“Supernova” Science-Research, April 2022 — summary from DOE Pages, Astrophysics Data System, DOAJ and Arxiv
DOE Pages — summary generated by Brevi Assistant
Type Ia Supernovae are standardizable candle lights that enable us to determine the current development rate of the Universe. The dependence of the inherent luminosity of SNe Ia with their host-galaxy environment is commonly used to systematize SNe Ia brightness and is commonly parameterized as an action function. Abstract We examine 143 Type Ia supernovae observed in H band and find that SNe Ia are intrinsically brighter in H band with enhancing host galaxy stellar mass. We discover that SNe Ia in galaxies more massive than 1010. 43 M ⊙ are 0. 13 ± 0. 04 mag brighter in H than SNe Ia in much less massive galaxies. Massive astronomical surveys have the prospective to capture information on large numbers of highly gravitationally lensed supernovae. To quickly determine LSNe in optical study data collections, we designed ZipperNet, a multibranch deep neural network that incorporates convolutional layers with long short-term memory layers. We present optical and near-infrared monitorings of 42 Type Ia supernovae uncovered by the untargeted intermediate Palomar Transient Factory study. The SN sizes are remedied for host galaxy termination making use of either a global total-to-selective termination proportion, R V = 2. 0, for all SNe, or a best-fit R V for each and every SN individually. Abstract in this fifth paper of the collection, we make use of the parameterized, spherically symmetric explosion method PUSH to investigate the influence of 8 different nuclear equations of state. First, a complete research study of nonrotating stars from 11 to 40 M ⊙ at three various metallicities making use of the SFHo EOS; and, 2nd, a collection of simulations for four progenitors for 8 different nuclear EOS. ABSTRACT We present monitorings of SN 2020fqv, a Virgo-cluster type II core-collapse supernova with a high temporal resolution light contour from the Transiting Exoplanet Survey Satellite covering the moment of surge; ultraviolet spectroscopy from the Hubble Space Telescope starting 3. 3 d post-explosion; ground-based spectroscopic monitoring starting 1. 1 d post-explosion; in addition to comprehensive photometric observations.
- https://www.osti.gov/pages/biblio/1860352 — Accuracy of environmental tracers and consequences for determining the Type Ia supernova magnitude step.
- https://www.osti.gov/pages/biblio/1863783 — Are Type Ia Supernovae in Rest-frame H Brighter in More Massive Galaxies.
- https://www.osti.gov/pages/biblio/1838476 — DeepZipper: A Novel Deep-learning Architecture for Lensed Supernovae Identification.
- https://www.osti.gov/pages/biblio/1863794 — Near-infrared Supernova Ia Distances: Host Galaxy Extinction and Mass-step Corrections Revisited.
- https://www.osti.gov/pages/biblio/1862619 — PUSHing Core-collapse Supernovae to Explosions in Spherical Symmetry. V. Equation of State Dependency of Explosion Properties, Nucleosynthesis Yields, and Compact Remnants.
- https://www.osti.gov/pages/biblio/1860285 — Progenitor and close-in circumstellar medium of type II supernova 2020fqv from high-cadence photometry and ultra-rapid UV spectroscopy.
