EC-SNe from super-AGB progenitors: theoretical models vs. observations (2009)
Pumo, M. L., Turatto, M., Botticella, M. T., Pastorello, A., Valenti, S., Zampieri, L., ...
Using a parametric approach, we determine the configuration of super-AGB stars at the explosion as a function of the initial mass and metallicity, in order to verify if the EC-SN scenario involving a...
VLT Spectropolarimetry of the fast expanding Type Ia SN2006X (2009)
Patat, F., Baade, D., Hoeflich, P., Maund, J. R., Wang, L., Wheeler, J. C.
Using VLT-FORS1 we performed optical spectropolarimetric observations of the Type Ia SN2006X on 7 pre-maximum epochs (day -10 to day -1) and one post-maximum epoch (+39 days). The SN shows strong...
SN 2008S: an electron-capture SN from a super-AGB progenitor? (2009)
Botticella, M. T., Pastorello, A., Smartt, S. J., Meikle, W. P. S., Benetti, S., Kotak, R., ...
We present comprehensive photometric and spectroscopic observations of the faint transient SN 2008S discovered in the nearby galaxy NGC 6946. SN 2008S exhibited slow photometric evolution and almost...
The Early Asymmetries of Supernova 2008D / XRF 080109 (2009)
Maund, J. R., Wheeler, J. C., Baade, D., Patat, F., Hoflich, P. A., Wang, L., ...
Spectropolarimetry of the Type Ib SN 2008D, associated with the XRF 080109, at two separate epochs, are presented. The epochs of these observations correspond to V-band light curve maximum and 15...
Patat, F., Maund, J. R., Cappellaro, E., Harutyunyan, A., Turatto, M.
AIMS: The main goal of this work is to study possible signs of asymmetry in the bright optical transient in NGC300, with the aim of getting independent information on the explosion mechanism, the...
Nebular emission-line profiles of Type Ib/c supernovae – probing the ejecta asphericity (2009)
Taubenberger, S., Valenti, S., Benetti, S., Cappellaro, E., Della Valle, M., Elias-Rosa, N., ...
In order to assess qualitatively the ejecta geometry of stripped-envelope core-collapse supernovae (SNe), we investigate 98 late-time spectra of 39 objects, many of them previously unpublished. We...
Nebular emission-line profiles of Type Ib/c Supernovae - probing the ejecta asphericity (2009)
Taubenberger, S., Valenti, S., Benetti, S., Cappellaro, E., Della Valle, M., Elias-Rosa, N., ...
In order to assess qualitatively the ejecta geometry of stripped-envelope core-collapse supernovae, we investigate 98 late-time spectra of 39 objects, many of them previously unpublished. We perform...
SN 2008S: an electron capture SN from a super-AGB progenitor? (2009)
Botticella, M. T., Pastorello, A., Smartt, S. J., Meikle, W. P. S., Benetti, S., Kotak, R., ...
We present comprehensive photometric and spectroscopic observations of the faint transient SN 2008S discovered in NGC 6946. SN 2008S exhibited slow photometric evolution and almost no spectral...
Nebular emission-line profiles of type Ib/c supernovae – probing the ejecta asphericity (2009)
Taubenberger, S., Valenti, S., Benetti, S., Cappellaro, E., Della Valle, M., Elias-Rosa, N., ...
SN 2008S: an electron-capture SN from a super-AGB progenitor? (2009)
Botticella, M. T., Pastorello, A., Smartt, S. J., Meikle, W. P. S., Benetti, S., Kotak, R., ...
A Second Case of Variable Na I D Lines in a Highly-Reddened Type Ia Supernova (2008)
Blondin, S., Prieto, J. L., Patat, F., Challis, P., Hicken, M., Kirshner, R. P., ...
Recent high-resolution spectra of the Type Ia SN 2006X have revealed the presence of time-variable and blueshifted Na I D features, interpreted by Patat et al. as originating in circumstellar...
Interstellar atoms, molecules and diffuse bands toward SN2006X in M100 (2008)
Aims. Supernovae offer the unique possibility to probe diffuse extra-galactic sightlines via observation of the optical transitions of atoms, molecules and the diffuse interstellar bands (DIBs)....
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....
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...
The broad-lined type Ic supernova 2003jd (2008)
Valenti, S., Benetti, S., Cappellaro, E., Patat, F., Mazzali, P., Turatto, M., ...
