Minniti, D., Lucas, P.W., Emerson, J.P., Saito, R.K., Hempel, M., Pietrukowicz, P., ...
We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey will take 1929 h of...
A relativistic type Ibc supernova without a detected γ-ray burst (2010)
A. M. Soderberg, S. Chakraborti, G. Pignata, R. A. Chevalier, P. Chandra, A. Ray, ...
Scheduling in Targeted Transient Surveys and a New Telescope for CHASE (2010)
Francisco Förster, Nicolás López, José Maza, Petr Kubánek, G. Pignata
We present a method for scheduling observations in small field-of-view transient targeted surveys. The method is based on maximizing the probability of detection of transient events of a given type...
Scheduling in Targeted Transient Surveys and a New Telescope for CHASE (2010)
Francisco Förster, Nicolás López, José Maza, Petr Kubánek, G. Pignata
We present a method for scheduling observations in small field-of-view transient targeted surveys. The method is based on maximizing the probability of detection of transient events of a given type...
Minniti, D., Lucas, P. W., Emerson, J. P., Saito, R. K., Hempel, M., Pietrukowicz, P., ...
We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey will take 1929...
Rest, A., Foley, R. J., Gezari, S., Narayan, G., Draine, B., Olsen, K., ...
We report the discovery of a supernova (SN) with the highest apparent energy output to date and conclude that it represents an extreme example of the Type IIn subclass. The SN, which was discovered...
A Relativistic Type Ibc Supernova Without a Detected Gamma-ray Burst (2009)
Soderberg, A. M., Chakraborti, S., Pignata, G., Chevalier, R. A., Chandra, P., Ray, A., ...
Long duration gamma-ray bursts (GRBs) mark the explosive death of some massive stars and are a rare sub-class of Type Ibc supernovae (SNe Ibc). They are distinguished by the production of an...
The High-Metallicity Explosion Environment of the Relativistic Supernova 2009bb (2009)
Levesque, E. M., Soderberg, A. M., Foley, R. J., Berger, E., Kewley, L. J., Chakraborti, S., ...
We investigate the environment of the nearby (d ~ 40Mpc) broad-lined Type Ic supernova SN 2009bb. This event was observed to produce a relativistic outflow likely powered by a central accreting...
VISTA Milky Way Public Survey (2009)
Minniti, D., Lucas, P., Ahumada, A. V., Zoccali, M., Catelan, M., Morelli, L., ...
We propose a public IR variability survey, named ``Vista Variables in the VÃa Láctea'' (VVV), of the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is...
The CHilean Automatic Supernova sEarch (CHASE) (2008)
Pignata, G., Maza, J., Hamuy, M., Antezana, R., Gonzalez, L., Gonzalez, P., ...
The CHASE project started in 2007 with the aim of providing young southern supernovae (SNe) to the Carnegie Supernova Project (CSP) and Millennium Center for Supernova Studies (MCSS) follow-up...
Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Four Years (2008)
Foley, R. J., Matheson, T., Blondin, S., Chornock, R., Silverman, J. M., Challis, P., ...
We present the results of spectroscopic observations from the ESSENCE high-redshift supernova (SN) survey during its first four years of operation. This sample includes spectra of all SNe Ia whose...
Exploring the Outer Solar System with the ESSENCE Supernova Survey (2008)
Becker, A. C., Arraki, K., Kaib, N. A., Wood-Vasey, W. M., Aguilera, C., Blackman, J. W., ...
We report the discovery and orbit determination of 14 trans-Neptunian objects (TNOs) from the ESSENCE Supernova Survey difference imaging dataset. Two additional objects discovered in a similar...
Pignata, G., Benetti, S., Mazzali, P. A., Kotak, R., Patat, F., Meikle, P., ...
As part of the European Supernova Collaboration we obtained extensive photometry and spectroscopy of the type Ia SN 2002dj covering epochs from 11 days before to nearly two years after maximum....
Time Dilation in Type Ia Supernova Spectra at High Redshift (2008)
Blondin, S., Davis, T. M., Krisciunas, K., Schmidt, B. P., Sollerman, J., Wood-Vasey, W. M., ...
