Details
| Original language | English |
|---|---|
| Article number | 137 |
| Number of pages | 14 |
| Journal | Astrophysical Journal |
| Volume | 834 |
| Issue number | 2 |
| Early online date | 9 Jan 2017 |
| Publication status | Published - 10 Jan 2017 |
Abstract
We report on the discovery and timing observations of 29 distant long-period pulsars found in the ongoing Arecibo L-band Feed Array pulsar survey. Following discovery with the Arecibo Telescope, confirmation and timing observations of these pulsars over several years at Jodrell Bank Observatory have yielded high-precision positions and measurements of rotation and radiation properties. We have used multi-frequency data to measure the interstellar scattering properties of some of these pulsars. Most of the pulsars have properties that mirror those of the previously known pulsar population, although four show some notable characteristics. PSRs J1907+0631 and J1925+1720 are young and are associated with supernova remnants or plerionic nebulae: J1907+0631 lies close to the center of SNR G40.5-0.5, while J1925+1720 is coincident with a high-energy Fermi γ-ray source. One pulsar, J1932+1500, is in a surprisingly eccentric, 199 day binary orbit with a companion having a minimum mass of 0.33 M o. Several of the sources exhibit timing noise, and two, PSRs J0611+1436 and J1907+0631, have both suffered large glitches, but with very different post-glitch rotation properties. In particular, the rotational period of PSR J0611+1436 will not recover to its pre-glitch value for about 12 years, a far greater recovery timescale than seen following any other large glitches.
Keywords
- pulsars: general, pulsars: individual (PSR J0611+1436, PSR J1907+0631, PSR J1925+1720, PSR J1932+1500)
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Astronomy and Astrophysics
- Earth and Planetary Sciences(all)
- Space and Planetary Science
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In: Astrophysical Journal, Vol. 834, No. 2, 137, 10.01.2017.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Timing of 29 Pulsars Discovered in the PALFA Survey
AU - Lyne, A. G.
AU - Stappers, B. W.
AU - Bogdanov, S.
AU - Ferdman, R.
AU - Freire, P. C.C.
AU - Kaspi, V. M.
AU - Knispel, B.
AU - Lynch, R.
AU - Allen, B.
AU - Brazier, A.
AU - Camilo, F.
AU - Cardoso, F.
AU - Chatterjee, S.
AU - Cordes, J. M.
AU - Crawford, F.
AU - Deneva, J. S.
AU - Hessels, J. W.T.
AU - Jenet, F. A.
AU - Lazarus, P.
AU - Leeuwen, J. Van
AU - Lorimer, D. R.
AU - Madsen, E.
AU - McKee, J.
AU - McLaughlin, M. A.
AU - Parent, E.
AU - Patel, C.
AU - Ransom, S. M.
AU - Scholz, P.
AU - Seymour, A.
AU - Siemens, X.
AU - Spitler, L. G.
AU - Stairs, I. H.
AU - Stovall, K.
AU - Swiggum, J.
AU - Wharton, R. S.
AU - Zhu, W. W.
AU - Aulbert, C.
AU - Bock, O.
AU - Eggenstein, H. B.
AU - Fehrmann, H.
AU - Machenschalk, B.
PY - 2017/1/10
Y1 - 2017/1/10
N2 - We report on the discovery and timing observations of 29 distant long-period pulsars found in the ongoing Arecibo L-band Feed Array pulsar survey. Following discovery with the Arecibo Telescope, confirmation and timing observations of these pulsars over several years at Jodrell Bank Observatory have yielded high-precision positions and measurements of rotation and radiation properties. We have used multi-frequency data to measure the interstellar scattering properties of some of these pulsars. Most of the pulsars have properties that mirror those of the previously known pulsar population, although four show some notable characteristics. PSRs J1907+0631 and J1925+1720 are young and are associated with supernova remnants or plerionic nebulae: J1907+0631 lies close to the center of SNR G40.5-0.5, while J1925+1720 is coincident with a high-energy Fermi γ-ray source. One pulsar, J1932+1500, is in a surprisingly eccentric, 199 day binary orbit with a companion having a minimum mass of 0.33 M o. Several of the sources exhibit timing noise, and two, PSRs J0611+1436 and J1907+0631, have both suffered large glitches, but with very different post-glitch rotation properties. In particular, the rotational period of PSR J0611+1436 will not recover to its pre-glitch value for about 12 years, a far greater recovery timescale than seen following any other large glitches.
AB - We report on the discovery and timing observations of 29 distant long-period pulsars found in the ongoing Arecibo L-band Feed Array pulsar survey. Following discovery with the Arecibo Telescope, confirmation and timing observations of these pulsars over several years at Jodrell Bank Observatory have yielded high-precision positions and measurements of rotation and radiation properties. We have used multi-frequency data to measure the interstellar scattering properties of some of these pulsars. Most of the pulsars have properties that mirror those of the previously known pulsar population, although four show some notable characteristics. PSRs J1907+0631 and J1925+1720 are young and are associated with supernova remnants or plerionic nebulae: J1907+0631 lies close to the center of SNR G40.5-0.5, while J1925+1720 is coincident with a high-energy Fermi γ-ray source. One pulsar, J1932+1500, is in a surprisingly eccentric, 199 day binary orbit with a companion having a minimum mass of 0.33 M o. Several of the sources exhibit timing noise, and two, PSRs J0611+1436 and J1907+0631, have both suffered large glitches, but with very different post-glitch rotation properties. In particular, the rotational period of PSR J0611+1436 will not recover to its pre-glitch value for about 12 years, a far greater recovery timescale than seen following any other large glitches.
KW - pulsars: general
KW - pulsars: individual (PSR J0611+1436, PSR J1907+0631, PSR J1925+1720, PSR J1932+1500)
UR - http://www.scopus.com/inward/record.url?scp=85010073119&partnerID=8YFLogxK
U2 - 10.48550/arXiv.1608.09007
DO - 10.48550/arXiv.1608.09007
M3 - Article
AN - SCOPUS:85010073119
VL - 834
JO - Astrophysical Journal
JF - Astrophysical Journal
SN - 0004-637X
IS - 2
M1 - 137
ER -