2015MNRAS.454.2668O

Query : 2015MNRAS.454.2668O

2015MNRAS.454.2668O - Mon. Not. R. Astron. Soc., 454, 2668-2676 (2015/December-2)

Analysing neutron star in HESS J1731-347 from thermal emission and cooling theory.

OFENGEIM D.D., KAMINKER A.D., KLOCHKOV D., SULEIMANOV V. and YAKOVLEV D.G.

Abstract (from CDS):

The central compact object in the supernova remnant HESS J1731-347 appears to be the hottest observed isolated cooling neutron star. The cooling theory of neutron stars enables one to explain observations of this star by assuming the presence of strong proton superfluidity in the stellar core and the existence of the surface heat blanketing envelope which almost fully consists of carbon. The cooling model of this star is elaborated to take proper account of the neutrino emission due to neutron-neutron collisions which is not suppressed by proton superfluidity. Using the results of spectral fits of observed thermal spectra for the distance of 3.2 kpc and the cooling theory for the neutron star of age 27 kyr, new constraints on the stellar mass and radius are obtained which are more stringent than those derived from the spectral fits alone.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): dense matter - equation of state - neutrinos - stars: neutron

CDS comments: XMMU J173203.3-34418 is a misprint for XMMU J173203.3-344518.

Simbad objects: 22

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Number of rows : 22
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 J0007+7303 Psr 00 07 00.6000137 +73 03 06.849976           ~ 183 1
2 SNR G130.7+03.1 SNR 02 05 35.73 +64 49 41.3           ~ 661 4
3 PSR J0357+32 Psr 03 57 52.161 +32 05 23.63           ~ 104 0
4 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
5 PSR J0538+2813 Psr 05 38 25.06 +28 17 11.0           ~ 224 1
6 PSR J0633+1746 Psr 06 33 54.153 +17 46 12.91           ~ 1308 0
7 PSR B0656+14 Psr 06 59 48.18800 +14 14 19.2000   24.85 24.90     ~ 943 1
8 RX J0720.4-3125 N* 07 20 24.961 -31 25 50.21   26.1   27.0   ~ 316 0
9 RX J0822.0-4300 X 08 22 26.84204 -43 10 26.2350           ~ 48 1
10 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
11 PSR B1055-52 Psr 10 57 59.0450 -52 26 56.330           ~ 757 0
12 PSR J1119-6127 Psr 11 19 14.30 -61 27 49.5           ~ 439 1
13 PSR J1210-5226 Psr 12 10 00.88 -52 26 28.4           ~ 230 1
14 PSR J1357-6429 Psr 13 57 02.525 -64 29 29.89           ~ 171 1
15 PSR B1706-44 Psr 17 09 42.62000 -44 29 12.0000     13.30     ~ 670 1
16 SNR G353.6-00.7 SNR 17 31 55.0 -34 42 36           ~ 172 0
17 XMMU J173203.3-344518 X 17 32 03.3 -34 45 18           ~ 40 0
18 PSR J1741-2054 Psr 17 41 57.282 -20 54 04.11           ~ 123 1
19 RX J1856.6-3754 Psr 18 56 35.11 -37 54 30.5     25.7     ~ 456 0
20 PSR J2043+2740 Psr 20 43 43.5 +27 40 56           ~ 137 0
21 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1
22 PSR B2334+61 Psr 23 37 05.779 +61 51 01.69           ~ 206 1

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