We present multiepoch spectra of 13 high-redshift Type Ia supernovae (SNe Ia) drawn from the literature, the ESSENCE and SNLS projects, and our own separate dedicated program on the ESO Very Large...
ESC Supernova spectroscopy of non-ESC targets (2008)
Harutyunyan, A. H., Pfahler, P., Pastorello, A., Taubenberger, S., Turatto, M., Cappellaro, E., ...
We present the spectra of 36 Supernovae (SNe) of various types, obtained by the European Supernova Collaboration. Because of the spectral classification and the phase determination at their discovery...
Spectral Identification of an Ancient Supernova using Light Echoes in the LMC (2008)
Rest, A., Matheson, T., Blondin, S., Bergmann, M., Welch, D. L., Suntzeff, N. B., ...
We report the successful identification of the type of the supernova responsible for the supernova remnant SNR 0509-675 in the Large Magellanic Cloud (LMC) using Gemini spectra of surrounding light...
Supernova rates from the Southern inTermediate Redshift ESO Supernova Search (STRESS) (2008)
Botticella, M. T., Riello, M., Cappellaro, E., Benetti, S., Altavilla, G., Pastorello, A., ...
The underluminous type Ia supernova 2005bl and the class of objects similar to SN 1991bg (2008)
Taubenberger, S., Hachinger, S., Pignata, G., Mazzali, P. A., Contreras, C., Valenti, S., ...
ESC supernova spectroscopy of non-ESC targets (2008)
Harutyunyan, A. H., Pfahler, P., Pastorello, A., Taubenberger, S., Turatto, M., Cappellaro, E., ...
Time Dilation in Type Ia Supernova Spectra at High Redshift (2008)
Blondin, S., Davis, T,M., Krisciunas, K., Schmidt, B.P., Sollerman, J., Wood-Vasey, W.M., ...
We present multiepoch spectra of 13 high-redshift Type Ia supernovae (SNe Ia) drawn from the literature, the ESSENCE and SNLS projects, and our own separate dedicated program on the ESO Very Large...
Exploring the outer solar system with the ESSENCE Supernova Survey (2008)
Becker, A. C., Arraki, K., Kaib, N. A., Wood-Vasey, W. M., Aguilera, C., Blackman, J. W., ...
We report the discovery and orbital determination of 14 trans-Neptunian objects (TNOs) from the ESSENCE Supernova Survey difference imaging data set. Two additional objects discovered in a similar...
The underluminous Type Ia Supernova 2005bl and the class of objects similar to SN 1991bg (2007)
Taubenberger, S., Hachinger, S., Pignata, G., Mazzali, P. A., Contreras, C., Valenti, S., ...
Optical observations of the Type Ia supernova (SN Ia) 2005bl in NGC 4070, obtained from -6 to +66 d with respect to the B-band maximum, are presented. The photometric evolution is characterised by...
Supernova rates from the Southern inTermediate Redshift ESO Supernova Search (STRESS) (2007)
Botticella, M. T., Riello, M., Cappellaro, E., Benetti, S., Altavilla, G., Pastorello, A., ...
To measure the supernova (SN) rates at intermediate redshift we performed the Southern inTermediate Redshift ESO Supernova Search (STRESS). Unlike most of the current high redshift SN searches, this...
Constraining Cosmic Evolution of Type Ia Supernovae (2007)
Foley, Ryan J., Filippenko, A. V., Aguilera, C., Becker, A. C., Blondin, S., Challis, P., ...
We present the first large-scale effort of creating composite spectra of high-redshift type Ia supernovae (SNe Ia) and comparing them to low-redshift counterparts. Through the ESSENCE project, we...
The early spectral evolution of SN 2004dt (2007)
Altavilla, G., Stehle, M., Ruiz-Lapuente, P., Mazzali, P., Pignata, G., Balastegui, A., ...
Aims. We study the optical spectroscopic properties of Type Ia Supernova (SN Ia) 2004dt, focusing our attention on the early epochs. Methods. Observation triggered soon after the SN 2004dt discovery...
ESC and KAIT Observations of the Transitional Type Ia SN 2004eo (2007)
Pastorello, A., Mazzali, P. A., Pignata, G., Benetti, S., Cappellaro, E., Filippenko, A. V., ...