The results of a worldwide coordinated observational campaign on the broad-lined Type Ic supernova (SN Ic) 2003jd are presented. In total, 74 photometric data points and 26 spectra were collected...
The Dancing Sky: 6 years of night sky observations at Cerro Paranal (2008)
The present work provides the results of the first six years of operation of the systematic night-sky monitoring at ESO-Paranal (Chile). The UBVRI night-sky brightness was estimated on about 10,000...
The broad-lined type Ic supernova 2003jd (2008)
Valenti, S., Benetti, S., Cappellaro, E., Patat, F., Mazzali, P., Turatto, M., ...
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 Carbon-rich type Ic SN 2007gr: the photospheric phase (2008)
Valenti, S., Elias-Rosa, N., Taubenberger, S., Stanishev, V., Agnoletto, I., Sauer, D., ...
ESC supernova spectroscopy of non-ESC targets (2008)
Harutyunyan, A. H., Pfahler, P., Pastorello, A., Taubenberger, S., Turatto, M., Cappellaro, E., ...
The carbon-rich type Ic SN 2007gr: the photospheric phase (2007)
Valenti, S., Elias-Rosa, N., Taubenberger, S., Stanishev, V., Agnoletto, I., Sauer, D., ...
The first two months of spectroscopic and photometric monitoring of the nearby type Ic SN 2007gr are presented. The very early discovery (less than 5 days after the explosion) and the relatively...
The Broad-lined Type Ic SN 2003jd (2007)
Valenti, S., Benetti, S., Cappellaro, E., Patat, F., Mazzali, P., Turatto, M., ...
The results of a world-wide coordinated observational campaign on the broad-lined Type Ic SN 2003jd are presented. In total, 74 photometric data points and 26 spectra were collected using 11...
A very faint core-collapse supernova in M85 (2007)
Pastorello, A., Della Valle, M., Smartt, S. J., Zampieri, L., Benetti, S., Cappellaro, E., ...
An anomalous transient in the early Hubble-type (S0) galaxy Messier 85 (M85) in the Virgo cluster was discovered by Kulkarni et al. (2007) on 7 January 2006 that had very low luminosity (peak...
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...
Spectropolarimetry of the Type IIb Supernova 2001ig (2007)
Maund, J. R., Wheeler, J. C., Patat, F., Wang, L., Baade, D., Hoflich, P. A.
We present spectropolarimetric observations of the Type IIb SN 2001ig in NGC 7424; conducted with the ESO VLT FORS1 on 2001 Dec 16, 2002 Jan 3 and 2002 Aug 16 or 13, 31 and 256 days post-explosion....
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...
Upper limit for circumstellar gas around the Type Ia SN 2000cx (2007)
Patat, F., Benetti, S., Justham, S., Mazzali, P. A., Pasquini, L., Cappellaro, E., ...
The nature of the companion stars in Type Ia Supernova (SNe) progenitor systems remains unclear. One possible way to discriminate between different scenarios is the presence (or absence) of...
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...
Detection of circumstellar material in a normal Type Ia Supernova (2007)
Patat, F., Chandra, P., Chevalier, R., Justham, S., Podsiadlowski, Ph., Wolf, C., ...
Type Ia supernovae are thought to be thermonuclear explosions of accreting white dwarfs that reach a critical mass limit. Despite their importance as cosmological distance indicators, the nature of...
Spectropolarimetry of the Type Ib/c SN 2005bf (2007)
Maund, J. R., Wheeler, J. C., Patat, F., Baade, D., Wang, L., Hoflich, P.
We present spectropolarimetric observations of the peculiar Type Ib/c SN 2005bf, in MCG+00-27-005, from 3600-8550\AA. The SN was observed on 2005 April 30.9, 18 days after the first B-band...
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...
A giant outburst two years before the core-collapse of a massive star (2007)
Pastorello, A., Smartt, S. J., Mattila, S., Eldridge, J. J., Young, D., Itagaki, K., ...
The death of massive stars produces a variety of supernovae, which are linked to the structure of the exploding stars. The detection of several precursor stars of Type II supernovae have been...
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...
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., ...
A giant outburst two years before the core-collapse of a massive star (2007)
Pastorello, A., Smartt, S. J., Mattila, S., Eldridge, J. J., Young, D., Itagaki, K., ...
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., ...
Detection of circumstellar material in a normal type Ia supernova (2007)
Patat, F., Chandra, P., Chevalier, R., Justham, S., Podsialkowski, P., Wolf, C., ...
