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"Rotating RAdio Transients" (RRATs) are a newly discovered astronomical phenomenon, characterised by occasional brief radio bursts, with average intervals between bursts ranging from minutes to hours. The burst spacings allow identification…

We conducted a drift-scan observation campaign using the 305-m Arecibo telescope in January and March 2020 when the observatory was temporarily closed during the intense earthquakes and the initial outbreak of the COVID-19 pandemic,…

We report the discovery of 19 new pulsars identified from archival observations of the Five-hundred-meter Aperture Spherical radio Telescope (FAST) within Galactic latitudes $|b|<5\deg$ and declinations ${\rm Decl.}<-5\deg$. The dataset was…

高能天体物理现象 · 物理学 2026-01-06 Shi-Jie Gao , Yi-Xuan Shao , Xiang-Dong Li

We present Clusterrank, a new algorithm for identifying dispersed astrophysical pulses. Such pulses are commonly detected from Galactic pulsars and rotating radio transients (RRATs), which are neutron stars with sporadic radio emission.…

高能天体物理现象 · 物理学 2016-04-20 J. S. Deneva , K. Stovall , M. A. McLaughlin , M. Bagchi , S. D. Bates , P. C. C. Freire , J. G. Martinez , F. Jenet , N. Garver-Daniels

An interpulse search was carried out in a sample of 96 pulsars observed on the Large Phased Array (LPA) radio telescope in the Pushchino Multibeams Pulsar Search (PUMPS). The pulsar sample is complete for pulsars having a signal-to-noise…

高能天体物理现象 · 物理学 2025-03-25 M. O. Toropov , S. A. Tyul'bashev , V. S. Beskin

We have searched 75 unidentified radio sources selected from the NRAO VLA Sky Survey (NVSS) catalog for the presence of rapidly spinning pulsars and short, dispersed radio bursts. The sources are radio bright, have no identifications or…

太阳与恒星天体物理 · 物理学 2015-06-15 Deborah Schmidt , Fronefield Crawford , Glen Langston , Claire Gilpin

We have performed timing of a number of known slow pulsars with poorly known coordinates and parameters of their intrinsic rotation. We used data from the archive of round-the-clock monitoring observations on the third (stationary) beam…

高能天体物理现象 · 物理学 2025-08-13 S. A. Andrianov , V. A. Potapov , S. A. Tyul'bashev

Studying transient phenomena, such as individual pulses from pulsars, has garnered considerable attention in the era of astronomical big data. Of specific interest to this study are Rotating Radio Transients (RRATs), nulling, and…

For radio transients, an inverted spectrum (defined as $\alpha > 0$ for a power law spectrum $S_{\nu}\propto \nu^{\alpha}$) constrains physical properties, which in principle can be a useful criterion for selecting specific targets of…

高能天体物理现象 · 物理学 2025-06-13 Yuyang Chen , B. M. Gaensler , Tracy Clarke , Wendy Peters , Emil Polisensky , Kovi Rose

Rotating radio transients (RRATs) represent a significant but poorly understood component of the Galactic neutron star population, characterized by sporadic emission first detectable only through single-pulse searches. We present the…

高能天体物理现象 · 物理学 2026-05-04 Devansh Agarwal , Evan F. Lewis , Duncan R. Lorimer , Maura A. McLaughlin , Bingyi Cui , Anna Turner , Natasha McMann

The pulsar search was started at the radio telescope LPA LPI at the frequency 111~MHz. The first results deals of a search for right ascension $0^h - 24^h$ and declinations $+21^{\circ} - +42^{\circ}$ are presented in paper. The data with…

高能天体物理现象 · 物理学 2022-08-19 S. A. Tyul'bashev , V. S. Tyul'bashev , V. V. Oreshko , S. V. Logvinenko

Long-period radio transients (LPTs) are a recently identified phenomenon that challenge our current understanding of compact objects and coherent radio emission mechanisms. These objects emit radio pulses similar to those of pulsars, but at…

We present the search methods and initial results for transient radio signals in the High Time Resolution Universe (HTRU) Survey. The HTRU survey's single-pulse search, the software designed to perform the search, and a determination of the…

Context. This paper presents a detailed description of the Decametre Pulsar and Transient Survey of the Northern Sky that was carried out in 2012-2017 using the world's largest radio telescope at decametre wavelengths - UTR-2 in Ukraine.…

The analysis of radio emission of three new pulsars discovered at the Pushchino Radio Astronomy Observatory is presented. The detailed observations were carried out at a frequency of 111 MHz using the Large Phased Array (LPA) and the…

高能天体物理现象 · 物理学 2022-06-27 Daria Teplykh , Valery Malofeev , Oleg Malov , Sergey Tyul'bashev

In this study, we report on a detailed single pulse analysis of the radio emission from a rotating radio transient (RRAT) J1918$-$0449 which is the first RRAT discovered with the five hundred meter aperture spherical radio telescope (FAST).…

高能天体物理现象 · 物理学 2022-07-27 J. L. Chen , Z. G. Wen , J. P. Yuan , N. Wang , D. Li , H. G. Wang , W. M. Yan , R. Yuen , P. Wang , Z. Wang , W. W. Zhu , J. R. Niu , C. C. Miao , M. Y. Xue , B. P. Gong

We report on the results of a search for radio transients between 115 and 190\,MHz with the LOw-Frequency ARray (LOFAR). Four fields have been monitored with cadences between 15 minutes and several months. A total of 151 images were…

The Fermi Large Area Telescope (LAT) provides advantages for radio pulsar searches by enabling efficient target selection. We can confidently point radio telescopes to the positions of Fermi unidentified gamma-ray sources that have a high…

We are currently undertaking a survey to search for new pulsars and the recently found Rotating RAdio Transcients (RRATs) in the Cygnus OB complex. The survey uses the Westerbrok Synthesis Radio Telescope (WSRT) in a unique way called the…

天体物理学 · 物理学 2007-05-23 E. Rubio-Herrera , R. Braun , G. Janssen , J. van Leeuwen , B. W. Stappers

The search of pulsars in monitoring observations being carried out for 5 years using LPA LPI radio telescope was done in 96 spatial beams covering daily 17,000 square degrees. Five new pulsars were detected. Candidates into pulsars were…

高能天体物理现象 · 物理学 2022-04-21 S. A. Tyul'bashev , M. A. Kitaeva , V. S. Tyul'bashev , V. M. Malofeev , G. E. Tyul'basheva