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Gall, C.Stritzinger, M.D.Ashall, C.Baron, E.Burns, C.R.Hoeflich, P.Hsiao, E.Y.Mazzali, P.A.Phillips, M.M.Filippenko, A.V.Anderson, J.P.Benetti, S.Brown, P.J.Campillay, A.Challis, P.Contreras, C.Elias De La Rosa, N.Folatelli, G.Foley, R.J.Fraser, M.Holmbo, S.Marion, G.H.Morrell, N.Pan, Y.-C.Pignata, G.Suntzeff, N.B.Taddia, F.Robledo, S.T.Valenti, S.[Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007on and SN 2011iv]Two transitional type Ia supernovae located in the Fornax cluster member NGC 1404: SN 2007on and SN 2011iv

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

The High Cadence Transient Survey (HiTS) aims to discover and study transient objects with characteristic timescales between hours and days, such as pulsating, eclipsing, and exploding stars. This survey represents a unique laboratory to explore large etendue observations from cadences of about 0...


Martínez-Palomera, J.Förster, F.Protopapas, P.Maureira, J.C.Lira, P.Cabrera-Vives, G.Huijse, P.Galbany, L.Jaeger, T.D.González-Gaitán, S.Medina, G.Pignata, G.Martín, J.S.Hamuy, M.Muñoz, R.R.[The High Cadence Transit Survey (HiTS): Compilation and Characterization of Light-curve Catalogs]The High Cadence Transit Survey (HiTS): Compilation and Characterization of Light-curve Catalogs

Tomasella, L.Cappellaro, E.Pumo, M.L.Jerkstrand, A.Benetti, S.Elias-Rosa, N.Fraser, M.Inserra, C.Pastorello, A.Turatto, M.Anderson, J.P.Galbany, L.Gutiérrez, C.P.Kankare, E.Pignata, G.Terreran, G.Valenti, S.Barbarino, C.Bauer, F.E.Botticella, M.T.Chen, T.-W.Gal-Yam, A.Harutyunyan, A.Howell, D.A.Maguire, K.Garoffolo, A.M.Ochner, P.Smartt, S.J.Schulze, S.Young, D.R.Zampieri, L.[SNe 2013K and 2013am: Observed and physical properties of two slow, normal Type IIP events]SNe 2013K and 2013am: Observed and physical properties of two slow, normal Type IIP events

We present the complete set of ultra-violet, optical and near-infrared photometry and spectroscopy for SN 2012ca, covering the period from 6 d prior to maximum light, until 531 d after maximum. The spectroscopic time series for SN 2012ca is essentially unchanged over 1.5 yr, and appear to be domi...


Inserra, C.Fraser, M.Smartt, S. J.Benetti, S.Chen, T.-W.Childress, M.Gal-Yam, A.Howell, D. A.Kangas, T.Pignata, G.Polshaw, J.Sullivan, M.Smith, K. W.Valenti, S.Young, D. R.Parker, S.Seccull, T.McCrum, M.[On Type IIn/Ia-CSM supernovae as exemplified by SN 2012ca]On Type IIn/Ia-CSM supernovae as exemplified by SN 2012ca

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 the nebula is strongly asymmetric with a Z-pattern shape. Hints of this morphology are also visible in the archival Hubble Space Telescope i...


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.[The Luminous Blue Variable RMC 127 as Seen with ALMA and ATCA]The Luminous Blue Variable RMC 127 as Seen with ALMA and ATCA

Ultraviolet (UV) observations of Type Ia supernovae (SNe Ia) probe the outermost layers of the explosion, and UV spectra of SNe Ia are expected to be extremely sensitive to differences in progenitor composition and the details of the explosion. Here, we present the first study of a sample of high...


Foley, Ryan J.Pan, Yen-ChenBrown, P.Filippenko, A. V.Fox, O. D.Hillebrandt, W.Kirshner, R. P.Marion, G. H.Milne, P. A.Parrent, J. T.Pignata, G.Stritzinger, M. D.[Ultraviolet diversity of Type Ia Supernovae]Ultraviolet diversity of Type Ia Supernovae

We present optical photometric and spectroscopic observations of the 1987A-like supernova (SN) 2009mw. Our BVRI and g ' r ' i ' z ' photometry covers 167 d of evolution, including the rise to the light-curve maximum, and ends just after the beginning of the linear tail phase. We compare the obser...


Takáts, K.Pignata, G.Bersten, M.Rojas Kaufmann, M. L.Anderson, J. P.Folatelli, G.Hamuy, M.Stritzinger, M.Haislip, J. B.LaCluyze, A. P.Moore, J. P.Reichart, D.[Optical photometry and spectroscopy of the 1987A-like supernova 2009mw]Optical photometry and spectroscopy of the 1987A-like supernova 2009mw

We present the VST Optical Imaging of the CDFS and ES1 Fields (VOICE) Survey, a VST INAF Guaranteed Time program designed to provide optical coverage of two 4 deg2 cosmic windows in the Southern hemisphere. VOICE provides the first, multi-band deep optical imaging of these sky regions, thus compl...


Vaccari, M.Covone, G.Radovich, M.Grado, A.Limatola, L.Botticella, M.T.Cappellaro, E.Paolillo, M.Pignata, G.De Cicco, D.Falocco, S.Marchetti, L.Brescia, M.S., CavuotiLongo, G.Capaccioli, M.Napolitano, N.Schipani, P.[The VOICE Survey : VST Optical Imaging of the CDFS and ES1 Fields]The VOICE Survey : VST Optical Imaging of the CDFS and ES1 Fields

We report the discovery of an enigmatic large-amplitude (ΔKs >10.5 mag) transient event in near-IR data obtained by the VISTA Variables in the Via Lactea (VVV) ESO Public Survey. The object (designated VVV-WIT- 06) is located at R.A.=17:07:18.917, decl.=-39:06:26.45 (J2000), corresponding to Gala...


Minniti, D.Saito, R.K.Forster, F.Pignata, G.Ivanov, V.D.Lucas, P.W.Beamin, J.C.Borissova, J.Catelan, M.Gonzalez, O.A.Hempel, M.Hsiao, E.Kurtev, R.Majaess, D.Masetti, N.Morrell, N.I.Phillips, M.M.Pullen, J.B.Rejkuba, M.Smith, L.Surot, F.Valenti, E.Zoccali, M.[The Emergence of the Infrared Transient VVV-WIT-06]The Emergence of the Infrared Transient VVV-WIT-06

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