We present optical and infrared observations of the unusual Type Ia supernova (SN) 2004eo. The light curves and spectra closely resemble those of the prototypical SN 1992A, and the luminosity at...
SN 2003du: 480 days in the Life of a Normal Type Ia Supernova (2007)
Stanishev, V., Goobar, A., Benetti, S., Kotak, R., Pignata, G., Navasardyan, H., ...
An extensive set of optical and NIR photometry and low-resolution spectra the Type Ia supernova (SN Ia) 2003du was obtained using a number of facilities. The observations started 13 days before...
ESC and KAIT Observations of the Transitional Type Ia SN 2004eo (2007)
Pastorello, A., Mazzali, P. A., Pignata, G., Benetti, S., Cappellaro, E., Filippenko, A. V., ...
We present optical and infrared observations of the unusual Type Ia supernova (SN) 2004eo. The light curves and spectra closely resemble those of the prototypical SN 1992A, and the luminosity at...
ESC observations of SN 2005cf. I. Photometric Evolution of a Normal Type Ia Supernova (2007)
Pastorello, A., Taubenberger, S., Elias-Rosa, N., Mazzali, P. A., Pignata, G., Cappellaro, E., ...
We present early-time optical and near-infrared photometry of supernova (SN) 2005cf. The observations, spanning a period from about 12 days before to 3 months after maximum, have been obtained...
Davis, T. M., Mortsell, E., Sollerman, J., Becker, A. C., Blondin, S., Challis, P., ...
The first cosmological results from the ESSENCE supernova survey (Wood-Vasey et al. 2007) are extended to a wider range of cosmological models including dynamical dark energy and non-standard...
Wood-Vasey, W. M., Miknaitis, G., Stubbs, C. W., Jha, S., Riess, A. G., Garnavich, P. M., ...
We present constraints on the dark energy equation-of-state parameter, w=P/(rho c^2), using 60 Type Ia supernovae (SNe Ia) from the ESSENCE supernova survey. We derive a set of constraints on the...
The ESSENCE Supernova Survey: Survey Optimization, Observations, and Supernova Photometry (2007)
Miknaitis, G., Pignata, G., Rest, A., Wood-Vasey, W. M., Blondin, S., Challis, P., ...
We describe the implementation and optimization of the ESSENCE supernova survey, which we have undertaken to measure the equation of state parameter of the dark energy. We present a method for...
ESC observations of SN 2005cf – I. Photometric evolution of a normal type Ia supernova (2007)
Pastorello, A., Taubenberger, S., Elias-Rosa, N., Mazzali, P. A., Pignata, G., Cappellaro, E., ...
ESC and KAIT observations of the transitional type Ia SN 2004eo (2007)
Pastorello, A., Mazzali, P. A., Pignata, G., Benetti, S., Cappellaro, E., Filippenko, A. V., ...
SN 2003du: 480 days in the life of a normal type Ia supernova (2007)
Stanishev, V., Goobar, A., Benetti, S., Kotak, R., Pignata, G., Navasardyan, H., ...
SN 2003du: 480 days in the life of a normal type Ia supernova. (2007)
Stanishev, V., Goobar, A., Benetti, S., Kotak, R., Pignata, G., Navasardyan, H., ...
The early spectral evolution of SN 2004dt (2007)
Altavilla, G., Stehle, M., Ruiz-Lapuente, P., Mazzali, P., Pignata, G., Balastegui, A., ...
The ESSENCE Supernova Survey: Survey optimization, observations, and supernova photometry (2007)
Miknaitis, G., Pignata, G., Rest, A., Wood‐Vasey, W. M., Blondin, S., Challis, P., ...
We describe the implementation and optimization of the ESSENCE supernova survey, which we have undertaken to measure the dark energy equation‐of‐state parameter, . We present a method for...
Miknaitis, G., Pignata, G., Rest, A., Wood-Vasey, W. M., Blondin, S., Challis, P., ...
The first cosmological results from the ESSENCE supernova survey (Wood‐Vasey and coworkers) are extended to a wider range of cosmological models including dynamical dark energy and nonstandard...
