1999MNRAS.306..371H

Query : 1999MNRAS.306..371H

1999MNRAS.306..371H - Mon. Not. R. Astron. Soc., 306, 371-380 (1999/June-3)

Pulsar rotation measures and the magnetic structure of our Galaxy.

HAN J.L., MANCHESTER R.N. and QIAO G.J.

Abstract (from CDS):

We have obtained 63 rotation measures (RMs) from polarization observations of southern pulsars, of which 54 are new measurements and three are varied from previous values. The new pulsar RM data at high Galactic latitudes are mostly consistent with the antisymmetric RM distribution found previously. For the Galactic disc, evidence for a field reversal near the Perseus arm, and possibly another beyond it, is presented. Inside the Solar Circle, in addition to the two known field reversals in or near the Carina-Sagittarius arm and the Crux-Scutum arm, a further reversal in the Norma arm is tentatively identified. These reversals, together with the pitch angle derived from pulsar RM and stellar polarization distributions, are consistent with bisymmetric spiral models for the large-scale magnetic field structure in the disc of our Galaxy. However, discrimination between models is complicated by the presence of smaller scale irregularities in the magnetic field, as well as uncertainties in the theoretical modelling.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): pulsars: general - ISM: magnetic fields - Galaxy: structure - galaxies: magnetic fields

