G. Garavini

Publication List Details

Period

2002 - 2008

Number

69

Co-Authors

Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This...

Quantitative comparison between Type Ia supernova spectra at low and high redshifts: A case study (2008)

Garavini, G., Supernova Cosmology Project

We develop a method to measure the strength of the absorption features in type Ia supernova (SN Ia) spectra and use it to make a quantitative comparisons between the spectra of type Ia supernovae at...

Improved Cosmological Constraints from New, Old and Combined Supernova Datasets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new dataset of low-redshift nearby-Hubble-flow SNe and new analysis procedures to work with these heterogeneous compilations. This...

Measurement of Ωm, ΩΛ from a blind analysis of Type Ia supernovae with CMAGIC: Using color information to verify the acceleration of the Universe (2008)

A. Conley, G. Goldhaber, L. Wang, G. Aldering, R. Amanullah, E. D. Commins, ...

We present measurements of Ωm and ΩΛ from a blind analysis of 21 high redshift supernovae using a new technique (CMAGIC) for fitting the multicolor lightcurves of Type Ia supernovae, first...

Improved cosmological constraints from new, old, and combined supernova data sets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This...

Improved cosmological constraints from new, old, and combined supernova data sets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This...

Improved cosmological constraints from new, old, and combined supernova data sets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This...

ESC observations of SN 2005cf: II. Optical Spectroscopy and the high velocity features (2007)

Garavini, G., Nobili, S., Taubenberger, S., Pastorello, A., Elias-Rosa, N., Stanishev, V., ...

The ESC-RTN optical spectroscopy data-set for SN 2005cf is presented and analyzed. The observations range from -11.6 and +77.3 days with respect to B-band maximum light. The evolution of the spectral...

Spectroscopic observations of eight supernovae at intermediate redshift (2007)

Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...

We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...

Spectroscopic observations of eight supernovae at intermediate redshift (2007)

Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...

We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...

Spectroscopic observations of eight supernovae at intermediate redshift (2007)

Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...

We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...

Quantitative comparison between Type Ia supernova spectra at low and high redshifts: A case study (2007)

Garavini, G., Folatelli, G., Nobili, S., Aldering, G., Amanullah, R., Antilogus, P., ...

We develop a method to measure the strength of the absorption features in Type Ia supernova (SN Ia) spectra and use it to make a quantitative comparison between the spectra of Type Ia supernovae 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...

Spectroscopic observations of eight supernovae at intermediate redshift (2007)

Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...

We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...

Quantitative comparison between Type Ia supernova spectra at low and high redshifts: A case study (2007)

Garavini, G., Folatelli, G., Nobili, S., Aldering, G., Amanullah, R., Antilogus, P., ...

We develop a method to measure the strength of the absorption features in Type Ia supernova (SN Ia) spectra and use it to make a quantitative comparison between the spectra of Type Ia supernovae 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: II. Optical Spectroscopy and the high velocity features (2007)

Garavini, G., Nobili, S., Taubenberger, S., Pastorello, A., Stanishev, V., ...

The ESC-RTN optical spectroscopy data-set for SN 2005cf is presented and analyzed. The observations range from -11.6 and +77.3 days with respect to B-band maximum light. The evolution of the spectral...

Measurement of $\Omega_m$, $\Omega_{\Lambda}$ from a blind analysis of Type Ia supernovae with CMAGIC: Using color information to verify the acceleration of the Universe (2007)

Conley, A., Goldhaber, G., Wang, L., Aldering, G., Amanullah, R., Commins, E. D., ...

We present measurements of \Omega_m and \Omega_{\Lambda} from a blind analysis of 21 high-redshift supernovae using a new technique (CMAGIC) for fitting the multi-color lightcurves of Type Ia...

New Constraints on $\Omega_M$, $\Omega_\Lambda$, and w from an Independent Set of Eleven High-Redshift Supernovae Observed with HST (2007)

Knop, R. A., Aldering, G., Amanullah, R., Astier, P., Blanc, G., Burns, M. S., ...

We report measurements of $\Omega_M$, $\Omega_\Lambda$, and w from eleven supernovae at z=0.36-0.86 with high-quality lightcurves measured using WFPC-2 on the HST. This is an independent set of...

The Hubble Diagram of Type Ia Supernovae as a Function of Host Galaxy Morphology (2007)

Sullivan, M., Ellis, R. S., Aldering, G., Amanullah, R., Astier, P., Blanc, G., ...

(Abridged) We present new results on the Hubble diagram of distant type Ia supernovae (SNe Ia) segregated according to the type of host galaxy. This makes it possible to check earlier evidence for a...

Type Ia supernova rate at a redshift of ~ 0.1 (2006)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Type Ia supernova rate at a redshift of ~ 0.1 (2006)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Type Ia supernova rate at a redshift of ~ 0.1 (2006)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2006)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2006)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2006)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2006)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2006)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2006)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2006)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2006)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

Measurement of \Omega_m, \Omega_{\Lambda} from a blind analysis of Type Ia supernovae with CMAGIC: Using color information to verify the acceleration of the Universe (2006)

Conley, A., Goldhaber, G., Wang, L., Aldering, G., Amanullah, R., Commins, E. D., ...

We present measurements of \Omega_m and \Omega_{\Lambda} from a blind analysis of 21 high-redshift supernovae using a new technique (CMAGIC) for fitting the multi-color lightcurves of Type Ia...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2006)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2005)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The 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...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z ~0.5 (2005)

Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z ~; 0.5 (2005)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

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...

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2005)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2005)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra...

Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

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...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2005)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2005)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2005)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2005)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra...

Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

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...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2005)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2005)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Spectroscopic observations and analysis of the unusual type Ia SN 1999ac (2005)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2004)

Lidman, C., Howell, D. A., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Type Ia supernova rate at a redshift of ~ 0.1 (2004)

Blanc, G., Afonso, C., Alard, C., Albert, J. N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2004)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

Type Ia supernova rate at a redshift of ~ 0.1 (2004)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Type Ia supernova rate at a redshift of ~ 0.1 (2004)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Astronomy Astrophysics (2004)

C. Lidman, D. A. Howell, G. Folatelli, G. Garavini, S. Nobili, G. Aldering, ...

c ○ ESO 2005 Spectroscopic confirmation of high-redshift supernovae with the ESO VLT ⋆,⋆⋆

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2004)

G. Garavini, G. Folatelli, A. Goobar, S. Nobili, G. Aldering, A. Amadon, ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between−11 and+58 days with respect to B-band maximum...

Spectroscopic observations and analysis of the peculiar SN 1999aa (2003)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

New Constraints on $\Omega_M$, $\Omega_\Lambda$, and w from an Independent Set of Eleven High-Redshift Supernovae Observed with HST (2003)

Knop, R. A., Aldering, G., Amanullah, R., Astier, P., Blanc, G., Burns, M. S., ...

We report measurements of $\Omega_M$, $\Omega_\Lambda$, and w from eleven supernovae at z=0.36-0.86 with high-quality lightcurves measured using WFPC-2 on the HST. This is an independent set of...

The Hubble Diagram of Type Ia Supernovae as a Function of Host Galaxy Morphology (2002)

Sullivan, M., Ellis, R. S., Aldering, G., Amanullah, R., Astier, P., Blanc, G., ...

(Abridged) We present new results on the Hubble diagram of distant type Ia supernovae (SNe Ia) segregated according to the type of host galaxy. This makes it possible to check earlier evidence for a...