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20042021
most citedAstropy: A Community Python Package for Astronomy

14.6k citations · 22.2k across the 37 of their papers we have counts for

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21 papers · 1 filter

astro-ph.CO2021★ 16 cited

The HST See Change Program: I. Survey Design, Pipeline, and Supernova Discoveries

Brian Hayden, David Rubin, Kyle Boone +53

The See Change survey was designed to make cosmological measurements by efficiently discovering high-redshift Type Ia supernovae (SNe Ia) and improving cluster mass measureme…

astro-ph.CO2019★ 55 cited

SUGAR: An improved empirical model of Type Ia Supernovae based on spectral features

P. -F. Léget, E. Gangler, F. Mondon +40

Type Ia Supernovae (SNe Ia) are widely used to measure the expansion of the Universe. Improving distance measurements of SNe Ia is one technique to better constrain the acceleratio…

astro-ph.CO2018★ 66 cited

SNEMO: Improved Empirical Models for Type Ia Supernovae

C. Saunders, G. Aldering, P. Antilogus +39

Type Ia supernova cosmology depends on the ability to fit and standardize observations of supernova magnitudes with an empirical model. We present here a series of new models of Ty…

astro-ph.CO2018★ 158 cited

Strong Dependence of Type Ia Supernova Standardization on the Local Specific Star Formation Rate

M. Rigault, V. Brinnel, G. Aldering +40

As part of an on-going effort to identify, understand and correct for astrophysics biases in the standardization of Type Ia supernovae (SNIa) for cosmology, we have statistically c…

astro-ph.CO2018★ 14 cited

Correcting for peculiar velocities of Type Ia Supernovae in clusters of galaxies

P. -F. Léget, M. V. Pruzhinskaya, A. Ciulli +43

Type Ia Supernovae (SNe Ia) are widely used to measure the expansion of the Universe. To perform such measurements the luminosity and cosmological redshift () of the SNe Ia have…

astro-ph.CO2015★ 66 cited

Improving Cosmological Distance Measurements Using Twin Type Ia Supernovae

H. K. Fakhouri, K. Boone, G. Aldering +41

We introduce a method for identifying "twin" Type Ia supernovae, and using them to improve distance measurements. This novel approach to Type Ia supernova standardization is made p…

astro-ph.CO2015★ 99 cited

UNITY: Confronting Supernova Cosmology's Statistical and Systematic Uncertainties in a Unified Bayesian Framework

David Rubin, Greg Aldering, Kyle Barbary +12

While recent supernova cosmology research has benefited from improved measurements, current analysis approaches are not statistically optimal and will prove insufficient for future…

astro-ph.CO2014★ 18 cited

The Type Ia supernovae rate with Subaru/XMM-Newton Deep Survey

Jun E. Okumura, Yutaka Ihara, Mamoru Doi +15

We present measurements of the rates of high-redshift Type Ia supernovae derived from the Subaru/XMM-Newton Deep Survey (SXDS). We carried out repeat deep imaging observations with…

astro-ph.CO2013★ 47 cited

Lensed Type Ia Supernovae as Probes of Cluster Mass Models

J. Nordin, D. Rubin, J. Richard +19

Using three magnified Type Ia supernovae (SNe Ia) detected behind CLASH clusters, we perform a first pilot study to see whether standardizable candles can be used to calibrate clus…

astro-ph.CO2012★ 46 cited

Precision Measurement of The Most Distant Spectroscopically Confirmed Supernova Ia with the Hubble Space Telescope

D. Rubin, R. A. Knop, E. Rykoff +25

We report the discovery of a redshift 1.71 supernova in the GOODS North field. The Hubble Space Telescope (HST) ACS spectrum has almost negligible contamination from the host or ne…

astro-ph.CO2012★ 41 cited

The Hubble Space Telescope Cluster Supernova Survey: III. Correlated Properties of Type Ia Supernovae and Their Hosts at 0.9 < z < 1.46

J. Meyers, G. Aldering, K. Barbary +35

Using the sample of Type Ia supernovae (SNe Ia) discovered by the Hubble Space Telescope (HST) Cluster Supernova Survey and augmented with HST-observed SNe Ia in the GOODS fields,…

astro-ph.CO2011★ 38 cited

The Hubble Space Telescope Cluster Supernova Survey: VI. The Volumetric Type Ia Supernova Rate

