2001MNRAS.322..715J

Query : 2001MNRAS.322..715J

2001MNRAS.322..715J - Mon. Not. R. Astron. Soc., 322, 715-722 (2001/April-3)

HI line measurements of pulsars towards the Galactic Centre and the electron density in the inner Galaxy.

JOHNSTON S., KORIBALSKI B., WEISBERG J.M. and WILSON W.

Abstract (from CDS):

We have measured 21-cm absorption and emission spectra in the direction of a further seven southern pulsars with the Parkes telescope to derive their kinematic distances and to study the interstellar medium. For the first time we have successfully obtained Hi absorption measurements for PSRs J1602-5100, J1740-3015 and J1745-3040. We have also significantly improved the sensitivity and resolution on PSRs J1600-5044, J1752-2806 and J1825-0935, the spectra of which have previously been measured, and have corrected an error in the published distance to PSR J1824-1945.

Since the Frail & Weisberg summary of pulsar distances in 1990, a further 23 pulsars now have measured Hi distances, mainly through the efforts of the current group. We discuss the Taylor & Cordes electron density model in light of these new measurements and find that, although the model towards the Galactic Centre appears good, the line of sight through the Carina spiral arm is poorly fitted by the model.


Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): stars: distances - pulsars: general - radio lines: ISM

Simbad objects: 46

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Number of rows : 46
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 B0740-28 Psr 07 42 49.0730 -28 22 43.510           ~ 445 0
2 PSR B0905-51 Psr 09 07 15.90100 -51 57 59.3600           ~ 82 0
3 PSR B0906-49 Psr 09 08 35.46000 -49 13 05.0000           ~ 168 0
4 PSR B0940-55 Psr 09 42 14.88000 -55 52 55.1000           ~ 101 0
5 PSR B1046-58 Psr 10 48 13.10000 -58 32 03.0000           ~ 293 0
6 PSR B1054-62 Psr 10 56 25.5840 -62 58 47.690           ~ 94 0
7 PSR B1221-63 Psr 12 24 22.2740 -64 07 53.834           ~ 122 0
8 PSR B1323-58 Psr 13 26 58.2170 -58 59 29.290           ~ 82 0
9 PSR B1358-63 Psr 14 01 52.45000 -63 57 42.0000           ~ 83 0
10 PSR B1449-64 Psr 14 53 32.6546 -64 13 16.047           ~ 158 0
11 PSR B1556-44 Psr 15 59 41.5290 -44 38 45.740           ~ 140 0
12 PSR B1557-50 Psr 16 00 53.0150 -50 44 21.300           ~ 119 0
13 PSR B1558-50 Psr 16 02 18.7300 -51 00 06.100           ~ 104 0
14 PSR B1648-42 Psr 16 51 48.79700 -42 46 09.9700           ~ 72 0
15 PSR B1703-40 Psr 17 07 21.78000 -40 53 55.1000           ~ 55 0
16 PSR B1706-44 Psr 17 09 42.62000 -44 29 12.0000     13.30     ~ 670 1
17 PSR B1718-35 Psr 17 21 32.76 -35 32 48.3           ~ 86 0
18 NVSS J173743-313116 Rad 17 37 43.8 -31 31 17           ~ 8 2
19 NAME Tornado Nebula SNR 17 40 16.360 -30 58 18.87           ~ 148 0
20 PSR B1737-30.2 Psr 17 40 33.98000 -30 15 22.0000           ~ 236 0
21 NVSS J174213-294958 Rad 17 42 13.2 -29 49 56           ~ 8 1
22 NAME Gal Center Snake Rad 17 44 17.9 -29 46 00           ~ 62 1
23 QSO J1744-3116 Bla 17 44 23.57824 -31 16 36.2943           ~ 168 1
24 SNR G359.1-00.5 SNR 17 45 30 -29 57.0           ~ 179 1
25 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
26 RCW 137 HII 17 45 42.3 -29 22 06           ~ 15 0
27 PSR B1742-30 Psr 17 45 56.30810 -30 40 23.3000           ~ 182 0
28 OH 000.3-00.2 OH* 17 47 06.94704 -28 44 41.9136           O-rich 78 1
29 LBN 3 HII 17 47 08.0 -28 46 30           ~ 83 3
30 IRAS 17439-2845 HII 17 47 08.6 -28 46 18           ~ 91 1
31 NAME Mouse Rad 17 47 15.78 -29 58 01.0           ~ 120 1
32 RCW 142 HII 17 50 15.3 -28 54 03           ~ 64 0
33 OH 001.10-00.80 OH* 17 51 26.7752257296 -28 25 37.055907804         17.518 O-rich 48 1
34 PSR B1749-28 Psr 17 52 58.70700 -28 06 36.0000           ~ 277 1
35 PSR B1758-23 Psr 18 01 19.8149 -23 04 44.630           ~ 153 0
36 NGC 6578 PN 18 16 16.5071627654 -20 27 02.743192002           [WC4/6] 211 0
37 RAFGL 5471 OH* 18 20 36.9828528744 -18 47 09.848348520           O-rich 43 0
38 EQ 1817-098 Rad 18 20.7 -09 48           ~ 4 0
39 PMN J1822-0939 Rad 18 22 28.792 -09 38 57.03           ~ 49 1
40 PSR B1821-19 Psr 18 24 00.43600 -19 45 44.5000           ~ 101 0
41 PSR B1822-09 Psr 18 25 30.62000 -09 35 22.0000           ~ 382 0
42 [GPD88] 019.609-0.235 Rad 18 27 38.1 -11 56 36           ~ 2 0
43 SNR G021.5-00.9 SNR 18 33 33.612 -10 34 07.69           ~ 490 1
44 PSR B1830-08 Psr 18 33 40.24500 -08 27 30.9000           ~ 155 1
45 GAL 023.956+00.150 Rad 18 34 25.4 -07 54 42           ~ 4 0
46 GPSR 024.799+0.097 Rad 18 36 14.4 -07 10 47           ~ 5 0

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