1999A&A...343..650Y


Query : 1999A&A...343..650Y

1999A&A...343..650Y - Astronomy and Astrophysics, volume 343, 650-660 (1999/3-2)

Neutrino emission due to Cooper pairing of nucleons in cooling neutron stars.

YAKOVLEV D.G., KAMINKER A.D. and LEVENFISH K.P.

Abstract (from CDS):

The neutrino energy emission rate due to formation of Cooper pairs of neutrons and protons in the superfluid cores of neutron stars is studied. The cases of singlet-state pairing with isotropic superfluid gap and triplet-state pairing with anisotropic gap are analysed. The neutrino emission due to the singlet-state pairing of protons is found to be greatly suppressed with respect to the cases of singlet- or triplet-state pairings of neutrons. The neutrino emission due to pairing of neutrons is shown to be very important in the superfluid neutron-star cores with the standard neutrino luminosity and with the luminosity enhanced by the direct Urca process. It can greatly accelerate both, standard and enhanced, cooling of neutron stars with superfluid cores. This enables one to interpret the data on surface temperatures of six neutron stars, obtained by fitting the observed spectra with the hydrogen atmosphere models, by the standard cooling with moderate nucleon superfluidity.

Abstract Copyright:

Journal keyword(s): dense matter - stars: neutron

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 TYC 4018-3227-1 * 00 02 55.7100664872 +62 46 17.662572696   12.49 11.67     ~ 38 1
2 NAME Geminga Psr 06 33 54.153 +17 46 12.91           ~ 1135 0
3 PSR B0656+14 Psr 06 59 48.1960 +14 14 19.400   24.85 24.90     ~ 804 1
4 PSR J0821-4300 Psr 08 21 58.2 -43 00 22           ~ 120 2
5 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2186 1
6 PSR B1055-52 Psr 10 57 59.0450 -52 26 56.330           ~ 697 0
7 PSR J1210-5226 Psr 12 10 00.88 -52 26 28.4           ~ 220 1

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2022.05.27-14:57:04

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