2007MNRAS.381.1625J

Query : 2007MNRAS.381.1625J

2007MNRAS.381.1625J - Mon. Not. R. Astron. Soc., 381, 1625-1637 (2007/November-2)

Evidence for alignment of the rotation and velocity vectors in pulsars - II. Further data and emission heights.

JOHNSTON S., KRAMER M., KARASTERGIOU A., HOBBS G., ORD S. and WALLMAN J.

Abstract (from CDS):

We have conducted observations of 22 pulsars at frequencies of 0.7, 1.4 and 3.1 GHz and present their polarization profiles. The observations were carried out for two main purposes. First, we compare the orientation of the spin and velocity vectors to verify the proposed alignment of these vectors by Johnston et al. We find, for the 14 pulsars for which we were able to determine both vectors, that seven are plausibly aligned, a fraction which is lower than, but consistent with, earlier measurements. Secondly, we use profiles obtained simultaneously at widely spaced frequencies to compute the radio emission heights. We find, similar to other workers in the field, that radiation from the centre of the profile originates from lower in the magnetosphere than the radiation from the outer parts of the profile.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): techniques: polarimetric - pulsars: general

CDS comments: In chap. 4.2: PSR J1801-2401 is a misprint for PSR J1801-2451.

Simbad objects: 24

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Number of rows : 24
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 B0450-18 Psr 04 52 34.11900 -17 59 23.1500           ~ 203 1
2 PSR B0525+21 Psr 05 28 52.308 +22 00 01.00     14.30     ~ 370 0
3 PSR B0540+23 Psr 05 43 09.65 +23 29 06.1     14.40     ~ 278 0
4 PSR B0611+22 Psr 06 14 17.0324288405 +22 29 57.017874999           ~ 285 0
5 PSR B0656+14 Psr 06 59 48.18800 +14 14 19.2000   24.85 24.90     ~ 943 1
6 PSR B0736-40 Psr 07 38 32.2620 -40 42 39.420           ~ 212 0
7 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
8 PSR B0834+06 Psr 08 37 05.64620 +06 10 15.8700           ~ 472 0
9 PSR B0835-41 Psr 08 37 21.1943 -41 35 14.563     12.69     ~ 149 0
10 PSR B1556-44 Psr 15 59 41.5290 -44 38 45.740           ~ 140 0
11 PSR B1600-49 Psr 16 04 22.9760 -49 09 57.980     13.00     ~ 83 0
12 PSR B1732-07 Psr 17 35 04.9730 -07 24 52.130           ~ 74 0
13 PSR B1749-28 Psr 17 52 58.70700 -28 06 36.0000           ~ 277 1
14 PSR B1757-24 Psr 18 01 00.016 -24 51 27.50           ~ 258 1
15 NAME Milne 56 SNR 18 02 10.000 -24 54 00.00           ~ 182 3
16 PSR B1818-04 Psr 18 20 52.5920 -04 27 37.120           ~ 230 0
17 PSR B1822-09 Psr 18 25 30.62000 -09 35 22.0000           ~ 382 0
18 PSR B1838-04 Psr 18 41 05.66300 -04 25 19.5000           ~ 66 0
19 PSR B1848+13 Psr 18 50 35.473 +13 35 58.39           ~ 49 0
20 PSR B1913+10 Psr 19 15 29.99300 +10 09 43.5800           ~ 102 0
21 PSR B1915+09 Psr 19 16 32.33300 +09 51 25.9700           ~ 100 0
22 PSR B1935+25 Psr 19 37 01.2544 +25 44 13.436           ~ 60 0
23 PSR B2045-16 Psr 20 48 35.74000 -16 16 45.0000           ~ 344 0
24 PSR B2327-20 Psr 23 30 26.98600 -20 05 29.7500           ~ 133 0

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