Results for “"R. Kotak"”

M. Fraser, M. Magee, R. Kotak, S. J. Smartt et al.

Using imaging from the Pan-STARRS1 survey, we identify a precursor outburst at 287 and 170 days prior to the reported explosion of the purported Type IIn supernova (SN) 2011ht. In the Pan-STARRS data, a source coincident with SN 2011ht is detected exclusively in the z P1 and y P1 -bands. An absolute...

M. Fraser, Justyn R. Maund, S. J. Smartt, M. T. Botticella et al.

Core-collapse supernovae (SNe) are the spectacular finale to massive stellar evolution. In this Letter, we identify a progenitor for the nearby core-collapse SN 2012aw in both ground-based near-infrared and space-based optical pre-explosion imaging. The SN itself appears to be a normal Type II Plate...

A. S. Pirozhkov, M. Kando, T. Zh. Esirkepov, P. Gallegos et al.

We demonstrate a new high-order harmonic generation mechanism reaching the "water window" spectral region in experiments with multiterawatt femtosecond lasers irradiating gas jets. A few hundred harmonic orders are resolved, giving μJ/sr pulses. Harmonics are collectively emitted by an oscillating e...

Rubén Burgos‐Vargas, James Cheng‐Chung Wei, Mahboob U. Rahman, Nurullah Akkoç et al.

BACKGROUND: Patients with ankylosing spondylitis (AS), who by definition have radiographic sacroiliitis, typically experience symptoms for a decade or more before being diagnosed. Yet, even patients without radiographic sacroiliitis (i.e., nonradiographic axial spondyloarthritis [nr-axSpA]) report a...

S. J. Smartt, K. C. Chambers, K. Smith, M. E. Huber et al.

We present a search for an electromagnetic counterpart of the gravitational-wave source GW151226. Using the Pan-STARRS1 telescope we mapped out 290 square degrees in the optical i P1 filter, starting 11.5 hr after the LIGO information release and lasting for an additional 28 days. The first observat...

Nozomu KOTAKE, Fumio Tatsuoka, T. Tanaka, M. S. A. Siddiquee et al.

To obtain a better understanding of the bearing capacity characteristics of reinforced sand subjected to a footing load and the associated reinforcing mechanisms, results from plane strain laboratory model tests were simulated using a nonlinear elasto-plastic finite element model (FEM). The followin...

P. Srinivasan, Yuva Priya Saminathan

Camel approach is significant tool to assess the relative financial strength of a bank and to suggest necessary measures to improve weaknesses of a bank. In India, RBI adopted this approach in 1996 followed on the recommendations of Padmanabham Working Group (1995) committee. In the present study, a...

Sheikh Ariful Hoque, Tomohiro Kotaki, Ngan Thi Kim Pham, Yuko Onda et al.

Viruses remain the leading cause of acute gastroenteritis (AGE) worldwide. Recently, we reported the abundance of AGE viruses in raw sewage water (SW) during the COVID-19 pandemic, when viral AGE patients decreased dramatically in clinics. Since clinical samples were not reflecting the actual state,...

P. Charalampopoulos, R. Kotak, T. Wevers, G. Leloudas et al.

We present an extensive analysis of the optical and ultraviolet (UV) properties of AT 2023clx, the closest optical/UV tidal disruption event (TDE) to date ( z = 0.01107), which occurred in the nucleus of the interacting low-ionization nuclear emission-line region (LINER) galaxy, NGC 3799. After corr...

Hiroshi Ushijima, Ngan Thi Kim Pham, Shuichi Nishimura, Masaaki Kobayashi et al.

Human astroviruses (HAstVs) were examined in 1625 stool samples collected from outpatient children with diarrhea who visited clinics in 4-6 prefectures in Japan. The study was conducted over a period of 4 years from July 2018 to June 2022, spanning the period before and after the emergence of COVID-...

Daichi Nishino, Ai Kotake, Chi Sun Yun, Al‐Nur Md. Iftekhar Rahman et al.

Glandular epithelial cells (GE) in the endometrium are thought to support the elongation and survival of ruminant embryos by secreting histotrophs. In the present study, the gene expression of bovine endometrial epithelial cells cultured in matrigel was analyzed and examined whether it could be an i...

Nozomu KOTAKE, Fumio Tatsuoka, T. Tanaka, M. S. A. Siddiquee et al.

The results from a series of laboratory model tests on unreinforced sand slopes and those reinforced with reinforcing strips that were brought to bearing capacity failure by vertical and central loading using a rigid strip footing placed on the slope crest were simulated numerically by the FEM. In t...

M. Magee, T. Killestein, M. Pursiainen, B. Godson et al.

ABSTRACT Type Iax supernovae (SNe Iax) are one of the most common subclasses of thermonuclear supernova and yet their sample size, particularly those observed shortly after explosion, remains relatively small. In this paper, we present photometric and spectroscopic observations of two SNe Iax discov...

G. Valerin, A. Pastorello, A. Reguitti, S. Benetti et al.

Aims. We investigate the photometric characteristics of a sample of intermediate-luminosity red transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. Our goal is to provide a stepping stone in the path to reveal the physical orig...