2000ApJ...540L..25Z

Query : 2000ApJ...540L..25Z

2000ApJ...540L..25Z - Astrophys. J., 540, L25-L28 (2000/September-1)

Discovery of 424 millisecond pulsations from the radio-quiet neutron star in the supernova remnant PKS 1209-51/52.

ZAVLIN V.E., PAVLOV G.G., SANWAL D. and TRUMPER J.

Abstract (from CDS):

The central source of the supernova remnant PKS 1209-51/52 was observed with the Advanced CCD Imaging Spectrometer aboard Chandra X-Ray Observatory on 2000 January 6-7. The use of the continuous clocking mode allowed us to perform the timing analysis of the data with a time resolution of 2.85 ms and to find a period P=0.42412924 s±0.23 µs. The detection of this short period proves that the source is a neutron star. It may be either an active pulsar with an unfavorably directed radio beam or a truly radio-silent neutron star whose X-ray pulsations are caused by a nonuniform distribution of surface temperature. To infer the actual properties of this neutron star, the period derivative should be measured.

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Journal keyword(s): Stars: Pulsars: Individual: Alphanumeric: 1E 1207.4-5209 - Stars: Neutron - Stars: Supernovae: Individual: Alphanumeric: PKS 1209-51/52 - X-Rays: Stars

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 - 2026 		#notes
1 PSR B0540-69 Psr 05 40 11.2000490438 -69 19 54.198559829           ~ 976 3
2 PSR B0906-49 Psr 09 08 35.46000 -49 13 05.0000           ~ 168 0
3 PSR B1055-52 Psr 10 57 59.0450 -52 26 56.330           ~ 757 0
4 SNR G295.5+09.7 SNR 12 09 40 -52 25.0           ~ 301 1
5 PSR J1210-5226 Psr 12 10 00.88 -52 26 28.4           ~ 230 1
6 AJG 44 Psr 16 17 33.000 -51 02 00.00           ~ 552 3
7 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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