2005MNRAS.363..929C

Query : 2005MNRAS.363..929C

2005MNRAS.363..929C - Mon. Not. R. Astron. Soc., 363, 929-936 (2005/November-1)

Arecibo timing and single-pulse observations of 17 pulsars.

CHAMPION D.J., LORIMER D.R., McLAUGHLIN M.A., XILOURIS K.M., ARZOUMANIAN Z., FREIRE P.C.C., LOMMEN A.N., CORDES J.M. and CAMILO F.

Abstract (from CDS):

We report on timing and single-pulse observations of 17 pulsars discovered at the Arecibo Observatory. The highlights of our sample are the recycled pulsars J1829+2456, J1944+0907 and the drifting subpulses observed in PSR J0815+0939. For the double neutron star binary J1829+2456, in addition to improving upon our existing measurement of relativistic periastron advance, we have now measured the pulsar's spin-period derivative. This new result sets an upper limit on the transverse speed of 120 km/s and a lower limit on the characteristic age of 12.4 Gyr. From our measurement of proper motion of the isolated 5.2-ms pulsar J1944+0907, we infer a transverse speed of 188 ±65km/s. This is higher than that of any other isolated millisecond pulsar. An estimate of the speed, using interstellar scintillation, of 235 ±45 km/s indicates that the scattering medium along the line of sight is non-uniform. We discuss the drifting subpulses detected from three pulsars in the sample, in particular the remarkable drifting subpulse properties of the 645-ms pulsar J0815+0939. Drifting is observed in all four components of the pulse profile, with the sense of drift varying among the different components. This unusual `bi-drifting' behaviour challenges standard explanations of the drifting subpulse phenomenon.

Abstract Copyright: 2005 RAS

Journal keyword(s): radiation mechanisms: non-thermal - pulsars: general - pulsars: individual: PSR J0815+0939 - pulsars: individual: PSR J1829+2456 - pulsars: individual: PSR J1944+0907

Simbad objects: 23

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Number of rows : 23
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PSR J0152+0948 Psr 01 52 23.7 +09 48 10           ~ 9 0
2 PSR J0546+2441 Psr 05 46 28.8 +24 41 21           ~ 14 0
3 PSR J0737-3039A Psr 07 37 51.24669 -30 39 40.6895           ~ 317 1
4 PSR J0737-3039B Psr 07 37 51.24927 -30 39 40.7195           ~ 222 1
5 PSR J0815+09 Psr 08 15 08.78 +09 39 50.7           ~ 42 0
6 PSR B0943+10 Psr 09 46 07.31 +09 51 57.3           ~ 364 1
7 PSR B1257+12 Psr 13 00 03.1075 +12 40 55.155           ~ 546 1
8 PSR J1503+2111 Psr 15 03 54.60 +21 11 09.3           ~ 24 0
9 PSR J1518+4904 Psr 15 18 16.832 +49 04 34.19           ~ 201 1
10 PSR J1746+2245 Psr 17 46 00.84 +22 45 28.9           ~ 15 0
11 PSR J1807+07 Psr 18 07 51.235 +07 56 43.39           ~ 10 0
12 PSR J1821+17 Psr 18 21 13.503 +17 15 47.06           ~ 15 0
13 PSR J1829+2456 Psr 18 29 34.6668 +24 56 18.193           ~ 89 1
14 PSR J1843+20 Psr 18 43 26.18 +20 24 54.6           ~ 10 0
15 PSR J1849+2423 Psr 18 49 34.6763 +24 23 45.976           ~ 14 0
16 PSR J1915+07 Psr 19 15 01.94 +07 52 09.2           ~ 16 0
17 PSR J1915+1606 Psr 19 15 27.99999 +16 06 27.4034     22.5     ~ 1032 1
18 PSR J1916+07 Psr 19 16 51.5 +07 48 00           ~ 14 0
19 PSR J1918+08 Psr 19 17 48.853 +08 34 54.63           ~ 16 0
20 PSR J1933+07 Psr 19 33 19.407 +07 58 07.01           ~ 7 0
21 PSR J1944+0907 Psr 19 44 09.32 +09 07 23.2           ~ 65 1
22 PSR J2007+0910 Psr 20 07 58.10 +09 10 12.9           ~ 14 0
23 PSR J2045+0912 Psr 20 45 47.34 +09 12 29.2           ~ 9 0

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