Results 1 to 10 of about 101,445 (253)

Upgraded Giant Metrewave Radio Telescope timing of NGC 1851A: a possible millisecond pulsar - neutron star system. [PDF]

Mon Not R Astron Soc, 2019
In this work, we present the results of 1 yr of upgraded Giant Metrewave Radio Telescope timing measurements of PSR J0514-4002A, a 4.99-ms pulsar in a 18.8-d eccentric ([Formula: see text]) orbit with a massive companion located in the globular cluster ...
Ridolfi A, Freire PCC, Gupta Y, Ransom SM.   +3 more
europepmc   +3 more sources

Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar. [PDF]

Sci Adv, 2018
A citizen science project discovers a new type of gamma-ray millisecond pulsar with no detectable radio pulsations. Millisecond pulsars (MSPs) are old neutron stars that spin hundreds of times per second and appear to pulsate as their emission beams ...
Clark CJ, Pletsch HJ, Wu J, Guillemot L, Kerr M, Johnson TJ, Camilo F, Salvetti D, Allen B, Anderson D, Aulbert C, Beer C, Bock O, Cuéllar A, Eggenstein HB, Fehrmann H, Kramer M, Kwang SA, Machenschalk B, Nieder L, Ackermann M, Ajello M, Baldini L, Ballet J, Barbiellini G, Bastieri D, Bellazzini R, Bissaldi E, Blandford RD, Bloom ED, Bonino R, Bottacini E, Brandt TJ, Bregeon J, Bruel P, Buehler R, Burnett TH, Buson S, Cameron RA, Caputo R, Caraveo PA, Cavazzuti E, Cecchi C, Charles E, Chekhtman A, Ciprini S, Cominsky LR, Costantin D, Cutini S, D'Ammando F, De Luca A, Desiante R, Di Venere L, Di Mauro M, Di Lalla N, Digel SW, Favuzzi C, Ferrara EC, Franckowiak A, Fukazawa Y, Funk S, Fusco P, Gargano F, Gasparrini D, Giglietto N, Giordano F, Giroletti M, Gomez-Vargas GA, Green D, Grenier IA, Guiriec S, Harding AK, Hewitt JW, Horan D, Jóhannesson G, Kensei S, Kuss M, La Mura G, Larsson S, Latronico L, Li J, Longo F, Loparco F, Lovellette MN, Lubrano P, Magill JD, Maldera S, Manfreda A, Mazziotta MN, McEnery JE, Michelson PF, Mirabal N, Mitthumsiri W, Mizuno T, Monzani ME, Morselli A, Moskalenko IV, Nuss E, Ohsugi T, Omodei N, Orienti M, Orlando E, Palatiello M, Paliya VS, de Palma F, Paneque D, Perkins JS, Persic M, Pesce-Rollins M, Porter TA, Principe G, Rainò S, Rando R, Ray PS, Razzano M, Reimer A, Reimer O, Romani RW, Saz Parkinson PM, Sgrò C, Siskind EJ, Smith DA, Spada F, Spandre G, Spinelli P, Thayer JB, Thompson DJ, Torres DF, Troja E, Vianello G, Wood K, Wood M.   +131 more
europepmc   +3 more sources

CONSTRAINING RELATIVISTIC BOW SHOCK PROPERTIES IN ROTATION-POWERED MILLISECOND PULSAR BINARIES. [PDF]

Astrophys J, 2017
Multiwavelength follow-up of unidentified Fermi sources has vastly expanded the number of known galactic-field “black widow” and “redback” millisecond pulsar binaries.
Wadiasingh Z, Harding AK, Venter C, Böttcher M, Baring MG.   +4 more
europepmc   +3 more sources

The Gravitational-wave Background Null Hypothesis: Characterizing Noise in Millisecond Pulsar Arrival Times with the Parkes Pulsar Timing Array [PDF]

The Astrophysical Journal Letters, 2023
The noise in millisecond pulsar (MSP) timing data can include contributions from observing instruments, the interstellar medium, the solar wind, solar system ephemeris errors, and the pulsars themselves.
Daniel J. Reardon, Andrew Zic, Ryan M. Shannon, Valentina Di Marco, George B. Hobbs, Agastya Kapur, Marcus E. Lower, Rami Mandow, Hannah Middleton, Matthew T. Miles, Axl F. Rogers, Jacob Askew, Matthew Bailes, N. D. Ramesh Bhat, Andrew Cameron, Matthew Kerr, Atharva Kulkarni, Richard N. Manchester, Rowina S. Nathan, Christopher J. Russell, Stefan Osłowski, Xing-Jiang Zhu   +21 more
doaj   +2 more sources