A very faint core-collapse supernova in M85 (2007)
Pastorello, A., Della Valle, M., Smartt, S. J., Zampieri, L., Benetti, S., Cappellaro, E., ...
Upper limit for circumstellar gas around the type Ia SN 2000cx (2007)
Patat, F., Benetti, S., Justham, S., Mazzali, P. A., Pasquini, L., Cappellaro, E., ...
The early spectral evolution of SN 2004dt (2007)
Altavilla, G., Stehle, M., Ruiz-Lapuente, P., Mazzali, P., Pignata, G., Balastegui, A., ...
Photometry with FORS at the ESO VLT (2006)
Freudling, W., Romaniello, M., Patat, F., Moller, P., Jehin, E., O'Brien, K.
ESO's two FOcal Reducer and low dispersion Spectrographs (FORS) are the primary imaging cameras for the VLT. Since they are not direct-imaging cameras, the accuracy of photometry which can routinely...
An optical supernova associated with the X-ray flash XRF 060218 (2006)
Pian, E., Mazzali, P. A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., ...
Long-duration gamma-ray bursts (GRBs) are associated with type Ic supernovae(1) that are more luminous than average(2-5) and that eject material at very high velocities. Less-luminous supernovae were...
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...
UBVRI twilight sky brightness at ESO-Paranal (2006)
Patat, F., Ugolnikov, O., Postylyako, O.
Twilight studies have proved to be important tools to analyze the atmospheric structure with interesting consequences on the characterization of astronomical sites. Active discussions on this topic...
An optical supernova associated with the X-ray flash XRF 060218 (2006)
Pian, E., Mazzali, P. A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., ...
Long-duration gamma-ray bursts (GRBs) are associated with type Ic supernovae that are more luminous than average and that eject material at very high velocities. Less-luminous supernovae were not...
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...
Faint Supernovae and Supernova Impostors: Case studies of SN2002kg/NGC2403-V37 and SN 2003gm (2006)
Maund, J. R., Smartt, S. J., Pastorello, A., Nelemans, G., Bresolin, F., ...
Photometric and spectroscopic observations of the faint Supernovae (SNe) 2002kg and 2003gm, and their precursors, in NGC 2403 and NGC 5334 respectively, are presented. The properties of these SNe are...
Anomalous extinction behaviour towards the Type Ia SN 2003cg (2006)
Elias-Rosa, N., Benetti, S., Cappellaro, E., Turatto, M., Mazzali, P. A., Patat, F., ...
An optical supernova associated with the X-ray flash XRF 060218 (2006)
Pian, E., Mazzali, P. A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., ...
SN 2004aw: confirming diversity of type Ic supernovae (2006)
Taubenberger, S., Pastorello, A., Mazzali, P. A., Valenti, S., Pignata, G., Sauer, D. N., ...
An optical supernova associated with the X-ray flash XRF 060218 (2006)
Pian, E., Mazzali, P.A., Masetti, N., Ferrero, P., Klose, S., Palazzi, E., ...
Long-duration gamma-ray bursts (GRBs) are associated with type Ic supernovae that are more luminous than average and that eject material at very high velocities. Less-luminous supernovae were not...
Patat, F., Benetti, S., Cappellaro, E., Turatto, M.
In this paper we present and discuss the effects of scattered light echoes (LE) on the luminosity and spectral appearance of Type Ia Supernovae (SNe). After introducing the basic concepts of LE...
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...
Extinction Correction for Type Ia Supernova Rates. I. The Model (2005)
In this paper we present and discuss a new Monte Carlo approach aimed at correcting the observed Supernova (SN) rates for the effects of host galaxy dust extinction. The problem is addressed in a...
SN 1998A: Explosion of a Blue Supergiant (2005)
Pastorello, A., Baron, E., Branch, D., Zampieri, L., Turatto, M., Ramina, M., ...
We present spectroscopic and photometric observations of the peculiar Type II supernova (SN) 1998A. The light curves and spectra closely resemble those of SN 1987A, suggesting that the SN 1998A...
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...
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., ...
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., ...
SN 1998A: explosion of a blue supergiant (2005)
Pastorello, A., Baron, E., Branch, D., Zampieri, L., Turatto, M., Ramina, M., ...
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., ...
Probing the Type Ia environment with Light Echoes (2004)
In general, Light Echoes (LE) are beautiful, rather academical and therefore unavoidably useless phenomena. In some cases, however, they can give interesting information about the environment...
