2001ApJ...554L.189P

Query : 2001ApJ...554L.189P

2001ApJ...554L.189P - Astrophys. J., 554, L189-L192 (2001/June-3)

Variability of the Vela pulsar wind nebula observed with Chandra.

PAVLOV G.G., KARGALTSEV O.Y., SANWAL D. and GARMIRE G.P.

Abstract (from CDS):

The observations of the pulsar wind nebula (PWN) around the Vela pulsar with the Advanced CCD Imaging Spectrometer aboard the Chandra X-Ray Observatory, taken on 2000 April 30 and November 30, reveal its complex morphology reminiscent of that of the Crab PWN. Comparison of the two observations shows changes up to 30% in the surface brightness of the PWN features. Some of the PWN elements show appreciable shifts, up to a few arcseconds (∼1016 cm), and/or spectral changes. Such variations hold the potential to provide a new diagnostics for the study of PWNe.

Abstract Copyright: ∼

Journal keyword(s): ISM: Individual: Name: Vela Supernova Remnant - Stars: Pulsars: Individual: Alphanumeric: PSR B0833-45 - X-rays: individual (Vela Pulsar Wind Nebula)

Nomenclature: Fig.1: [PKS2001] Na (Nos 1, 2a-2b, 3, 4a-4b, 5-7, 8a-8b).

Simbad objects: 4

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Number of rows : 4
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 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
2 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
3 NAME Vela SNR 08 34.0 -45 50           ~ 1331 2
4 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1

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