Search Results - "Spiniello, C."

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    Gravitationally lensed quasars in Gaia – IV. 150 new lenses, quasar pairs, and projected quasars by Lemon, C, Anguita, T, Auger-Williams, M W, Courbin, F, Galan, A, McMahon, R, Neira, F, Oguri, M, Schechter, P, Shajib, A, Treu, T, Agnello, A, Spiniello, C

    “…ABSTRACT We report the spectroscopic follow-up of 175 lensed quasar candidates selected using Gaia Data Release 2 observations following Paper III of this…”
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    New High-quality Strong Lens Candidates with Deep Learning in the Kilo-Degree Survey by Li, R., Napolitano, N. R., Tortora, C., Spiniello, C., Koopmans, L. V. E., Huang, Z., Roy, N., Vernardos, G., Chatterjee, S., Giblin, B., Getman, F., Radovich, M., Covone, G., Kuijken, K.

    Published in The Astrophysical journal (01-08-2020)
    “…We report new high-quality galaxy-scale strong lens candidates found in the Kilo-Degree Survey data release 4 using machine learning. We have developed a new…”
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    High-quality Strong Lens Candidates in the Final Kilo-Degree Survey Footprint by Li, R., Napolitano, N. R., Spiniello, C., Tortora, C., Kuijken, K., Koopmans, L. V. E., Schneider, P., Getman, F., Xie, L., Long, L., Shu, W., Vernardos, G., Huang, Z., Covone, G., Dvornik, A., Heymans, C., Hildebrandt, H., Radovich, M., Wright, A. H.

    Published in The Astrophysical journal (01-12-2021)
    “…Abstract We present 97 new high-quality strong lensing candidates found in the final ∼350 deg 2 that complete the full ∼1350 deg 2 area of the Kilo-Degree…”
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    STRIDES: a 3.9 per cent measurement of the Hubble constant from the strong lens system DES J0408−5354 by Shajib, A J, Birrer, S, Treu, T, Agnello, A, Buckley-Geer, E J, Chan, J H H, Christensen, L, Lemon, C, Lin, H, Millon, M, Poh, J, Rusu, C E, Sluse, D, Spiniello, C, Chen, G C-F, Collett, T, Courbin, F, Fassnacht, C D, Frieman, J, Galan, A, Gilman, D, More, A, Anguita, T, Auger, M W, Bonvin, V, McMahon, R, Meylan, G, Wong, K C, Abbott, T M C, Annis, J, Avila, S, Bechtol, K, Brooks, D, Brout, D, Burke, D L, Carnero Rosell, A, Carrasco Kind, M, Carretero, J, Castander, F J, Costanzi, M, da Costa, L N, De Vicente, J, Desai, S, Dietrich, J P, Doel, P, Drlica-Wagner, A, Evrard, A E, Finley, D A, Flaugher, B, Fosalba, P, García-Bellido, J, Gerdes, D W, Gruen, D, Gruendl, R A, Gschwend, J, Gutierrez, G, Hollowood, D L, Honscheid, K, Huterer, D, James, D J, Jeltema, T, Krause, E, Kuropatkin, N, Li, T S, Lima, M, MacCrann, N, Maia, M A G, Marshall, J L, Melchior, P, Miquel, R, Ogando, R L C, Palmese, A, Paz-Chinchón, F, Plazas, A A, Romer, A K, Roodman, A, Sako, M, Sanchez, E, Santiago, B, Scarpine, V, Schubnell, M, Scolnic, D, Serrano, S, Sevilla-Noarbe, I, Smith, M, Soares-Santos, M, Suchyta, E, Tarle, G, Thomas, D, Walker, A R, Zhang, Y

    “…ABSTRACT We present a blind time-delay cosmographic analysis for the lens system DES J0408−5354. This system is extraordinary for the presence of two sets of…”
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    THE NON-UNIVERSALITY OF THE LOW-MASS END OF THE IMF IS ROBUST AGAINST THE CHOICE OF SSP MODEL by Spiniello, C., Trager, S. C., Koopmans, L. V. E.

    Published in The Astrophysical journal (20-04-2015)
    “…ABSTRACT We perform a direct comparison of two state-of-the art single stellar population (SSP) models that have been used to demonstrate the non-universality…”
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    The X-Shooter Lens Survey - I. Dark matter domination and a Salpeter-type initial mass function in a massive early-type galaxy by Spiniello, C., Koopmans, L. V. E., Trager, S. C., Czoske, O., Treu, T.

    “…We present the first results from the X-Shooter Lens Survey: an analysis of the massive early-type galaxy SDSS J1148+1930 at redshift z= 0.444. We combine its…”
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    The star formation history and the nature of the mass–metallicity relation of passive galaxies at 1.0 < z < 1.4 from VANDELS by Saracco, P, Barbera, F La, De Propris, R, Bevacqua, D, Marchesini, D, De Lucia, G, Fontanot, F, Hirschmann, M, Nonino, M, Pasquali, A, Spiniello, C, Tortora, C

    “…ABSTRACT We derived stellar ages and metallicities [Z/H] for ∼70 passive early-type galaxies (ETGs) selected from VANDELS survey over the redshift range 1.0 <…”
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    The Fornax Cluster VLT Spectroscopic Survey II – Planetary Nebulae kinematics within 200 kpc of the cluster core by Spiniello, C, Napolitano, N R, Arnaboldi, M, Tortora, C, Coccato, L, Capaccioli, M, Gerhard, O, Iodice, E, Spavone, M, Cantiello, M, Peletier, R, Paolillo, M, Schipani, P

    “…Abstract We present the largest and most spatially extended planetary nebulae (PNe) catalogue ever obtained for the Fornax cluster. We measured velocities of…”
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    INSPIRE: INvestigating Stellar Population In RElics – IV. The initial mass function slope in relics by Martín-Navarro, Ignacio, Spiniello, C, Tortora, C, Coccato, L, D’Ago, G, Ferré-Mateu, A, Pulsoni, C, Hartke, J, Arnaboldi, M, Hunt, L, Napolitano, N R, Scognamiglio, D, Spavone, M

    “…ABSTRACT In the last decade, growing evidence has emerged supporting a non-universal stellar initial mass function (IMF) in massive galaxies, with a larger…”
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    Strong Lensing by Galaxies by Shajib, A. J., Vernardos, G., Collett, T. E., Motta, V., Sluse, D., Williams, L. L. R., Saha, P., Birrer, S., Spiniello, C., Treu, T.

    Published in Space science reviews (2024)
    “…Strong gravitational lensing at the galaxy scale is a valuable tool for various applications in astrophysics and cosmology. Some of the primary uses of…”
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    Spectroscopic confirmation and modelling of two lensed quadruple quasars in the Dark Energy Survey public footprint by Spiniello, C, Sergeyev, A V, Marchetti, L, Tortora, C, Napolitano, N R, Shalyapin, V, Agnello, A, Getman, F I, Vaccari, M, Serjeant, S, Koopmans, L V E, Baker, A J, Jarrett, T H, Covone, G, Vernardos, G

    “…ABSTRACT Quadruply lensed quasars are extremely rare objects, but incredibly powerful cosmological tools. Only few dozen are known in the whole sky. Here we…”
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