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...
Reflections on Reflexions: I. Light Echoes in Type Ia Supernovae (2004)
In the last ten years, observational evidences about a possible connection between Type Ia Supernovae (SNe) properties and the environment where they explode have been steadily growing. In this paper...
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...
Death rate of massive stars at redshift ~0.3 (2004)
Cappellaro, E., Riello, M., Altavilla, G., Botticella, M. T., Benetti, S., Clocchiatti, A., ...
We report the first result of a supernova search program designed to measure the evolution of the supernova rate with redshift. To make the comparison with local rates more significant we copied, as...
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...
Supernova 2002bo : inadequacy of the single parameter description (2004)
Benetti, S., Meikle, P., Stehle, M., Altavilla, G., Desidera, S., Folatelli, G., ...
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., ...
Supernova 2002bo: inadequacy of the single parameter description (2003)
Benetti, S., Meikle, P., Stehle, M., Altavilla, G., Desidera, S., Folatelli, G., ...
We present optical/near-infrared photometry and spectra of the type Ia SN 2002bo spanning epochs from -13 days before maximum B-band light to +102 days after. The pre-maximum optical coverage is...
Low Luminosity Type II Supernovae: Spectroscopic and Photometric Evolution (2003)
Pastorello, A., Zampieri, L., Turatto, M., Cappellaro, E., Meikle, W. P. S., Benetti, S., ...
In this paper we present spectroscopic and photometric observations for four core collapse supernovae (SNe), namely SNe 1994N, 1999br, 1999eu and 2001dc. Together with SN 1997D, we show that they...
A robust algorithm for sky background computation in CCD images (2003)
In this paper we present a non-interactive algorithm to estimate a representative value for the sky background on CCD images. The method we have devised uses the mode as a robust estimator of the...
Patat, F., Pastorello, A., Aceituno, J.
IAUC 8167 available courtesy of the Central Bureau for Astronomical Telegrams.
SN1999E: Another piece in the SN-GRB connection puzzle (2002)
Rigon, L., Turatto, M., Benetti, S., Pastorello, A., Cappellaro, E., Aretxaga, I., ...
Detailed optical and near-IR observations of SN 1999E have confirmed early suggestions that this supernova was indeed a twin of the peculiar type II SN 1997cy: it was exceptionally luminous and had...
An Intermediate Redshift Supernova Search at ESO: Reduction Tools and Efficiency Tests (2002)
Riello, M., Altavilla, G., Cappellaro, E., Benetti, S., Pastorello, A., Patat, F., ...
We present the reduction and archiving tools developed for our search for supernovae at intermediate redshifts at ESO as well as the efficiency tests performed. The data reduction recipes developed...
Photometry and Spectroscopy of the Type IIP SN 1999em from Outburst to Dust Formation (2002)
Elmhamdi, A., Danziger, I. J., Chugai, N., Pastorello, A., Turatto, M., Cappellaro, E., ...
We present photometry and spectra of the type IIP SN1999em in NGC 1637 from several days after the outburst till day 642. An amount of $\approx 0.02 M_{\odot}$ of ejected $^{56}$Ni is inferred using...
NGC 3628: Ejection Activity Associated with Quasars (2002)
Arp, H., Burbidge, E. M., Chu, Y., Flesch, E., Patat, F., Rupprecht, G.
NGC3628 is a well-studied starburst/low level AGN galaxy in the Leo Triplet noted for its extensive outgassed plumes of neutral hydrogen. QSOs are shown to be concentrated around NGC3628 and aligned...
Supernova 1998bw - The final phases (2002)
Sollerman, J., Holland, S. T., Challis, P., Fransson, C., Garnavich, P., Kirshner, R. P., ...
The probable association with GRB 980425 immediately put SN 1998bw at the forefront of supernova research. Here, we present revised late-time BVRI light curves of the supernova, based on template...
The Type IIn SN 1995G: Interaction with the CSM (2002)
Pastorello, A., Turatto, M., Benetti, S., Cappellaro, E., Danziger, I. J., Mazzali, P. A., ...
We present the photometric and spectroscopic evolution of the type IIn SN 1995G in NGC 1643, on the basis of 4 years of optical and infrared observations. This supernova shows very flat optical light...
NGC 3628: Ejection activity associated with quasars (2002)
Arp, H., Burbidge, E. M., Chu, Y., Flesch, E., Patat, F., Rupprecht, G.
