Results 21 to 30 of about 4,274,424 (314)

VARIABLE AND TRANSIENT RADIO SOURCES IN THE FIRST SURVEY [PDF]

The Astrophysical Journal, 2011
A comprehensive search for variable and transient radio sources has been conducted using ~55,000 snapshot images of the FIRST survey. We present an analysis leading to the discovery of 1,627 variable and transient objects down to mJy levels over a wide range of timescales (few minutes to years).
Thyagarajan, Nithyanandan, Helfand, David J., White, Richard L., Becker, Robert H.   +3 more
openaire   +2 more sources

A transient placental source of serotonin for the fetal forebrain [PDF]

Nature, 2011
Serotonin (5-hydroxytryptamine or 5-HT) is thought to regulate neurodevelopmental processes through maternal-fetal interactions that have long-term mental health implications. It is thought that beyond fetal 5-HT neurons there are significant maternal contributions to fetal 5-HT during pregnancy but this has not been tested empirically.
Bonnin, Alexandre, Goeden, Nick, Chen, Kevin, Wilson, Melissa L., King, Jennifer, Shih, Jean C., Blakely, Randy D., Deneris, Evan S., Levitt, Pat   +8 more
openaire   +2 more sources

Gamma-Ray Polarimetry of Transient Sources with POLAR

, 2022
Polarization measurements of the gamma-ray component of transient sources are of great scientific interest, they are however, also highly challenging. This is due to the typical low signal to noise and the potential for significant systematic errors. Both issues are made worse by the transient nature of the events which prompt one to observe a large ...
Kole, Merlin, Sun, Jianchao
openaire   +2 more sources

AN ARECIBO SEARCH FOR PULSARS AND TRANSIENT SOURCES IN M33 [PDF]

The Astrophysical Journal, 2011
We report on a systematic and sensitive search for pulsars and transient sources in the nearby spiral galaxy M33, conducted at 1.4 GHz with the Arecibo telescope's seven-beam receiver system, ALFA. Data were searched for both periodic and aperiodic sources, up to 1000 pc cm^{-3} in dispersion measure and on timescales from $\sim$50 \us to several ...
Bhat, Ramesh, Cordes, J., Cox, P., Deneva, J., Hankins, T., Lazio, T., McLaughlin, M.   +6 more
openaire   +4 more sources

Models of ultraluminous X-ray transient sources [PDF]

Astronomy & Astrophysics, 2020
Context. It is now widely accepted that most ultraluminous X-ray sources (ULXs) are binary systems whose large (above 1039 erg s−1) apparent luminosities are explained by super-Eddington accretion onto a stellar-mass compact object. Many of the ULXs, especially those containing magnetized neutron stars, are highly variable; some exhibit transient ...
J.-M. Hameury, J.-P. Lasota
openaire   +2 more sources

Identifying transient and variable sources in radio images [PDF]

Astronomy and Computing, 2019
With the arrival of a number of wide-field snapshot image-plane radio transient surveys, there will be a huge influx of images in the coming years making it impossible to manually analyse the datasets. Automated pipelines to process the information stored in the images are being developed, such as the LOFAR Transients Pipeline, outputting light curves ...
Antonia Rowlinson, Adam J. Stewart, Jess W. Broderick, John D. Swinbank, Ralph A. M. J. Wijers, Dario Carbone, Yvette N. Cendes, Robert P. Fender, Alexander J. van der Horst, Gijs J. Molenaar, Bart Scheers, Tim D. Staley, S. Farrell, Jean-Mathias Grießmeier, Martin E. Bell, Jochen Eislöffel, Casey J. Law, Joeri van Leeuwen, Philippe Zarka   +18 more
openaire   +3 more sources

Constraints on Minute-Scale Transient Astrophysical Neutrino Sources [PDF]

