2009MNRAS.396..894A

Query : 2009MNRAS.396..894A

2009MNRAS.396..894A - Mon. Not. R. Astron. Soc., 396, 894-899 (2009/June-3)

Superfluid signatures in magnetar seismology.

ANDERSSON N., GLAMPEDAKIS K. and SAMUELSSON L.

Abstract (from CDS):

We investigate the role of neutron star superfluidity for magnetar oscillations. Using a plane-wave analysis, we estimate the effects of a neutron superfluid in the elastic crust region. We demonstrate that the superfluid imprint is likely to be more significant than the effects of the crustal magnetic field. We also consider the region immediately beneath the crust, where superfluid neutrons are thought to coexist with a type II proton superconductor. Since the magnetic field in the latter is carried by an array of fluxtubes, the dynamics of this region differ from standard magnetohydrodynamics. We show that the presence of the neutron superfluid (again) leaves a clear imprint on the oscillations of the system. Taken together, our estimates show that the superfluid components cannot be ignored in efforts to carry out `magnetar seismology'. This increases the level of complexity of the modelling problem, but also points to the possibility of using observations to probe the superfluid nature of supranuclear matter.

Journal keyword(s): dense matter - gravitation - MHD - stars: neutron - stars: oscillations

Simbad objects: 1

Full paper

View the references in ADS

Number of rows : 1

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 J1808-2024	Psr	18 08 39.32	-20 24 40.1						~	1316	2

Query : 2009MNRAS.396..894A

Basic data :

PSR J1808-2024 -- Pulsar
Other object types:	`X (2022MNRAS,AX,...)`, `gB (GBS,GRB,...)`, `Psr (2012ApJ,PSR)`, `gam (INTEGRAL1,INTREF)`, `Rad (MITG)`, `IR ([FMC99])`
ICRS coord. (ep=J2000) :	`18 08 39.32 -20 24 40.1 (X-ray) [ 100 100 90 ] C 2012ApJ...756...27L`
FK4 coord. (ep=B1950 eq=1950) :	`18 05 40.68 -20 25 11.4 [ 100 100 90 ]`
Gal coord. (ep=J2000) :	`009.99584 -00.24194 [ 100 100 90 ]`

Overlay

points in this preview

2MASS DSS

All

(CDSPortal)

Send to

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

An access of full data is available using the icon Vizier near the identifier of the catalogue

`PSR J1808-2024`	`GRB 041227`	`KONUS 07.01.79`	`SWIFT J1808.6-2024`
`AX 1805.7-2025`	`HETE Trigger 3800`	`MITG J1808-2024`	`2XMM J180839.2-202439`
`CXOU J180839.3-202439`	`HETE Trigger 3801`	`NAME Sgr 1806-20`	`[ABH87] 25`
`GBS 1806-20`	`HETE Trigger 1566`	`PBC J1808.5-2025`	`[FMC99] O`
`GRB 970912`	`INTEGRAL1 84`	`RX J1808.6-2024`	`[KRL2007b] 305`
`GRB 790107`	`INTREF 882`	`SWIFT J1808.7-2024`	`EQ 1805.7-2025`

References (1316 between 1850 and 2026) (Total 1316)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

Follow new references on this object

Collections of Measurements

Observing logs

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : PSR J1808-2024

Link by name to the catalogue in VizieR :

MITG J1808-2024

Search by coordinates in Vizier (radius: 5 arcsec)

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

The annotation server is currently not available. Sorry for any inconvenience

To bookmark this query, right click on this link: simbad:objects in 2009MNRAS.396..894A and select 'bookmark this link' or equivalent in the popup menu