2016ApJ...816...45S

Query : 2016ApJ...816...45S

2016ApJ...816...45S - Astrophys. J., 816, 45 (2016/January-1)

Formation of the double neutron star system PSR J1930-1852.

SHAO Y. and LI X.-D.

Abstract (from CDS):

The spin period (185 ms) and period derivative (1.8 x 10–17 s/s) of the recently discovered double neutron star (DNS) system PSR J1930-1852 indicate that the pulsar was mildly recycled through the process of Roche-lobe overflow. This system has the longest orbital period (45 days) of the known DNS systems, and can be formed from a helium star-NS binary if the initial mass of the helium star was ≲ 4.0 M☉ otherwise, the helium star would never fill its Roche-lobe. At the moment of the supernova explosion, the mass of the helium star was ≲ 30 M☉. We find that the probability distribution of the velocity kick imparted to the new-born neutron star has a maximum at about 30km/s (and a tail up to 260 km/s), indicating that this NS probably received a low kick velocity at birth.

Abstract Copyright: ∼

Journal keyword(s): binaries: general - pulsars: individual: J1930-1852 - stars: evolution - stars: neutron

Simbad objects: 1

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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 J1930-1852 Psr 19 30 29.7156 -18 51 46.270           ~ 54 0

Query : 2016ApJ...816...45S

Basic data :
PSR J1930-1852 -- Pulsar
Other object types: otypes_help 		Psr (PSR)
ICRS coord. (ep=J2000) : 		19 30 29.7156 -18 51 46.270 [ ] D 2015ApJ...812..143M
FK4 coord. (ep=B1950 eq=1950) : 		19 27 34.7422 -18 58 05.953 [ ]
Gal coord. (ep=J2000) : 		019.9755558 -16.8731492 [ ]
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Identifiers (1) :
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PSR J1930-1852

References (54 between 1850 and 2026) (Total 54)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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