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SNhunt151 was initially classified as a supernova (SN) impostor (nonterminal outburst of a massive star). It exhibited a slow increase in luminosity, lasting about 450 d, followed by a major brightening that reaches M V ≈ -18 mag. No source is detected to M V ≳ -13 mag in archival images at the p...


Elias-Rosa, N.Benetti, S.Cappellaro, E.Pastorello, A.Terreran, G.Morales-Garoffolo, A.Howerton, S.C.Valenti, S.Kankare, E.Drake, A.J.Djorgovski, S.G.Tomasella, L.Tartaglia, L.Kangas, T.Ochner, P.Filippenko, A.V.Ciabattari, F.Geier, S.Howell, D.A.Isern, J.Leonini, S.Pignata, G.Turatto, M.[SNhunt151: An explosive event inside a dense cocoon]SNhunt151: An explosive event inside a dense cocoon

Smiljanic, R.Franciosini, E.Randich, S.Magrini, L.Bragaglia, A.Pasquini, L.Vallenari, A.Tautvaišienė, G.Biazzo, K.Frasca, A.Donati, P.Delgado Mena, E.Casey, A. R.Geisler, D.Villanova, S.Tang, B.Sousa, S. G.Gilmore, G.Bensby, T.François, P.Koposov, S. E.Lanzafame, A. C.Pancino, E.Recio-Blanco, A.Costado, M. T.Hourihane, A.Lardo, C.de Laverny, P.Lewis, J.Monaco, L.Morbidelli, L.Sacco, G. G.Worley, C. C.Zaggia, S.Martell, S.[The Gaia-ESO Survey: Inhibited extra mixing in two giants of the open cluster Trumpler 20?]The Gaia-ESO Survey: Inhibited extra mixing in two giants of the open cluster Trumpler 20?

Supernova (SN) iPTF13bvn in NGC 5806 was the first Type Ib SN to have been tentatively associated with a progenitor in pre-explosion images. We performed deep ultraviolet (UV) and optical Hubble Space Telescope observations of the SN site similar to 740 days after explosion. We detect an object i...


Folatelli, GastónVan Dyk, Schuyler D.Kuncarayakti, HanindyoMaeda, KeiichiBersten, Melina C.Nomoto, Ken'ichiPignata, GiulianoHamuy, MarioQuimby, Robert M.Zheng, WeiKangFilippenko, Alexei V.Clubb, Kelsey I.Smith, NathanElias-Rosa, NancyFoley, Ryan J.Miller, Adam A.[DISAPPEARANCE OF THE PROGENITOR OF SUPERNOVA iPTF13bvn]DISAPPEARANCE OF THE PROGENITOR OF SUPERNOVA iPTF13bvn

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 observations were aimed at understanding what kind of information high-resolution and high-sensitivity radio maps can supply on the circum-stellar...


Ingallinera, ATrigilio, CLeto, PUmana, GBuemi, CBufano, FAgliozzo, CRiggi, SFlagey, NSilva, KCerrigone, LCavallaro, F[High-resolution Very Large Array observations of 18 MIPSGAL bubbles]High-resolution Very Large Array observations of 18 MIPSGAL bubbles

We present observations of supernova (SN) 2008ge, which is spectroscopically similar to the peculiar SN 2002cx, and its pre-explosion site that indicate that its progenitor was probably a white dwarf. NGC 1527, the host galaxy of SN 2008ge, is an S0 galaxy with no evidence of star formation or ma...


Foley, Ryan J.Rest, ArminStritzinger, MaximilianPignata, GiulianoAnderson, Joseph P.Hamuy, MarioMorrell, Nidia I.Phillips, Mark M.Salgado, Francisco[On the progenitor and supernova of the sn 2002cx-like supernova 2008ge]On the progenitor and supernova of the sn 2002cx-like supernova 2008ge

Multiple populations revealed in globular clusters (GCs) are important windows to the formation and evolution of these stellar systems. The metal-rich GCs in the Galactic bulge are an indispensable part of this picture, but the high optical extinction in this region has prevented extensive resear...


Tang, BCohen, REGeisler, DSchiavon, RPMajewski, SRVillanova, SCarrera, RZamora, OGarcia-Hernandez, DAShetrone, MFrinchaboy, PMeza, AFernandez-Trincado, JGMunoz, RRLin, CCLane, RRNitschelm, CPan, KBizyaev, DOravetz, DSimmons, A[Two groups of red giants with distinct chemical abundances in the bulge globular cluster NGC 6553 through the eyes of APOGEE]Two groups of red giants with distinct chemical abundances in the bulge globular cluster NGC 6553 through the eyes of APOGEE

We show that non-magnetic models for the evolution of pre-main-sequence (PMS) stars cannot simultaneously describe the colour-magnitude diagram (CMD) and the pattern of lithium depletion seen in the cluster of young, low-mass stars surrounding gamma(2) Velorum. The age of 7.5 +/- 1 Myr inferred f...


Jeffries, RDJackson, RJFranciosini, ERandich, SBarrado, DFrasca, AKlutsch, ALanzafame, ACPrisinzano, LSacco, GGGilmore, GVallenari, AAlfaro, EJKoposov, SEPancino, EBayo, ACasey, ARCostado, MTDamiani, FHourihane, ALewis, JJofre, PMagrini, LMonaco, LMorbidelli, LWorley, CCZaggia, SZwitter, T[The Gaia-ESO Survey: lithium depletion in the Gamma Velorum cluster and inflated radii in low-mass pre-main-sequence stars]The Gaia-ESO Survey: lithium depletion in the Gamma Velorum cluster and inflated radii in low-mass pre-main-sequence stars

It is well known that massive stars (M > 8 M ) evolve up to the collapse of the stellar core, resulting in most cases in a supernova (SN) explosion. Their heterogeneity is related mainly to different configurations of the progenitor star at the moment of the explosion and to their immediate envir...


Elias-Rosa, N.Van Dyk, S.D.Benetti, S.Cappellaro, E.Smith, N.Kotak, R.Turatto, M.Filippenko, A.V.Pignata, G.Fox, O.D.Galbany, L.González-Gaitán, S.Miluzio, M.Monard, L.A.G.Ergon, M.[The Type IIn Supernova SN 2010bt: The Explosion of a Star in Outburst]The Type IIn Supernova SN 2010bt: The Explosion of a Star in Outburst

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