VizieR J/A+A/708/A104
VizieR catalogues
π Fast radio bursts at the dawn of the 2020s
Quicklook:
Petroff, E. et al. (2022) Β· Astronomy and Astrophysics Review
Reads: 422 Β· Citations: 347
DOI: 10.1007/s00159-022-00139-w
π https://ui.adsabs.harvard.edu/abs/2022A&ARv..30....2P/abstract
#Astronomy #Astrophysics #Cosmology #Galaxies #FastRadioBurst
Fast radio bursts at the dawn of the 2020s
Since the discovery of the first fast radio burst (FRB) in 2007, and their confirmation as an abundant extragalactic population in 2013, the study of these sources has expanded at an incredible rate. In our 2019 review on the subject, we presented a growing, but still mysterious, population of FRBsβ60 unique sources, 2 repeating FRBs, and only 1 identified host galaxy. However, in only a few short years, new observations and discoveries have given us a wealth of information about these sources. The total FRB population now stands at over 600 published sources, 24 repeaters, and 19 host galaxies. Higher time resolution data, sustained monitoring, and precision localisations have given us insight into repeaters, host galaxies, burst morphology, source activity, progenitor models, and the use of FRBs as cosmological probes. The recent detection of a bright FRB-like burst from the Galactic magnetar SGR 1935 + 2154 provides an important link between FRBs and magnetars. There also continue to be surprising discoveries, like periodic modulation of activity from repeaters and the localisation of one FRB source to a relatively nearby globular cluster associated with the M81 galaxy. In this review, we summarise the exciting observational results from the past few years. We also highlight their impact on our understanding of the FRB population and proposed progenitor models. We build on the introduction to FRBs in our earlier review, update our readers on recent results, and discuss interesting avenues for exploration as the field enters a new regime where hundreds to thousands of new FRBs will be discovered and reported each year.
π First Results from the Catalina Real-Time Transient Survey
Quicklook:
Drake, A. J. et al. (2009) Β· The Astrophysical Journal
Reads: 139 Β· Citations: 1351
DOI: 10.1088/0004-637X/696/1/870
π https://ui.adsabs.harvard.edu/abs/2009ApJ...696..870D/abstract
#Astronomy #Astrophysics #Galaxies #Supernovae #BlLacertaeObjectsGeneral
First Results from the Catalina Real-Time Transient Survey
We report on the results from the first six months of the Catalina Real-Time Transient Survey (CRTS). In order to search for optical transients (OTs) with timescales of minutes to years, the CRTS analyses data from the Catalina Sky Survey which repeatedly covers 26,000 of square degrees on the sky. The CRTS provides a public stream of transients that are bright enough to be followed up using small telescopes. Since the beginning of the survey, all CRTS transients have been made available to astronomers around the world in real time using HTML tables,RSS feeds, and VOEvents. As part of our public outreach program, the detections are now also available in Keyhole Markup Language through Google Sky. The initial discoveries include over 350 unique OTs rising more than 2 mag from past measurements. Sixty two of these are classified as supernovae (SNe), based on light curves, prior deep imaging and spectroscopic data. Seventy seven are due to cataclysmic variables (CVs; only 13 previously known), while an additional 100 transients were too infrequently sampled to distinguish between faint CVs and SNe. The remaining OTs include active galactic nucleus, blazars, high-proper-motions stars, highly variable stars (such as UV Ceti stars), and transients of an unknown nature. Our results suggest that there is a large population of SNe missed by many current SN surveys because of selection biases. These objects appear to be associated with faint host galaxies. We also discuss the unexpected discovery of white dwarf binary systems through dramatic eclipses.
VizieR J/ApJS/278/15
VizieR catalogues
JD Gadina
JD Gadina π¦
German Virtual Observatory
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Jim Carey
Space.com: NASA, Space Exploration and Astronomy News
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