2019MNRAS.485....2C

Query : 2019MNRAS.485....2C

2019MNRAS.485....2C - Mon. Not. R. Astron. Soc., 485, 2-12 (2019/May-1)

Pulse frequency fluctuations of magnetars.

CERRI-SERIM D., SERIM M.M., SAHINER S., INAM S.C. and BAYKAL A.

Abstract (from CDS):

Using RXTE, Chandra, XMM-Newton and Swift observations, we construct the power spectra and torque noise strengths of magnetars for the first time. For some of the sources, on time-scales of months to years, we measure strong red noise that might be a consequence of their outbursts. We compare the noise strengths of magnetars with those of radio pulsars by investigating the possible correlations of noise strength with spin-down rate, magnetic field and age. Using these correlations, we find that the noise strengths of magnetars obey similar trends as radio pulsars. However, we do not find any correlation between noise strength and X-ray luminosity, a correlation that has been seen in accretion-powered pulsars. Our findings suggest that the noise behaviour of magnetars resembles that of radio pulsars, but magnetars possess higher noise levels likely because of their stronger magnetic fields.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: magnetars - stars: neutron - pulsars: general

Simbad objects: 27

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Number of rows : 27
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 PSR J0100-7211 Psr 01 00 42.86 -72 11 33.3   17.69 17.82     B3V 95 0
2 SXP 1062 HXB 01 27 45.9424650912 -73 32 56.376382920   14.32 14.36     B0.5(III)e 86 1
3 PSR J0146+6145 Psr 01 46 22.21 +61 45 03.8   28.100 25.620     ~ 570 0
4 NAME Sgr J0418+5729 gam 04 18 33.867 +57 32 22.91           ~ 223 0
5 2XMM J050106.5+451634 X 05 01 08.0 +45 16 31           ~ 122 0
6 PSR B0525-66 Psr 05 26 00.7 -66 04 35           ~ 545 1
7 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5258 0
8 2E 2336 HXB 10 50 08.93 -59 53 19.9           Be 405 0
9 PSR J1119-6127 Psr 11 19 14.30 -61 27 49.5           ~ 403 1
10 PSR J1550-5418 Psr 15 50 54.18 -54 18 23.9           ~ 409 1
11 PSR J1622-4950 Psr 16 22 44.80 -49 50 54.4           ~ 145 0
12 GRB 980618A gB 16 35 52 -47 35.2           ~ 263 0
13 PSR J1647-4552 Psr 16 47 10.18 -45 52 16.7           ~ 198 1
14 PSR J1708-4008 Psr 17 08 49.0 -40 09 10           ~ 293 0
15 [AAB2008] 1 X 17 14 05.758 -38 10 31.32           ~ 60 1
16 PSR J1745-2900 Psr 17 45 40.1640 -29 00 29.818           ~ 315 0
17 PSR J1808-2024 Psr 18 08 39.32 -20 24 40.1           ~ 1240 2
18 AX J1809.8-1943 Psr 18 09 51.07 -19 43 51.8           ~ 463 0
19 1WGA J1822.2-1604 X 18 22 18.32 -16 04 27.2           ~ 130 0
20 NAME Sgr 1833-0832 gam 18 33 46.0 -08 32 13           ~ 80 0
21 SWIFT J1834.9-0846 N*? 18 34 52.768 -08 45 40.83           ~ 86 0
22 PSR J1841-0456 Psr 18 41 19.29 -04 56 11.4           ~ 265 1
23 PSR J1846-0258 Psr 18 46 24.94 -02 58 30.1           ~ 347 2
24 3XMM J185246.6+003317 Psr 18 52 46.60 +00 33 20.9           ~ 37 0
25 GBS 1900+14 gB 19 07 13 +09 19.6           ~ 857 0
26 NAME Sgr 1935+2154 * 19 34 55.68 +21 53 48.2           ~ 580 1
27 2E 4673 HXB 23 01 08.14 +58 52 44.5           ~ 633 1

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