K. Barbary, G. Aldering, R. Amanullah +40

We present a measurement of the volumetric Type Ia supernova (SN Ia) rate out to z ~ 1.6 from the Hubble Space Telescope Cluster Supernova Survey. In observations spanning 189 orbi…

astro-ph.CO2011★ 123 cited

Scaling Relations and Overabundance of Massive Clusters at z>~1 from Weak-Lensing Studies with HST

M. J. Jee, K. S. Dawson, H. Hoekstra +22

We present weak gravitational lensing analysis of 22 high-redshift (z >~1) clusters based on Hubble Space Telescope images. Most clusters in our sample provide significant lensing…

astro-ph.CO2011★ 1.7k cited

The Hubble Space Telescope Cluster Supernova Survey: V. Improving the Dark Energy Constraints Above z>1 and Building an Early-Type-Hosted Supernova Sample

N. Suzuki, D. Rubin, C. Lidman +62

We present ACS, NICMOS, and Keck AO-assisted photometry of 20 Type Ia supernovae SNe Ia from the HST Cluster Supernova Survey. The SNe Ia were discovered over the redshift interval…

astro-ph.CO2010★ 42 cited

The Hubble Space Telescope Cluster Supernova Survey: II. The Type Ia Supernova Rate in High-Redshift Galaxy Clusters

K. Barbary, G. Aldering, R. Amanullah +40

We report a measurement of the Type Ia supernova (SN Ia) rate in galaxy clusters at 0.9 < z < 1.45 from the Hubble Space Telescope (HST) Cluster Supernova Survey. This is the first…

astro-ph.CO2010★ 1.4k cited

Spectra and Light Curves of Six Type Ia Supernovae at 0.511 < z < 1.12 and the Union2 Compilation

R. Amanullah, C. Lidman, D. Rubin +42

We report on work to increase the number of well-measured Type Ia supernovae (SNe Ia) at high redshifts. Light curves, including high signal-to-noise HST data, and spectra of six S…

astro-ph.CO2009★ 20 cited

Subaru FOCAS Spectroscopic Observations of High-Redshift Supernovae

Tomoki Morokuma, Kouichi Tokita, Christopher Lidman +30

We present spectra of high-redshift supernovae (SNe) that were taken with the Subaru low resolution optical spectrograph, FOCAS. These SNe were found in SN surveys with Suprime-Cam…

astro-ph.CO2009★ 24 cited

HST Discovery of a z = 3.9 Multiply Imaged Galaxy Behind the Complex Cluster Lens WARPS J1415.1+36 at z = 1.026

X. Huang, T. Morokuma, H. K. Fakhouri +27

We report the discovery of a multiply lensed Ly Alpha (Lya) emitter at z = 3.90 behind the massive galaxy cluster WARPS J1415.1+3612 at z = 1.026. Images taken by the Hubble Space…

astro-ph.CO2009★ 73 cited

An Intensive HST Survey for z>1 Supernovae by Targeting Galaxy Clusters

K. S. Dawson, G. Aldering, R. Amanullah +57

We present a new survey strategy to discover and study high redshift Type Ia supernovae (SNe Ia) using the Hubble Space Telescope (HST). By targeting massive galaxy clusters at 0.9…

astro-ph.CO2009★ 10 cited

Constraining dust and color variations of high-z SNe using NICMOS on Hubble Space Telescope

S. Nobili, V. Fadeyev, G. Aldering +24

We present data from the Supernova Cosmology Project for five high redshift Type Ia supernovae (SNe Ia) that were obtained using the NICMOS infrared camera on the Hubble Space Tele…

astro-ph.CO2009

Galaxy Clusters in Formation: Determining the Age of the Red-Sequence in Optical and X-ray Clusters at z~1 with HST

Benjamin P. Koester, Michael D. Gladders, David G. Gilbank +7

Using deep two-band imaging from the Hubble Space Telescope, we measure the color-magnitude relations (CMR) of E/S0 galaxies in a set of 9 optically-selected clusters principally f…