Physical Review Letters, 2019
High-energy neutrino emission has been predicted for several short-lived astrophysical transients including gamma-ray bursts (GRBs), core-collapse supernovae with choked jets and neutron star mergers. IceCube's optical and X-ray follow-up program searches for such transient sources by looking for two or more muon neutrino candidates in directional ...
Aartsen M. G., Ackermann M., Adams J., Aguilar J. A., Ahlers M., Ahrens M., Al Samarai I., Altmann D., Andeen K., Anderson T., Ansseau I., Anton G., Arguelles C., Auffenberg J., Axani S., Backes P., Bagherpour H., Bai X., Barbano A., Barron J. P., Barwick S. W., Baum V., Bay R., Beatty J. J., Becker Tjus J., Becker K. -H., Benzvi S., Berley D., Bernardini E., Besson D. Z., Binder G., Bindig D., Blaufuss E., Blot S., Bohm C., Borner M., Bos F., Boser S., Botner O., Bourbeau E., Bourbeau J., Bradascio F., Braun J., Brenzke M., Bretz H. -P., Bron S., Brostean-Kaiser J., Burgman A., Busse R. S., Carver T., Cheung E., Chirkin D., Christov A., Clark K., Classen L., Collin G. H., Conrad J. M., Coppin P., Correa P., Cowen D. F., Cross R., Dave P., Day M., De Andre J. P. A. M., De Clercq C., Delaunay J. J., Dembinski H., Deoskar K., De Ridder S., Desiati P., De Vries K. D., De Wasseige G., De With M., Deyoung T., Diaz-Velez J. C., Di Lorenzo V., Dujmovic H., Dumm J. P., Dunkman M., Dvorak E., Eberhardt B., Ehrhardt T., Eichmann B., Eller P., Evans P. A., Evenson P. A., Fahey S., Fazely A. R., Felde J., Filimonov K., Finley C., Franckowiak A., Friedman E., Fritz A., Gaisser T. K., Gallagher J., Ganster E., Gerhardt L., Ghorbani K., Giang W., Glauch T., Glusenkamp T., Goldschmidt A., Gonzalez J. G., Grant D., Griffith Z., Haack C., Hallgren A., Halve L., Halzen F., Hanson K., Hebecker D., Heereman D., Helbing K., Hellauer R., Hickford S., Hignight J., Hill G. C., Hoffman K. D., Hoffmann R., Hoinka T., Hokanson-Fasig B., Hoshina K., Huang F., Huber M., Hultqvist K., Hunnefeld M., Hussain R., In S., Iovine N., Ishihara A., Jacobi E., Japaridze G. S., Jeong M., Jero K., Jones B. J. P., Kalaczynski P., Kang W., Kappes A., Kappesser D., Karg T., Karle A., Katz U., Kauer M., Keivani A., Kelley J. L., Kheirandish A., Kim J., Kintscher T., Kiryluk J., Kittler T., Klein S. R., Koirala R., Kolanoski H., Kopke L., Kopper C., Kopper S., Koschinsky J. P., Koskinen D. J., Kowalski M., Krings K., Kroll M., Kruckl G., Kunwar S., Kurahashi N., Kyriacou A., Labare M., Lanfranchi J. L., Larson M. J., Lauber F., Leonard K., Leuermann M., Liu Q. R., Lohfink E., Lozano Mariscal C. J., Lu L., Lunemann J., Luszczak W., Madsen J., Maggi G., Mahn K. B. M., Makino Y., Mancina S., Maris I. C., Maruyama R., Mase K., Maunu R., Meagher K., Medici M., Meier M., Menne T., Merino G., Meures T., Miarecki S., Micallef J., Momente G., Montaruli T., Moore R. W., Moulai M., Nagai R., Obertacke Pollmann A., O'Sullivan E., Pandya H., Pizzuto A., Plum M., Rea I. C., Reimann R., Resconi E., Rhode W., Rongen M., Rott C., Safa I., Sandrock A., Santander M., Sarkar S., Sarkar S., Schneider A., Schumacher L., Sclafani S., Spiczak G. M., Stachurska J., Stein R., Stettner J., Strotjohann N. L., Stuttard T., Taboada I., Toscano S., Tung C. F., Unland Elorrieta M. A., Van Eijndhoven N., Vanheule S., Yoshida S.   +231 more
openaire   +12 more sources

Referral Patterns and Diagnostic Timeliness in Pediatric Cancer: A Hospital‐Based Study in Indonesia

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Timely diagnosis and treatment are critical for improving survival among children with cancer. In low‐ and middle‐income countries (LMICs), delays are common and may be influenced by fragmented referral pathways and diagnostic limitations.
Nur Melani Sari, Regina Hadi Putri, Fatimah Assyifa, Judith Spijkerman, Gertjan Johannes Kaspers, Susi Susanah   +5 more
wiley   +1 more source

“We Cannot Talk as a Family”: Complexities of Survivorship Communication Among Hispanic/Latino Young Adult Survivors of Childhood Cancer, Parents, and Clinicians

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Young adult childhood cancer survivors (YA‐CCS) have an increased risk of treatment‐related health complications throughout their lives. Lifelong survivorship care is recommended, yet many YA‐CCS experience disruptions in care during pediatric‐to‐adult transitions and do not receive recommended survivorship care.
Kevin Shanchen Pu, Nicole Fernández‐Viña, Briana C. Martin‐Villa, Daniela Ramirez, Rebecca M. Lewinsohn, Mary Smith, Heidi Boynton, Lidia Schapira, Stephanie M. Smith   +8 more
wiley   +1 more source

Comparative Evaluation of Hemodiafiltration, Hemoperfusion, and Standard Hemodialysis on Efficacy, Inflammatory Control, Dialysis Adequacy, and Safety in End‐Stage Renal Disease: A Prospective Observational Study

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Chronic micro‐inflammation in patients with end‐stage renal disease (ESRD) is a significant driver of cardiovascular complications and diminished quality of life. While standard hemodialysis (SHD) effectively manages small‐molecule clearance, its ability to remove medium‐to‐large uremic toxins—the primary catalysts of systemic ...
Hongwei Zuo, Weisi Dai, Jie Mao, Mei Ye, Xingshan Lu, Xiaocui Zhang   +5 more
wiley   +1 more source