NGC 3628 is a well-studied starburst/low level AGN galaxy in the Leo Triplet noted for its extensive outgassed plumes of neutral hydrogen. QSOs are shown to be concentrated around NGC 3628 and...
The nebular spectra of the hypernova SN 1998bw and evidence for asymmetry (2001)
Mazzali, P. A., Nomoto, K., Patat, F., Maeda, K.
The nebular spectra of the energetic Type Ic supernova SN1998bw (hypernova) are studied. The transition to the nebular phase occurred at an epoch of about 100 days after outburst, which is assumed to...
Star clusterings in the Carina complex: UBVRI photometry of NGC 3324 and Loden 165 (2001)
Carraro, G., Patat, F., Baumgardt, H.
We report on UBVRI photometry of two $5^{\prime} \times 5^{\prime}$ fields in the region of the young open cluster NGC 3324. One of our fields covers the core region, while the other is closer to the...
Detection of a light echo from SN1998bu (2001)
Cappellaro, E., Patat, F., Mazzali, P. A., Benetti, S., Danziger, J. I., Pastorello, A., ...
About 500d after explosion the light curve of the Type Ia SN1998bu suddenly flattened and at the same time the spectrum changed from the typical nebular emission to a blue continuum with broad...
The first year of optical-IR observations of SN1998bw (2001)
Danziger, I.J., Augusteijn, T., Brewer, J., Cappellaro, E., Doublier, V., Galama, T.J., ...
The Metamorphosis of SN 1998bw (2001)
Patat, F., Cappellaro, E., Danziger, I.J., Mazzali, P., Sollerman, J., Augusteijn, T., ...
Maeda, K., Nakamura, T., Nomoto, K., Mazzali, P. A., Patat, F., Hachisu, I.
Aspherical explosion models for the hypernova (hyper-energetic supernova) SN 1998bw are presented. Nucleosynthesis in aspherical explosions is examined with a two-dimensional hydrodynamical code and...
Benetti, S., Turatto, M., Balberg, S., Zampieri, L., Shapiro, S. L., Cappellaro, E., ...
We present a new set of spectroscopic and photometric data extending the observations of SN 1997D to over 400 days after the explosion. These observations confirm the peculiar properties of SN 1997D,...
The template type Ia supernova 1996X (2000)
Salvo, M. E., Cappellaro, E., Mazzali, P. A., Benetti, S., Danziger, I. J., Patat, F., ...
UBVRIJ photometry and optical spectra of the Type Ia SN 1996X obtained at ESO during a one-year-long observational campaign are presented, and supplemented by late time HST photometry....
The Properties of Hypernovae: SNe Ic 1998bw, 1997ef, and SN IIn 1997cy (2000)
Nomoto, K., Mazzali, P. A., Nakamura, T., Iwamoto, K., Maeda, K., Suzuki, T., ...
We discuss the properties of the hyper-energetic Type Ic supernovae (SNe Ic) 1998bw and 1997ef and Type IIn supernova (SN IIn) 1997cy. SNe Ic 1998bw and 1997ef are characterized by their large...
The first year of optical-IR observations of SNI 1998bw (2000)
Danziger, I.J., Augusteijn, T., Brewer, J., Cappellaro, E., Doublier, V., Galama, T.J., ...
The properties of Supernova 1997cy associated to GRB970514 (1999)
Turatto, M., Suzuki, T., Mazzali, P. A., Benetti, S., Cappellaro, E., Danziger, I. J., ...
The extraordinary SN 1997cy associated with GRB 970514 has been observed photometrically and spectroscopically for nearly 2 yr. At the time of discovery SN 1997cy was the brightest SN ever observed...
Magnitude, color and spectral type of Aql X-1 in quiescence (1999)
Chevalier, C., Ilovaisky, S. A., Leisy, P., Patat, F.
Direct I and V-band imaging of Aql X-1 in quiescence and during outburst maximum shows that the true optical counterpart is the interloper located 0.48" West of the previously known star. We find for...
On the possible association of SN 1998bw and GRB 980425 (1999)
Galama, T.J., Vreeswijk, P.M., Paradijs, J.A. Van, Kouveliotou, C., Augusteijn, T., Patat, F., ...
We here discuss the possibility that the peculiar supernova SN 1998bw and the Gamma-Ray Burst GRB 980425 are associated. If the two are related, the energy radiated in gamma rays is at least four...
