2001MNRAS.326..643J

Query : 2001MNRAS.326..643J

2001MNRAS.326..643J - Mon. Not. R. Astron. Soc., 326, 643-648 (2001/September-2)

The 1997 periastron passage of the binary pulsar PSR B1259-63.

JOHNSTON S., WEX N., NICASTRO L., MANCHESTER R.N. and LYNE A.G.

Abstract (from CDS):

We report here on multifrequency radio observations of the pulsed emission from PSR B1259-63 around the time of the closest approach (periastron) to its B2e companion star. There was a general increase in the dispersion measure (DM) and scatter-broadening of the pulsar, and a decrease in the flux density towards periastron although fluctuation in these parameters were seen on time-scales as short as minutes. The pulsed emission disappeared 16d prior to periastron and remained undetectable until 16d after periastron.

The observations are used to determine the parameters of the wind from the Be star. We show that a simple model, in which the wind density varies with radius as r–2, provides a good fit to the data. The wind is highly turbulent with an outer scale of ≤1010cm and an inner scale perhaps as small as 104cm, a mean density of ∼106cm–3 and a velocity of ∼2000km.s–1 at a distance of ∼50 stellar radii. We find a correlation between DM variations and the pulse scattering times, suggesting that the same electrons are responsible for both effects.


Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): pulsars: individual: PSR B1259-63

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 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 852 0

Query : 2001MNRAS.326..643J

Basic data :
CPD-63 2495 -- High Mass X-ray Binary
Other object types: otypes_help 		Be* (), * (1971PW&SO,CPD,...), X (2022MNRAS,AX,...), gam (2018A&A,4FGL,...), Em* (Hen,THA,...), MIR (AKARI,MSX6C,...), HXB (2013MNRAS), Psr (2012ApJ,PSR), V* (2012A&A,AAVSO), Q? (2021MNRAS), Rad (2013MNRAS), UV (XMMOM), NIR (2MASS)
ICRS coord. (ep=J2000) : 		13 02 47.6544015048 -63 50 08.626970292 (Optical) [ 0.0089 0.0100 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 59 38.2624444635 -63 34 01.600570784 [ 0.0089 0.0100 90 ]
Gal coord. (ep=J2000) : 		304.1835825651141 -00.9915845699421 [ 0.0089 0.0100 90 ]
Proper motions mas/yr : 		-7.093 -0.342 [0.012 0.014 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.4434 [0.0133] A 2020yCat.1350....0G
Spectral type: 		O9.5Ve C 2014MNRAS.439..432C
Fluxes (11) :
U 10.34 [~] D 2003AJ....125.2531R
B 10.72 [0.01] D 2012yCat.1322....0Z
V 9.98 [0.06] D 2012yCat.1322....0Z
R 10.03 [0.01] D 2012yCat.1322....0Z
G 9.632835 [0.002780] C 2020yCat.1350....0G
J 8.026 [0.027] C 2003yCat.2246....0C
H 7.699 [0.055] C 2003yCat.2246....0C
K 7.248 [0.020] C 2003yCat.2246....0C
g 10.66 [0.01] E 2012yCat.1322....0Z
r 9.64 [0.01] E 2012yCat.1322....0Z
i 9.13 [0.04] D 2012yCat.1322....0Z
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Identifiers (44) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

CPD-63 2495 HESS J1302-638 THA 17-8 4XMM J130247.6-635008
AKARI-IRC-V1 J1302480-635009 INTREF 538 TIC 439164152 XMMOM J130247.7-635008
ALS 2883 LLNS 9661 TYC 8997-1597-1 [GM76] 259
AX J1302-638 LS 2883 UCAC2 3710789 [KRL2007b] 130
2CXO J130247.6-635008 2MASS J13024765-6350085 UCAC4 131-076808 [L68] 195
4FGL J1302.9-6349 MSX6C G304.1845-00.9916 uvby98 -006302495 [OKM2018] SWIFT J1302.3-6385
3FHL J1303.0-6350 PSR J1302-6350 1WGA J1302.8-6350 [VDD70] Cen-Mus 1
GEN# -0.06302495 PSR B1259-63 WISEA J130247.65-635008.6 AAVSO 1256-63
GSC 08997-01597 SSTGLMC G304.1836-00.9916 WISE J130247.65-635008.6 Gaia DR3 5862299960127967488
Hbg 757 2SXPS J130247.6-635008 WRAY 15-1053 Gaia DR1 5862299955795862144
Hen 3-852 TeV J1302-638 2XMM J130247.6-635008 Gaia DR2 5862299960127967488

References (852 between 1850 and 2026) (Total 852)
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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Collections of Measurements Description of Measurements

Distance : 2    Var : 1    Plx : 3    PM : 2    SpT : 3   

   

Observing logs
ISO : 2    IUE : 3    XMM : 11   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : CPD-63 2495

Link by name to the catalogue in VizieR :

CPD-63 2495 AKARI-IRC-V1 J1302480-635009 ALS 2883 GSC 08997-01597 LS 2883
2MASS J13024765-6350085 MSX6C G304.1845-00.9916 SSTGLMC G304.1836-00.9916 TYC 8997-1597-1 UCAC2 3710789
UCAC4 131-076808 uvby98 -006302495 WISEA J130247.65-635008.6 WISE J130247.65-635008.6 Gaia DR3 5862299960127967488
Gaia DR1 5862299955795862144 Gaia DR2 5862299960127967488

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