Optical pulsations from a transitional millisecond pulsar [PDF]

, 2017
Weakly magnetic, millisecond spinning neutron stars attain their very fast rotation through a 1E8-1E9 yr long phase during which they undergo disk-accretion of matter from a low mass companion star. They can be detected as accretion-powered millisecond X-
Ambrosino, F., Burderi, L., Cretaro, P., Di Fabrizio, L., Di Salvo, T., Ghedina, A., Israel, G. L., Meddi, F., Papitto, A., Riverol, L., Stella, L.   +10 more
core   +3 more sources

SAX J1808.4-3658, an accreting millisecond pulsar shining in gamma rays? [PDF]

, 2015
We report the detection of a possible gamma-ray counterpart of the accreting millisecond pulsar SAX J1808.4-3658. The analysis of ~6 years of data from the Large Area Telescope on board the Fermi Gamma-ray Space Telescope (Fermi-LAT) within a region of ...
Burderi, L., Di Salvo, T., Iaria, R., Li, J., Papitto, A., Rea, N., Riggio, A., Sanna, A., Torres, D. F., Wilhelmi, E. de Ona   +9 more
core   +6 more sources

Search for an Isotropic Gravitational-wave Background with the Parkes Pulsar Timing Array

Astrophysical Journal Letters, 2023
Pulsar timing arrays aim to detect nanohertz-frequency gravitational waves (GWs). A background of GWs modulates pulsar arrival times and manifests as a stochastic process, common to all pulsars, with a signature spatial correlation.
Daniel J Reardon, Andrew Zic, Ryan M Shannon   +2 more
exaly   +2 more sources

The Neutron Star Mass, Distance, and Inclination from Precision Timing of the Brilliant Millisecond Pulsar J0437-4715

The Astrophysical Journal Letters
The observation of neutron stars enables the otherwise impossible study of fundamental physical processes. The timing of binary radio pulsars is particularly powerful, as it enables precise characterization of their (three-dimensional) positions and ...
Daniel J. Reardon, Matthew Bailes, Ryan M. Shannon, Chris Flynn, Jacob Askew, N. D. Ramesh Bhat, Zu-Cheng Chen, Małgorzata Curyło, Yi Feng, George B. Hobbs, Agastya Kapur, Matthew Kerr, Xiaojin Liu, Richard N. Manchester, Rami Mandow, Saurav Mishra, Christopher J. Russell, Mohsen Shamohammadi, Lei Zhang, Andrew Zic   +19 more
doaj   +2 more sources

Swings between rotation and accretion power in a millisecond binary pulsar [PDF]

, 2013
It is thought that neutron stars in low-mass binary systems can accrete matter and angular momentum from the companion star and be spun-up to millisecond rotational periods.
A Papitto, A Papitto, A Patruno, A. Papitto, A. Possenti, A. Riggio, AM Archibald, AS Fruchter, BM Gaensler, C. Ferrigno, D Bhattacharya, D Chakrabarty, D Chakrabarty, D. F. Torres, DA Leahy, DC Backer, E. Bozzo, F Pacini, G. F. Wong, GS Bisnovatyi-Kogan, I. H. Stairs, J van Paradijs, J. M. Sarkissian, J. W. T. Hessels, JM Hartman, L Burderi, L Burderi, L Stella, L. Burderi, L. Pavan, L. Stella, M Burgay, M Ruderman, M. Burgay, M. D. Filipović, M. Falanga, M. H. Wieringa, MA Alpar, N. Rea, P. C. C. Freire, P. Romano, R Wijnands, RN Manchester, S Bogdanov, S Campana, S. Campana, S. M. Ransom, T Di Salvo, T. Di Salvo, V Radhakrishnan, WE Harris, WHG Lewin   +51 more
core   +12 more sources

Discovery of a New Redback Millisecond Pulsar Candidate: 4FGL J0940.3–7610 [PDF]

, 2021
We have discovered a new candidate redback millisecond pulsar binary near the center of the error ellipse of the bright unassociated Fermi-LAT γ-ray source 4FGL J0940.3–7610.
S. Swihart, J. Strader, E. Aydi, L. Chomiuk, K. Dage, L. Shishkovsky   +5 more
semanticscholar   +1 more source