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J/AZh/88/22   Angles rotation/magnetic moment in pulsars  (Malov+, 2011)

Angles between the rotational axis and magnetic moment in 80 pulsars from observations near 1 GHz. Malov I.F., Nikitina E.B. <Astron. Zh. 88, 22 (2011)> =2011AZh....88...22M =2011ARep...55...19M
ADC_Keywords: Pulsars Abstract: Data on the pulse structure and variations of the linear polarization angle at frequencies near 1GHz have been used to estimate the angles β between the rotational axis and magnetic moment of the neutron stars associated with 80 pulsars. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 41 80 Calculated angles β table2.dat 33 80 Initial pulsar parameters
See also: J/AZh/71/762 : Radio luminosities of 232 pulsars (Malov+, 1994) J/AZh/74/63 : Cluster analysis of pulsar parameters (Malov+, 1997) J/AZh/77/499 : Flux densities of 235 pulsars at 102.5MHz (Malofeev+, 2000) J/PAZh/29/571 : X-ray fluxes of radio pulsars (Malov, 2003) J/AZh/83/542 : Integrated Radio Luminosities of Pulsars (Malov+, 2006) J/AZh/87/238 : Pulse profiles of radio pulsars at 102 and 111MHz (Malov+ 2010) Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 2 I2 --- Seq Pulsar sequential number 4- 7 F4.1 deg beta1 beta angle from Eq. (7) (1) 9- 12 F4.1 deg beta2+ ? beta angle value from Eq.(12) for C>0 (1) 14- 17 F4.1 deg beta2- ? beta angle value from Eq.(12) for C<0 (1) 19- 23 F5.2 deg beta3- ? beta angle value from Eq.(16)-(19) for C<0 (1) 25- 29 F5.2 deg beta3+ ? beta angle value from Eq.(16)-(19) for C>0 (1) 31- 35 F5.2 deg zeta3+ ? zeta angle value from Eq.(16)-(19) for C>0 (1) 37- 41 F5.2 deg theta3+ ? theta angle value from Eq.(16)-(19) for C>0 (1)
Note (1): Definitions of the angles: * β (beta) is the angle between the rotational axis and magnetic moment of the neutron star associated with the pulsar * ζ (zeta) is the angle between the observer's line of sight and the pulsar rotational axis * θ (theta) is the angular radius of the emission cone See text for equations.
Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 2 I2 --- Seq Pulsar sequential number 4- 10 A7 --- PSR PSR name (HHMM-DD) 12- 16 F5.3 s Per Spin period 18- 22 F5.2 --- C ? Derivative of the polarization angle with respect to longitude (dψ/dφ)max (1) 24- 29 F6.4 --- D D parameter (D=cos(W_10_/2), where W_10_ is the profile width at 10% level) (1) 31- 33 A3 --- n Ratio of the emission-cone half-width theta to the angular distance where the line of sight crosses this cone (ζ-β) (1)
Note (1): Initial values of the parameters for the solution of Eq. (12) Eq. (14) and Eq. (15). See text for equations. Values studied for n = θ/(ζ-β) are 5/4, 3/2, 2, 4 and infinity (inf)
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 27-Jan-2011
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