., Funk, S., Furniss, A., Garfias, F., Gent, A., Giglietto, N., Giordano, F., Giro, E., González, M.M., Guarino, V., Halliday, R., Hervet, O., Holder, J., Hughes, G., Humensky, T.B., Ionica, M., Iriarte, A., Jin, W., Johnson, C.A., Kaaret, P., Kieda, D., Kim, B., Kuznetsov, A., Lapington, J.S., Licciulli, F., Loporchio, S., Masone, V., Meagher, K., Meures, T., Mode, B.A.W., Mognet, S.A.I., Mukherjee, R., Nguyen, T., Nieto, D., Okumura, A., Otte, N., La Palombara, N., Pantaleo, F.R., Paoletti, R., Pareschi, G., Petrashyk, A., Di Pierro, F., Pueschel, E., Reynolds, P.T., Ribeiro, D., Richards, G., Roache, E., Ross, D., Rousselle, J., Rugliancich, A., Ruíz-Díaz-Soto, J., Santander, M., Schlenstedt, S., Schneider, M., Shang, R., Stevenson, B., Stiaccini, L., Tajima, H., Taylor, L.P., Thornhill, J., Tovmassian, G., Vagelli, V., Valentino, M., Vassiliev, V.V., Di Venere, L., Wakely, S.P., Watson, J.J., White, R., Wilcox, P., Williams, D.A., Wood, M., Yu, P., Zink, A.

“…The Schwarzschild-Couder Telescope (SCT) is a telescope concept proposed for the Cherenkov Telescope Array. It employs a dual-mirror optical design to remove…”
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The optical/UV filters for the EPIC experiment by Villa, G.E., Barbera, M., Collura, A., La Palombara, N., Musso, C., Serio, S., Stillwell, R., Tognon, P., Turner, D.C.

“…EPIC, the European Photon Imaging Cameras is an experiment based on cooled CCDs on board the ESA X-ray Multi Mirrors satellite due to be launched in 1999…”
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Scientific prospects for a mini-array of ASTRI telescopes: A γ-ray TeV data challenge by Pintore, F., Giuliani, A., Belfiore, A., Paizis, A., Mereghetti, S., La Palombara, N., Crestan, S., Sidoli, L., Lombardi, S., D'Aì, A., Saturni, F.G., Caraveo, P., Burtovoi, A., Fiori, M., Boccato, C., Caccianiga, A., Costa, A., Cusumano, G., Gallozzi, S., Zampieri, L., Balmaverde, B., Tibaldo, L.

“…ASTRI is a project aiming at the realization of a γ-ray imaging Cherenkov telescope that observes the sky in the TeV band. Recently, the development of a…”
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XTE J1906+090: a persistent low luminosity Be X-ray Binary by Sguera, V, Sidoli, L, Bird, A. J, La Palombara, N

“…We present new results from INTEGRAL and Swift observations of the hitherto poorly studied and unidentified X-ray source XTE J1906+090. A bright hard X-ray…”
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News on the X-ray emission from hot subdwarf stars by La Palombara, N, Mereghetti, S

“…In latest years, the high sensitivity of the instruments on-board the XMM-Newton and Chandra satellites allowed us to explore the properties of the X-ray…”
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Follow-up observations of X-ray emitting hot subdwarf stars: the compact He-poor sdO star Feige 34 by La Palombara, N, Mereghetti, S, Esposito, P, Tiengo, A

“…A&A 626, A29 (2019) We report on results obtained with the XMM-Newton observation of Feige 34 carried out in April 2018. This is the first spectroscopic X-ray…”
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On the nature of the 2.4 hr-period eclipsing cataclysmic variable W2 in 47 Tuc by Amato, R, La Palombara, N, Imbrogno, M, Israel, G. L, Esposito, P, de Martino, D, Webb, N. A, Iaria, R

“…A&A 689, A176 (2024) W2 (CXOGlb J002415.8-720436) is a cataclysmic variable (CV) in the Galactic globular cluster 47 Tucanae. Its modulation was discovered…”
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