The ESSENCE Supernova Survey: Survey optimization, observations, and supernova photometry (2007)
Miknaitis, G., Pignata, G., Rest, A., Wood‐Vasey, W. M., Blondin, S., Challis, P., ...
We describe the implementation and optimization of the ESSENCE supernova survey, which we have undertaken to measure the dark energy equation‐of‐state parameter, . We present a method for...
Miknaitis, G., Pignata, G., Rest, A., Wood-Vasey, W. M., Blondin, S., Challis, P., ...
The first cosmological results from the ESSENCE supernova survey (Wood‐Vasey and coworkers) are extended to a wider range of cosmological models including dynamical dark energy and nonstandard...
Wood-Vasey, W. M., Miknaitis, G., Stubbs, C. W., Jha, S., Riess, A. G., Garnavich, P. M., ...
We present constraints on the dark energy equation-of-state parameter, w = P/(ρc2), using 60 SNe Ia from the ESSENCE supernova survey. We derive a set of constraints on the nature of the dark energy...
SN 2004aw: Confirming Diversity of Type Ic Supernovae (2006)
Taubenberger, S., Pastorello, A., Mazzali, P. A., Valenti, S., Pignata, G., Sauer, D. N., ...
Optical and near-infrared observations of the Type Ic supernova (SN) 2004aw are presented, obtained from day -3 to day +413 with respect to the B-band maximum. The photometric evolution is...
Anomalous extinction behaviour towards the Type Ia SN 2003cg (2006)
Elias-Rosa, N., Benetti, S., Cappellaro, E., Turatto, M., Mazzali, P. A., Patat, F., ...
We present optical and near-infrared photometry and spectroscopy of the Type Ia SN 2003cg, which exploded in the nearby galaxy NGC 3169. The observations cover a period between -8.5 and +414 days...
Anomalous extinction behaviour towards the Type Ia SN 2003cg (2006)
Elias-Rosa, N., Benetti, S., Cappellaro, E., Turatto, M., Mazzali, P. A., Patat, F., ...
SN 2004aw: confirming diversity of type Ic supernovae (2006)
Taubenberger, S., Pastorello, A., Mazzali, P. A., Valenti, S., Pignata, G., Sauer, D. N., ...
Using Line Profiles to Test the Fraternity of Type Ia Supernovae at High and Low Redshifts (2005)
Blondin, S., Dessart, L., Leibundgut, B., Branch, D., Hoeflich, P., Tonry, J. L., ...
Using archival data of low-redshift (z < 0.01) Type Ia supernovae (SN Ia) and recent observations of high-redshift (0.16 < z 1.7] SN Ia, which are also subluminous. In addition, we give the first...
High-Velocity Features: A Ubiquitous Property of Type Ia Supernovae (2005)
A. Mazzali, P., Benetti, S., Altavilla, G., Blanc, G., Cappellaro, E., Elias-Rosa, N., ...
Evidence of high-velocity features (HVFs) such as those seen in the near-maximum spectra of some Type Ia supernovae (SNe Ia; e.g., SN 2000cx) has been searched for in the available SN Ia spectra...
High-Velocity Features: a ubiquitous property of Type Ia SNe (2005)
Mazzali, P. A., Benetti, S., Altavilla, G., Blanc, G., Cappellaro, E., Elias-Rosa, N., ...
Evidence of high-velocity features such as those seen in the near-maximum spectra of some Type Ia Supernovae (eg SN 2000cx) has been searched for in the available SNIa spectra observed earlier than...
A Study of the Type II-P Supernova 2003gd in M74 (2005)
Hendry, M. A., Smartt, S. J., Maund, J. R., Pastorello, A., Zampieri, L., Benetti, S., ...
We present photometric and spectroscopic data of the type II-P supernova 2003gd, which was discovered in M74 close to the end of its plateau phase. SN 2003gd is the first type II supernova to have a...
High-Velocity Features: A Ubiquitous Property of Type Ia Supernovae (2005)
A. Mazzali, P., Benetti, S., Altavilla, G., Blanc, G., Cappellaro, E., Elias-Rosa, N., ...
Evidence of high-velocity features (HVFs) such as those seen in the near-maximum spectra of some Type Ia supernovae (SNe Ia; e.g., SN 2000cx) has been searched for in the available SN Ia spectra...
