2000ApJ...544L..53P

Query : 2000ApJ...544L..53P

2000ApJ...544L..53P - Astrophys. J., 544, L53-L56 (2000/November-3)

The log N-log S distributions of accreting and cooling isolated neutron stars.

POPOV S.B., COLPI M., PROKHOROV M.E., TREVES A. and TUROLLA R.

Abstract (from CDS):

We model populations of isolated neutron stars in the Galaxy following their orbital and magnetorotational evolution. It is shown that accretors become more abundant than coolers at fluxes below ∼10–13 ergs.cm–2.s–1, and one can predict that about one accreting neutron star per square degree should be observed at the Chandra and Newton flux limits of ∼10–16 ergs.cm–2.s–1. The soft ROSAT sources associated with isolated neutron stars can be relatively young cooling objects only if the neutron star birthrate in the solar vicinity during the last ∼106 yr is higher than that inferred from radio pulsar observations.

Abstract Copyright: ∼

Journal keyword(s): Accretion, Accretion Disks - Stars: Kinematics - Stars: Magnetic Fields - Stars: Neutron - Stars: Statistics - X-Rays: Stars

CDS comments: RX J1856 = RX J1856.5-3754, RX J0720 = RX J0720.4-3125, RX J0420 not identified

Simbad objects: 3

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Number of rows : 3
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 RX J0720.4-3125 N* 07 20 24.961 -31 25 50.21   26.1   27.0   ~ 316 0
2 RX J1856.6-3754 Psr 18 56 35.11 -37 54 30.5     25.7     ~ 456 0
3 NAME Local Bubble ISM ~ ~           ~ 1059 0

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