Zobrazeno 1 - 10
of 557
pro vyhledávání: '"Weisberg, J."'
Publikováno v:
In Clinical Oncology July 2023 35(7):e421-e433
Using the Very Long Baseline Array, we have made astrometric observations of the binary pulsar B1913+16 spanning an 18 month period in 2014 - 2015. From these observations we make the first determination of the annual geometric parallax of B1913+16,
Externí odkaz:
http://arxiv.org/abs/1806.10265
Autor:
van Leeuwen, Joeri, Kasian, Laura, Stairs, Ingrid H., Lorimer, D. R., Camilo, F., Chatterjee, S., Cognard, I., Desvignes, G., Freire, P. C. C., Janssen, G. H., Kramer, M., Lyne, A. G., Nice, D. J., Ransom, S. M., Stappers, B. W., Weisberg, J. M.
PSR J1906+0746 is a young pulsar in the relativistic binary with the second-shortest known orbital period, of 3.98 hours. We here present a timing study based on five years of observations, conducted with the 5 largest radio telescopes in the world,
Externí odkaz:
http://arxiv.org/abs/1411.1518
Autor:
Weisberg, J. M., Paglen, T.
Geostationary satellites are unique among orbital spacecraft in that they experience no appreciable atmospheric drag. After concluding their respective missions, geostationary spacecraft remain in orbit virtually in perpetuity. As such, they represen
Externí odkaz:
http://arxiv.org/abs/1208.4637
Publikováno v:
The Astrophysical Journal, Volume 755, Issue 1, article id. 39 (2012)
Accurate distances to pulsars can be used for a variety of studies of the Galaxy and its electron content. However, most distance measures to pulsars have been derived from the absorption (or lack thereof) of pulsar emission by Galactic HI gas, which
Externí odkaz:
http://arxiv.org/abs/1206.0428
We present results from multi-epoch neutral hydrogen (HI) absorption observations of six bright pulsars with the Arecibo telescope. Moving through the interstellar medium (ISM) with transverse velocities of 10--150 AU/yr, these pulsars have swept acr
Externí odkaz:
http://arxiv.org/abs/1007.1123
Autor:
Weisberg, J. M., Stanimirovic, S., Xilouris, K., Hedden, A., de la Fuente, A., Anderson, S. B., Jenet, F. A.
We have used the Arecibo telescope to measure the HI absorption spectra of eight pulsars. We show how kinematic distance measurements depend upon the values of the galactic constants R_o and Theta_o, and we select our preferred current values from th
Externí odkaz:
http://arxiv.org/abs/0709.3854
Autor:
Weisberg, J. M., Stanimirovic, S.
We describe the use of pulsars to study small-scale neutral structure in the interstellar medium (ISM). Because pulsars are high velocity objects, the pulsar-Earth line of sight sweeps rapidly across the ISM. Multiepoch measurements of pulsar interst
Externí odkaz:
http://arxiv.org/abs/astro-ph/0701771
Publikováno v:
Mon.Not.Roy.Astron.Soc.Lett. 370 (2006) L76-L79
We present an analysis of the spin-down parameters for 131 radio pulsars for which $\ddot\nu$ has been well determined. These pulsars have characteristic ages ranging from $10^{3} - 10^{8}$ yr and spin periods in the range 0.4--30 s; nearly equal num
Externí odkaz:
http://arxiv.org/abs/astro-ph/0605380
Publikováno v:
Mon.Not.Roy.Astron.Soc.364:1397-1412,2005
We present strong observational evidence for a relationship between the direction of a pulsar's motion and its rotation axis. We show carefully calibrated polarization data for 25 pulsars, 20 of which display linearly polarized emission from the puls
Externí odkaz:
http://arxiv.org/abs/astro-ph/0510260