Astrophysics Data System — summary generated by Brevi Assistant
We present the mid-infrared light contours of 10 superluminous supernovae at z < 0.12 based upon WISE data at 3. 4 and 4. 6 μ m. Three of them, consisting of PS15br, SN 2017ens, and SN 2017err show rebrightening which began at 200- 400 days and finished at 600- 1000 days, showing the presence of dirt. Taking into consideration the moment hold-up and the massive amount of energy launched, the giving off dust can rarely be pre-existing dirt warmed whether collisionally by shocks or radiatively by optimal SLSN brightness or shock emission. Type IIn supernovae are a very heterogeneous and uncommon class of SN where the SN ejecta connects with pre-existing circumstellar media. We analyse the H α environments of 77 type IIn supernovae using continuum deducted H α photos. With the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time, it is expected that just ∼0.1 of all transients will be categorized spectroscopically. While our PS1-MDS photometric example is still smaller sized than the total SLSN spectroscopic example, our approach leads the way to an orders-of-magnitude boost in the SLSN example in the LSST era via photometric selection and study. Samples of young type Ia supernovae have shown’ early unwanted’ emission in a couple of cases. Based upon our simulations, we find that in a normal three day cadence study, only ∼ 10% of type Ia supernovae would be discovered early enough to dismiss the presence of an extra. Understanding astrophysical sensations involving small things needs understanding concerning the engine behind core-collapse supernovae and the destiny of the stellar collapse of enormous stars. In between both severe tested versions, the chance of compact things development within the reduced mass gap might differ up to 2 orders of magnitude. Thermal MeV neutrino emission from core-collapse supernovae provides a distinct chance to probe physics beyond the Standard Model in the neutrino sector. We reveal that for sub-MeV dark matter, the visibility of dark matter-neutrino communications may bring about neutrino echoes with significant time hold-ups.
- https://ui.adsabs.harvard.edu/abs/2022arXiv220409419S/abstract — A Mid-infrared Study of Superluminous Supernovae.
- https://ui.adsabs.harvard.edu/abs/2022arXiv220409706R/abstract — An H-alpha survey of the host environments of 77 type IIn supernovae within z<0. 02.
- https://ui.adsabs.harvard.edu/abs/2022arXiv220409809H/abstract — Photometrically-Classified Superluminous Supernovae from the Pan-STARRS1 Medium Deep Survey: A Case Study for Science with Machine Learning-Based Classification.
- https://ui.adsabs.harvard.edu/abs/2022arXiv220409705M/abstract — The detection efficiency of type Ia supernovae from the Zwicky Transient Facility: Limits on the intrinsic rate of early flux excesses.
- https://ui.adsabs.harvard.edu/abs/2022arXiv220409061O/abstract — The role of supernova convection for the lower mass gap and the isolated binary formation of gravitational wave sources.
- https://ui.adsabs.harvard.edu/abs/2022arXiv220409650A/abstract — Time-delayed neutrino emission from supernovae as a probe of dark matter-neutrino interactions.
DOAJ — summary generated by Brevi Assistant
We present an evaluation of X-ray monitorings made with ASCA and XMM-Newton XMM-Newton ranges prefer a thermal origin for the X-ray emission over a non-thermal origin. The flight supergiant star HIP13962 was recently pointed as a feasible former binary companion of young pulsar PSRJ0826 +2637. The abundance pattern can not be ﬁtted by planetary system r & s process abundance circulation. Abstract The KM3NeT research infrastructure is unconstruction in the Mediterranean Sea. KM3NeT will study astrophysical and climatic neutrinos with 2 multi-purpose neutrino detectors, ARCA and ORCA, mostly targeted at GeV- PeV neutrinos. We present the discovery of 16 optical supernova residue prospects contamination of overall Hα flux from SNRs in the observed part of IC342 to. This paper reviews radiative and thermodynamic properties of cool rarefied accumulations of non-uniformly dispersed gas and dirt with which high fluxes of positrons with powers of 0. 011–3. 6 MeV pass. The research study of destruction of positrons and K-electrons with emission of a single photon disclosed a relationship between the energy of the produced γ-quanta with the recoil powers of nuclei, binding powers of K-electrons of various atoms-and powers of case positrons. The theoretical enormous dark photon which has kinetic blending with the SM photon can decay electromagnetically to e+e − pairs if its mass m goes beyond 2me, and or else into three SM photons. In certain, we find that for dark photon mass mγ ′ in the 5- 20 MeV variety disagreements based on supernova 1987A monitorings lead to a bound on ϵ which is regarding 300 times stronger than the presently existing bounds based upon energy loss arguments.
- https://doi.org/10.2298/SAJ1795023P — ASCA and XMM-Newton observations of the galactic supernova remnant G311. 5−0. 3.
