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We re-analyze the age distribution (dN/dt) of star clusters in the Small Magellanic Cloud (SMC) using age determinations based on the Magellanic Cloud Photometric Survey. For ages younger than 3x10^9 yr the dN/dt distribution can be…

Astrophysics · Physics 2009-11-13 M. Gieles , H. J. G. L. M. Lamers , S. F. Portegies Zwart

We model the size distribution of supernova remnants to infer the surrounding ISM density. Using simple, yet standard SNR evolution models, we find that the distribution of ambient densities is remarkably narrow; either the standard…

Astrophysics of Galaxies · Physics 2018-12-12 Benjamin D. Elwood , Jeremiah W. Murphy , Mariangelly Diaz

We present the age distributions for star clusters and individual stars in the Small Magellanic Cloud (SMC) based on data from the Magellanic Clouds Photometric Survey by Zaritsky and collaborators. The age distribution of the SMC clusters…

Astrophysics · Physics 2011-02-11 Rupali Chandar , S. Michael Fall , Bradley C. Whitmore

We present a spatially resolved study of the kinematical properties of known supernova remnants (SNRs) in the nearest galaxies of the SIGNALS survey, namely NGC 6822 (one object) and M33 (163 objects), based on data obtained with the…

We study how Type Ia/II supernova rates at various redshifts can be used to constrain the cosmic star formation rate (CSFR) history. We use a spectrophotometric model of galaxy evolution which provides a self-consistent description of…

Astrophysics · Physics 2007-05-23 R. Sadat , A. Blanchard , B. Guiderdoni , J. Silk

Supernova remnants (SNRs) in the Galaxy are an important source of energy injection into the interstellar medium, and also of cosmic rays. Currently there are 294 known SNRs in the Galaxy, and their distribution with Galactocentric radius…

High Energy Astrophysical Phenomena · Physics 2015-10-14 D. A. Green

We derive empirical models for galaxy mass assembly histories, and convolve these with theoretical delay time distribution (DTD) models for Type Ia supernovae (SNe Ia) to derive the distribution of progenitor ages for all SNe Ia occurring…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-22 Michael J. Childress , Christian Wolf , H. Jabran Zahid

The time delay between the formation of the progenitor systems of Type Ia supernovae (SNe Ia) and their detonation is a vital discriminant between the various progenitor scenarios that have been proposed for them. We use SDSS optical and…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Kevin Schawinski

Measuring the delay-time distribution (DTD) of type Ia supernova(SNe Ia) is an important way to constrain the progenitor nature of SNe Ia. Recently, Strolger et al. (2010) obtained a very delayed DTD, which is much different from other…

Solar and Stellar Astrophysics · Physics 2015-05-28 Xiangcun Meng , Zhongmu Li , Wuming Yang

We present a third epoch of Chandra observations of the Type Ia Large Magellanic Cloud Supernova remnant (SNR) 0509-67.5. With these new observations from 2020, the baseline for proper motion measurements of the expansion has grown to 20…

Ongoing searches for supernovae (SNe) at cosmological distances have recently started to provide a link between SN Ia statistics and galaxy evolution. We use recent estimates of the global history of star formation to compute the…

Astrophysics · Physics 2009-10-30 P. Madau , M. Della Valle , N. Panagia

This is the third paper of a series in which we present new measurements of the observed rates of supernovae (SNe) in the local Universe, determined from the Lick Observatory Supernova Search (LOSS). We have considered a sample of about…

Studying the correlation of type Ia supernova rates (SNR) with host galaxy properties is an important step in understanding the exact nature of type Ia supernovae. We use SNe Ia from the SDSS-II sample, spectroscopically determined masses…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Yan Gao Chris J. Pritchet

Type Ia supernovae (SNe Ia) play an important role in diverse areas of astrophysics, from the chemical evolution of galaxies to observational cosmology. However, the nature of the progenitors of SNe Ia is still unclear. In this paper,…

Solar and Stellar Astrophysics · Physics 2012-05-29 Bo Wang , Zhengwei Liu , Yunkun Han , Zhenxin Lei , Yangping Luo , Zhanwen Han

We present volumetric rates and luminosity functions (LFs) of Type Ia supernovae (SNe Ia) from the All-Sky Automated Survey for Supernovae (ASAS-SN), covering the 11-year period from 2014 to 2024. By combining the 2014--2017 $V$-band sample…

Based on the database of 56 supernovae (SNe) events discovered in 3838 galaxies of the southern hemisphere, we compute the rate of SNe of different types along the Hubble sequence normalized to the optical and near-infrared (NIR)…

Cosmology and Nongalactic Astrophysics · Physics 2013-01-23 A. A. Hakobyan , A. R. Petrosian , G. A. Mamon , B. McLean , D. Kunth , M. Turatto , E. Cappellaro , F. Mannucci , R. J. Allen , N. Panagia , M. Della Valle , G. V. Petrosyan

Type Ia supernovae (SNe Ia) occur in both old, passive galaxies and active, star-forming galaxies. This fact, coupled with the strong dependence of SN Ia rate on star formation rate, suggests that SNe Ia form from stars with a wide range of…

Astrophysics · Physics 2009-11-13 Christopher J. Pritchet , D. Andrew Howell , Mark Sullivan

We have extended our analytical chemical evolution modelling ideas for the Galaxy to the Magellanic Clouds. Unlike previous authors, we assume neither a steepened IMF nor selective galactic winds, since among the alpha-particle elements…

Astrophysics · Physics 2009-07-28 B. E. J. Pagel , G. Tautvaisiene

Using a population number synthesis code with detailed binary evolution, we calculate the distribution of the number of type Ia supernovae as a function of time after starburst. This is done for both main progenitor scenarios (single…

Solar and Stellar Astrophysics · Physics 2013-04-15 N. Mennekens , D. Vanbeveren , J. P. De Greve , E. De Donder

Using the population synthesis binary evolution code StarTrack, we present theoretical rates and delay times of Type Ia supernovae arising from various formation channels. These channels include binaries in which the exploding white dwarf…

Solar and Stellar Astrophysics · Physics 2015-05-20 A. J. Ruiter , K. Belczynski , S. A. Sim , W. Hillebrandt , M. Fink , M. Kromer