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We describe the observing strategy, data reduction tools and early results of a supernova (SN) search project, named SUDARE, conducted with the ESO VST telescope aimed at measuring the rate of the different types of SNe in the redshift…

We analyze the mean rest-frame ultraviolet (UV) spectrum of Type Ia Supernovae (SNe Ia) and its dispersion using high signal-to-noise Keck-I/LRIS-B spectroscopy for a sample of 36 events at intermediate redshift (z=0.5) discovered by the…

To improve the estimate of SN rates for all types as a function of redshift has been proposed and accepted a three years SN search with the VST telescope. To help planning an optimal strategy for the search, we have developed a simulation…

Astrophysics · Physics 2007-05-23 R. Calvi , E. Cappellaro , M. T. Botticella , M. Riello

Improvement in the precision of measurements of cosmological parameters with Type Ia Supernovae (SNIa) is expected to come from large photometrically identified (photometric) SN samples. Here we re-analyse the SDSS photometric SN sample,…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-04 Brodie Popovic , Dan Scolnic , Richard Kessler

We investigate measuring the peculiar motions of galaxies up to $z=0.5$ using Type Ia supernovae (SNe Ia) from LSST, and predict the subsequent constraints on the growth rate of structure. We consider two cases. Our first is based on…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-11 Cullan Howlett , Aaron S. G. Robotham , Claudia D. P. Lagos , Alex G. Kim

Strong lensing by galaxy clusters can be used to significantly expand the survey reach, thus allowing observation of magnified high-redshift supernovae that otherwise would remain undetected. Strong lensing can also provide multiple images…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-01 T. Petrushevska

This study presents a comprehensive end-to-end simulation analysis of the optical imaging performance of the China Survey Space Telescope (CSST) under in-orbit conditions. An integrated system model incorporating five static and two dynamic…

Instrumentation and Methods for Astrophysics · Physics 2025-11-11 Zhang Ban , Xiao-Bo Li , Xun Yang , Yu-Xi Jiang , Hong-Cai Ma , Wei Wang , Jin-guang Lv , Cheng-Liang Wei , De-Zi Liu , Guo-Liang Li , Chao Liu , Nan Li , Ran Li , Peng Wei

The Pan-STARRS (PS1) Medium Deep Survey discovered over 5,000 likely supernovae (SNe) but obtained spectral classifications for just 10% of its SN candidates. We measured spectroscopic host galaxy redshifts for 3,147 of these likely SNe and…

The Transiting Exoplanet Survey Satellite (TESS) is the latest observational effort to find exoplanets and map bright transient optical phenomena. Supernovae (SN) are particularly interesting as cosmological standard candles for…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-26 B. W. Holwerda , S. Knabel , R. C. Steele , L. Strolger , J. Kielkopf , A. Jacques , W. Roemer

The SkyMapper 1.3 m telescope at Siding Spring Observatory has now begun regular operations. Alongside the Southern Sky Survey, a comprehensive digital survey of the entire southern sky, SkyMapper will carry out a search for supernovae and…

Instrumentation and Methods for Astrophysics · Physics 2017-07-26 Richard Scalzo , Fang Yuan , Michael J. Childress , Anais Moller , Brian Schmidt , Brad E. Tucker , Bonnie Zhang , Pierre Astier , Marc Betoule , Nicolas Regnault

The LaSilla/QUEST Variability Survey (LSQ) and the Carnegie Supernova Project (CSP II) are collaborating to discover and obtain photometric light curves for a large sample of low redshift (z < 0.1) Type Ia supernovae. The supernovae are…

The Cherenkov Telescope Array (CTA) will use three telescope sizes to efficiently detect cosmic gamma rays in the energy range from several tens of GeV to hundreds of TeV. The Small-Sized Telescopes (SSTs) will form the largest section of…

Instrumentation and Methods for Astrophysics · Physics 2021-10-28 R. White

Type Ia supernovae (SNe Ia) can be calibrated to be good standard candles at cosmological distances. We propose a supernova pencil beam survey that could yield between dozens to hundreds of SNe Ia in redshift bins of 0.1 up to $z=1.5$,…

Astrophysics · Physics 2009-10-30 Yun Wang

The Chinese Space Station Optical Survey (CSS-OS) is a major science project of the Space Application System of the China Manned Space Program. This survey is planned to perform both photometric imaging and slitless spectroscopic…

Instrumentation and Methods for Astrophysics · Physics 2018-08-23 Ye Cao , Yan Gong , Xian-Min Meng , Cong K. Xu , Xuelei Chen , Qi Guo , Ran Li , Dezi Liu , Yongquan Xue , Li Cao , Xiyang Fu , Xin Zhang , Shen Wang , Hu Zhan

Observations of high-redshift supernovae (SNe) open a novel opportunity to study the massive star population in the early Universe. We study the detectability of superluminous SNe with upcoming optical and near-infrared (NIR) surveys. Our…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Masaomi Tanaka , Takashi J. Moriya , Naoki Yoshida , Ken'ichi Nomoto

We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project. Three supernovae were discovered in a surveyed area of 1.7 square…

Type IIn supernovae (SNe IIn) dominate the brightest supernova events in observed FUV flux (~1200-2000A). We show that multi-band, multi-epoch optical surveys complete to m_r = 27 can detect the FUV emission of ~25 z > 2 SNe IIn deg^-2…

Astrophysics · Physics 2009-11-13 Jeff Cooke