- https://doi.org/10.18524/1810-4215.2016.29.85238 — HIP 13962 — THE POSSIBLE FORMER MEMBER OF BINARY SYSTEM WITH SUPERNOVA.
- https://doi.org/10.1140/epjc/s10052-022-10137-y — Implementation and first results of the KM3NeT real-time core-collapse supernova neutrino search.
- https://doi.org/10.2298/SAJ150911002V — Optical observations of the nearby galaxy IC342 with narrow band [SII] and hα filters. II — detection of 16 optically-identified supernova remnant candidates.
- https://doi.org/10.18524/1810-4215.2018.31.144437 — Positron Annihilation Spectroscopy of Young Supernova Remnants.
- https://doi.org/10.1016/j.nuclphysb.2014.11.009 — Supernova bounds on the dark photon using its electromagnetic decay.
Arxiv — summary generated by Brevi Assistant
Type IIn supernovae are an extremely heterogeneous and uncommon class of SN where the SN ejecta interacts with pre-existing circumstellar media. Previous studies have located a mass ladder in terms of the organization of the SN location with H α emission and the progenitor masses of SN courses. Stimulated decays of axion dark matter, activated by a source in the sky, might produce a photon change along the continuation of the line of view, pointing backwards to the resource. Many theoretical resolutions to the so-called Hubble stress rely upon customizing the audio horizon at recombination, r_s and therefore the acoustic scale utilized as a typical ruler in the cosmic microwave background and huge scale structure datasets. The outcomes show some dependancy on the neutrino mass bounds, with the restraint expanding to H_0 = 68.0^+2.9_-3.2 if we instead enforce a weak previous on ∑m_ν from earthbound experiments instead than assuming ∑m_ν < 0.26 eV or changing to H_0 = 64.6±2.4 if the neutrino mass is repaired to its marginal value. In this paper, we evaluate the JLA information on Supernova observations in the context of k- essence dark energy model with Lagrangian L=VF(X) With a consistent possible V and the dynamical term X = (1/2)∇_μϕ∇_νϕ= ϕ̇²/2 for uniform scalar field ϕ(T) In a level FRW spacetime background. We define how the Fink broker early supernova Ia classifier maximizes its ML categories by using an active learning technique. From 01/November/2020 to 31/October/2021 Fink has used its very early supernova Ia module to the ZTF stream and connected encouraging SN Ia prospects to the TNS. With the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time, it is expected that only ∼0.1 of all transients will be categorized spectroscopically. While our PS1-MDS photometric sample is still smaller than the overall SLSN spectroscopic example, our approach leads the way to an orders-of-magnitude increase in the SLSN example in the LSST era through photometric option and research.
- https://arxiv.org/abs/2204.09706v1 — An H-alpha survey of the host environments of 77 type IIn supernovae within z<0. 02.
- https://arxiv.org/abs/2110.13916v3 — Axion Echos from the Supernova Graveyard.
- https://arxiv.org/abs/2204.02984v3 — Determining the Hubble Constant without the Sound Horizon: A $3. 6 %$ Constraint on $H_0$ from Galaxy Surveys, CMB Lensing and Supernovae.
- https://arxiv.org/abs/2108.12186v2 — Dynamical analysis of $k$-essence cosmology in the light of Supernova Ia observations.
- https://arxiv.org/abs/2111.11438v2 — Fink: early supernovae Ia classification using active learning.\
- https://arxiv.org/abs/2204.09809v1 — Photometrically-Classified Superluminous Supernovae from the Pan-STARRS1 Medium Deep Survey: A Case Study for Science with Machine Learning-Based Classification.
Brief Info about Brevi Assistant
The Brevi assistant is a novel way to automatically summarize, assemble, and consolidate multiple text documents, research papers, articles, publications, reports, reviews, feedback, etc., into one compact abstractive form.
At Brevi Assistant, we integrated the most popular open-source databases to empower Researchers, Teachers, and Students to find relevant Contents/Abstracts and to always be up to date about their fields of interest.
Also, users can automate the topics and sources of interest to receive weekly or monthly summaries.