Simbad objects: 74

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Number of rows : 74
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 B0031-07 Psr 00 34 08.9100 -07 21 56.000           ~ 350 0
2 PSR J0108-1431 Psr 01 08 08.29 -14 31 48.5           ~ 113 0
3 PSR J0133-6957 Psr 01 33 32.460 -69 57 29.68           ~ 13 0
4 PSR J0134-2937 Psr 01 34 18.69390 -29 37 17.1570           ~ 60 0
5 PSR B0148-06 Psr 01 51 22.71800 -06 35 02.9800           ~ 112 0
6 PSR B0149-16 Psr 01 52 10.85400 -16 37 53.6300           ~ 130 0
7 PSR B0203-40 Psr 02 06 01.29310 -40 28 03.6160           ~ 62 0
8 PSR B0254-53 Psr 02 55 56.2925 -53 04 21.275           ~ 71 0
9 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
10 PSR J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 1032 0
11 PSR J0459-0210 Psr 04 59 51.941 -02 10 06.60   11.0 10.36     ~ 39 0
12 PSR J0520-2553 Psr 05 20 36.185 -25 53 12.29           ~ 26 0
13 PSR B0538-75 Psr 05 36 30.82900 -75 43 54.6300           ~ 75 0
14 PSR J0540-7125 Psr 05 40 30.80 -71 25 31.4           ~ 17 0
15 PSR B0740-28 Psr 07 42 49.0730 -28 22 43.510           ~ 445 0
16 PSR B0855-61 Psr 08 56 59.27000 -61 37 52.7100           ~ 34 0
17 PSR J0857-4424 Psr 08 57 55.8823806144 -44 24 10.616717376           ~ 39 0
18 PSR B0922-52 Psr 09 24 08.72200 -53 02 42.6000           ~ 48 0
19 PSR B0932-52 Psr 09 34 28.23700 -52 49 27.3000           ~ 55 0
20 PSR B0941-56 Psr 09 42 54.42200 -56 57 43.2100           ~ 54 0
21 PSR B0953-52 Psr 09 55 29.46100 -53 04 16.6400           ~ 50 0
22 PSR J1034-3224 Psr 10 34 19.46000 -32 24 26.2000           ~ 57 0
23 PSR J1036-4926 Psr 10 36 13.12100 -49 26 21.2000           ~ 27 0
24 PSR B1039-55 Psr 10 42 00.48530 -55 21 05.7930           ~ 35 0
25 PSR B1114-41 Psr 11 16 43.08300 -41 22 44.8600           ~ 61 0
26 PSR J1123-4844 Psr 11 23 15.651 -48 44 22.75           ~ 22 0
27 PSR J1126-6942 Psr 11 26 21.66000 -69 42 15.8000           ~ 16 0
28 NAME North Polar Spur ISM 12 00 +00.0           ~ 405 1
29 PSR B1159-58 Psr 12 02 28.3250 -58 20 33.640           ~ 41 0
30 PSR J1209-5556 Psr 12 10 05.98706 -55 59 03.8501           ~ 24 0
31 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1274 0
32 PSR J1253-5819 Psr 12 53 28.41800 -58 20 40.4700           ~ 42 0
33 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 852 0
34 PSR B1325-43 Psr 13 28 06.41980 -43 57 44.5000           ~ 79 0
35 PSR B1325-49 Psr 13 28 33.58 -49 21 33.4           ~ 39 0
36 PSR B1356-60 Psr 13 59 58.2480 -60 38 07.550           ~ 131 0
37 PSR J1418-3921 Psr 14 18 50.28000 -39 21 18.6000           ~ 27 0
38 PSR B1436-63 Psr 14 40 31.2600 -63 44 48.400           ~ 27 0
39 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 581 1
40 PSR B1523-55 Psr 15 27 40.73400 -55 52 08.3520           ~ 36 0
41 PSR B1524-39 Psr 15 27 58.82800 -39 31 34.2000     10.58     ~ 50 0
42 PSR J1542-5034 Psr 15 42 45.32000 -50 34 03.6600           ~ 19 0
43 PSR B1541-52 Psr 15 44 59.82940 -53 08 46.9530           ~ 52 0
44 PSR J1549-4848 Psr 15 49 21.02700 -48 48 36.1000           ~ 55 0
45 PSR J1556-4258 Psr 15 57 00.25445 -42 58 12.3500           ~ 43 0
46 PSR B1555-55 Psr 15 59 20.70000 -55 45 47.0000     13.40     ~ 31 0
47 PSR B1556-44 Psr 15 59 41.5290 -44 38 45.740           ~ 140 0
48 PSR J1603-5657 Psr 16 03 31.460 -56 57 44.19           ~ 22 0
49 PSR B1600-49 Psr 16 04 22.9760 -49 09 57.980     13.00     ~ 83 0
50 PSR J1604-7203 Psr 16 04 29.177 -72 03 30.46           ~ 9 0
51 PSR J1622-4332 Psr 16 22 45.468 -43 32 28.20           ~ 8 0
52 PSR J1648-3256 Psr 16 48 06.070 -32 56 40.80           ~ 25 0
53 PSR B1647-52 Psr 16 51 42.96200 -52 22 58.3800           ~ 50 0
54 PSR J1700-3310 Psr 17 00 52.96000 -33 12 45.0000           ~ 47 0
55 PSR B1719-37 Psr 17 22 59.17000 -37 12 03.0000           ~ 107 0
56 PSR B1737-39 Psr 17 41 18.07900 -39 27 38.1200           ~ 78 0
57 PSR J1750-3506 Psr 17 50 44.501 -35 03 08.90           ~ 28 0
58 PSR B1747-46 Psr 17 51 42.18500 -46 57 26.7200           ~ 124 0
59 PSR B1758-03 Psr 18 01 22.62800 -03 57 55.7000           ~ 54 0
60 PSR J1808-0812 Psr 18 08 09.43200 -08 13 01.8000           ~ 46 0
61 PSR B1826-17 Psr 18 29 43.15000 -17 51 13.0000           ~ 136 0
62 PSR B1846-06 Psr 18 49 06.46470 -06 37 06.9100           ~ 74 0
63 PSR J1852-2610 Psr 18 52 59.47100 -26 10 13.6000           ~ 38 0
64 PSR B1857-26 Psr 19 00 47.54200 -26 00 44.8000           ~ 195 1
65 PSR J1901-0906 Psr 19 01 53.00700 -09 06 10.9000           ~ 55 0
66 PSR J1932-3655 Psr 19 32 06.12800 -36 55 01.7800           ~ 24 0
67 PSR J1946-2913 Psr 19 46 51.75700 -29 13 48.1000           ~ 53 0
68 PSR J1949-2524 Psr 19 49 25.6300 -25 24 12.000           ~ 43 0
69 PSR J2038-3816 Psr 20 38 54.36000 -38 16 15.6000           ~ 17 0
70 PSR B2048-72 Psr 20 53 47.28000 -72 00 42.4800           ~ 60 0
71 PSR J2108-3429 Psr 21 08 30.49 -34 29 37.9           ~ 19 0
72 PSR J2144-3939 Psr 21 44 12.01000 -39 33 58.4000           ~ 145 0
73 PSR B2327-20 Psr 23 30 26.98600 -20 05 29.7500           ~ 133 0
74 PSR J2347-0612 Psr 23 46 50.54000 -06 10 01.0400           ~ 68 0

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