2010MNRAS.401.2675P


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.14CEST14:16:16

2010MNRAS.401.2675P - Mon. Not. R. Astron. Soc., 401, 2675-2686 (2010/February-1)

Population synthesis studies of isolated neutron stars with magnetic field decay.

POPOV S.B., PONS J.A., MIRALLES J.A., BOLDIN P.A. and POSSELT B.

Abstract (from CDS):

We perform population synthesis studies of different types of neutron stars (NSs) (thermally emitting isolated NSs, normal radio pulsars, magnetars) taking into account the magnetic field decay and using results from the most recent advances in NS cooling theory. For the first time, we confront our results with observations using simultaneously the logN-logS distribution for nearby isolated NSs, the logN-logL distribution for magnetars, and the distribution of radio pulsars in the diagram. For this purpose, we fix a baseline NS model (all microphysics input), and other relevant parameters to standard values (velocity distribution, mass spectrum, birth rates, etc.), allowing us to vary the initial magnetic field strength. We find that our theoretical model is consistent with all sets of data if the initial magnetic field distribution function follows a lognormal law with <log(B0/G)> ∼ 13.25 and. The typical scenario includes about 10 per cent of NSs born as magnetars, significant magnetic field decay during the first million years of a NS life (only about a factor of 2 for low-field NSs but more than an order of magnitude for magnetars), and a mass distribution function dominated by low-mass objects. This model explains satisfactorily all known populations. Evolutionary links between different subclasses may exist, although robust conclusions are not yet possible.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

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

Simbad objects: 15

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Number of rows : 15

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Geminga Psr 06 33 54.153 +17 46 12.91           ~ 1109 0
2 PSR B0656+14 Psr 06 59 48.1960 +14 14 19.400   24.85 24.90     ~ 780 1
3 RX J0720.4-3125 N* 07 20 24.961 -31 25 50.21   26.1   27.0   ~ 285 0
4 NAME Vela XYZ Rad 08 34.0 -45 50           ~ 1137 2
5 PSR B1055-52 Psr 10 57 59.0450 -52 26 56.330           ~ 687 0
6 RX J1308.8+2127 N*? 13 08 48.7 +21 27 08   28.6 28.6     ~ 146 1
7 PSR J1550-5418 Psr 15 50 54.18 -54 18 23.9           ~ 352 1
8 RX J1605.3+3249 N*? 16 05 18.9 +32 49 07     26.8     ~ 91 1
9 AX J1809.8-1943 Psr 18 09 51.07 -19 43 51.8           ~ 385 0
10 PSR J1819-1458 Psr 18 19 34.173 -14 58 03.57           ~ 102 0
11 PSR J1836+5925 Psr 18 36 13.661 +59 25 29.77           ~ 127 1
12 PSR J1846-0258 Psr 18 46 24.94 -02 58 30.1           ~ 310 2
13 RX J1856.6-3754 N* 18 56 35.11 -37 54 30.5     25.7     ~ 393 0
14 NAME Magnificent Seven ? ~ ~           ~ 59 1
15 NAME Gould Belt PoG ~ ~           ~ 752 1

    Equat.    Gal    SGal    Ecl

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2021.04.14-14:16:16

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