A new faint Type Ia Supernova: SN 1997cn in NGC 5490 (1998)
Turatto, M., Piemonte, A., Benetti, S., Cappellaro, E., Mazzali, P. M., Danziger, I. J., ...
Observations of the recent SN 1991bg in the elliptical galaxy NGC 5490 show that this objects closely resembles, both photometrically and spectroscopically, the faint SNIa 1991bg. The two objects...
A `Hypernova' model for SN 1998bw associated with gamma-ray burst of 25 April 1998 (1998)
Iwamoto, K., Mazzali, P. A., Nomoto, K., Umeda, H., Nakamura, T., Patat, F., ...
The discovery of the peculiar supernova (SN) 1998bw and its possible association with the gamma-ray burst (GRB) 980425$^{1,2,3}$ provide new clues to the understanding of the explosion mechanism of...
Discovery of the peculiar supernova 1998bw in the error box of GRB980425 (1998)
Galama, T. J., Vreeswijk, P. M., Van Paradijs, J., Kouveliotou, C., Augusteijn, T., Hainaut, O. R., ...
The discovery of X-ray, optical and radio afterglows of gamma-ray bursts (GRBs) and the measurements of the distances to some of them have established that these events come from Gpc distances and...
An unusual supernova in the error box of the GRB of 25 April 1998 (1998)
Galama, T.J., Vreeswijk, P.M., Paradijs, J.A. Van, Kouveliotou, C., Augusteijn, T., Hainaut, O.R., ...
SNIa light curves and radioactive decay (1997)
Cappellaro, E., Mazzali, P. A., Benetti, S., Danziger, I. J., Turatto, M., Della Valle, M., ...
The absolute V light curves of 5 SNe Ia, selected to represent the known range of absolute luminosities at maximum for this class of objects, are presented. Comparison of the long term luminosity...
Supernova 1994aj: a probe for pre-supernova evolution and mass loss from the progenitor (1997)
Benetti, S., Cappellaro, E., Danziger, I. J., Turatto, M., Patat, F., Della Valle, M.
Extensive photometric and spectroscopic observations of SN1994aj until 540d after maximum light have been obtained. The photometry around maximum suggests that the SN belongs to the Type II Linear...
Massive stars running through space (1997)
Kaper, L., Loon, J.TH. Van, Augusteijn, T., Goudfrooij, P., Patat, F., ...
Discovery of a bow shock around Vela X-1 (1997)
Kaper, L., Loon, J.Th. Van, Augusteijn, T., Goudfrooij, P., Patat, F., ...
Turatto, M., Benetti, S., Cappellaro, E., Danziger, I. J., Della Valle, M., Gouiffes, C., ...
Observations of the peculiar type Ia SN~1991bg in NGC~4374 collected at ESO--La Silla and Asiago are presented and discussed. The broad--band light curves in the early months have a narrower peak and...
Patat, F., Barbon, R., Turatto, E. Cappellaro M.
Following recent claims regarding possible errors in the photometry of SNe carried out at Asiago observatory during the 70's, which produced very blue $(B-V)$ color at maximum for some objects, we...
Diridollou, S., Berson, M., Black, D., Gall, Y., Vaillant, L., Patat, F., ...
Pas de Résumé disponible
Impédance acoustique d'un liquide à la surface d'un quartz coupe AT (1994)
Tessier, L., Lethiecq, M., Certon, D., Patat, F.
Pas de Résumé disponible
Diridollou, S., Berson, M., Black, D., Gall, Y., Vaillant, L., Patat, F., ...
Pas de Résumé disponible
Impédance acoustique d'un liquide à la surface d'un quartz coupe AT (1994)
Tessier, L., Lethiecq, M., Certon, D., Patat, F.
Pas de Résumé disponible
Diridollou, S., Berson, M., Black, D., Gall, Y., Vaillant, L., Patat, F., ...
Pas de Résumé disponible
Impédance acoustique d'un liquide à la surface d'un quartz coupe AT (1994)
Tessier, L., Lethiecq, M., Certon, D., Patat, F.
Pas de Résumé disponible
Gaffney, F.A., Buckey, J.C., Lane, L.D., Hillebrecht, A., Schulz, H., Meyer, M., ...
We tested the hypothesis that adaptation to microgravity, simulated by a 10-day period of head-down tilt (HDT), alters the responses to an intravenous fluid load by causing a larger fraction of the...