High-Velocity Features: A Ubiquitous Property of Type Ia Supernovae (2005)
A. Mazzali, P., Benetti, S., Altavilla, G., Blanc, G., Cappellaro, E., Elias-Rosa, N., ...
Evidence of high-velocity features (HVFs) such as those seen in the near-maximum spectra of some Type Ia supernovae (SNe Ia; e.g., SN 2000cx) has been searched for in the available SN Ia spectra...
High-velocity features: a ubiquitous property of type Ia supernovae (2005)
Mazzali, P. A., Benetti, S., Altavilla, G., Blanc, G., Cappellaro, E., Elias-Rosa, N., ...
The Diversity of Type Ia Supernovae: Evidence for Systematics? (2005)
Benetti, S., Cappellaro, E., Mazzali, P. A., Turatto, M., Altavilla, G., Bufano, F., ...
Spectroscopy of the type Ia supernova SN 2002er: Days -11 to +215 (2005)
Kotak, R., Meikle, W. P. S., Pignata, G., Stehle, M., Smartt, S. J., Benetti, S., ...
Optical and infrared observations of SN 2002dj: a twin of SN 2002bo (2005)
Pignata, G., Benetti, S., Buson, L., Hillebrandt, W., Leibundgut, B., Mazzali, P., ...
The diversity of Type Ia Supernovae: evidence for systematics? (2004)
Benetti, S., Cappellaro, E., Mazzali, P. A., Turatto, M., Altavilla, G., Bufano, F., ...
The photometric and spectroscopic properties of 26 well observed Type Ia Supernovae (SNeIa) were analyzed with the aim to explore SNIa diversity. The sample includes (Branch-)normal SNe as well as...
Photometric observations of the Type Ia SN 2002er in UGC 10743 (2004)
Pignata, G., Patat, F., Benetti, S., Blinnikov, S., Hillebrandt, W., Kotak, R., ...
Extensive light and colour curves for the Type Ia supernova (SN Ia) SN 2002er are presented as part of the European Supernova Collaboration. We have collected UBVRI photometry from 11 different...
Photometric Observations of the Type Ia SN 2002er in UGC 10743 (2004)
Pignata, G., Patat, F., Benetti, S., Blinnikov, S., Hillebrandt, W., Kotak, R., ...
Extensive light and colour curves for the Type Ia supernova SN 2002er are presented as part of the European Supernova Collaboration. We have collected UBVRI photometry from ten different telescopes...
ESC Observations of SN 2002er around Maximum Light (2004)
Pignata, G., Patat, F., Kotak, R., Meikle, P., Stritzinger, M., Hillebrandt, W.
We present preliminary results of the observational campaign on SN 2002er carried out by the European Supernova Collaboration (ESC). For this supernova the optical coverage from epochs -11 days to...
ESC obersvations of SN 2002er around maxium light (2004)
Pignata, G., Patat, F., Kotak, R., Meikle, P., Stritzinger, M., Hillebrandt, W.
Photometric observations of the Type Ia SN 2002er in UGC 10743 (2004)
Pignata, G., Patat, F., Benetti, S., Blinnikov, S., Hillebrandt, W., Kotak, R., ...
ADAS: Asiago-DLR Asteroid Survey (2003)
Barbieri, C., Bertini, I., Magrin, S., Salvadori, L., Calvani, M., Claudi, R., ...
The Asagio-DLR Asteroid Survey is the joint program among the Department of Astronomy and Astronomical Observatory of Padova and the DLR Berlin, dedicated to the search of asteroids. The Minor Planet...
The ADAS Inner Solar System Project (2002)
Hoffmann, M., Pignata, G., Barbieri, C.(Department Of Astronomy Of The University Of Padova, Padova, Italy), Bertini, I., Calvani, M., Claudi, R., ...
ADAS, the Asiago-DLR Asteroid Survey, is a joint program between the Department of Astronomy and Astronomical Observatory of Padova and the DLR Berlin, dedicated to the search of asteroids. The...