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J/AZh/74/63         Cluster analysis of pulsar parameters    (Malov+, 1997)

Cluster analysis of pulsar parameters Malov I.F., Malov O.I. <Astron. Zh. 74, 63 (1997)> =1997AZh....74...63M (SIMBAD/NED BibCode) =1997ARep...41...56M
ADC_Keywords: Pulsars ; Combined data Description: The catalogue of pulsars with several calculated data is used by the cluster analysis for the division of pulsars into groups. Pulsars with periods P>1s and P<0.1s form two separate classes; the short-period objects, in turn, divide into two groups. One of these consist of young pulsars that form in the galactic plane or in globular clusters, while the other group consist of spun-up pulsars. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 100 218 Pulsar catalogue
Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Seq [001-218] Running number 5- 13 A9 --- PSR Name of pulsar 15- 19 F5.3 s Per Period 21- 29 F9.5 fs/s Pdot Period derivative 31- 38 F8.4 ms w50 ? Profile width at 50% of peak 40- 44 F5.2 [10-7W] logL Log of integrated radio luminosity 48- 52 F5.2 [G] logB Log of magnetic field in gauss at the surface 54- 57 F4.2 [yr] logAge Log of characteristic age in years 59- 62 F4.2 kpc |z| Distance from the galactic plane 65- 67 F3.1 --- alf2 ? Spectral index of the linear part of pulsar spectrum 69- 72 F4.2 GHz numax ? Frequency of the maximum of the spectrum 74- 77 F4.2 GHz nucut ? Frequency of the cutoff in the spectrum 80- 83 F4.2 [G] logBlc Magnetic field in gauss at the light cylinder 85- 88 F4.1 deg beta ? Angle between rotation and magnetic axes 90- 94 F5.2 --- C ? Maximum derivative of linear polarization position angle 96-100 F5.2 --- logeta Log of efficiency of the transformation of rotation energy into radio emission (always negative)
Table 5: Pulsars with P<0.1s ----------------------------------------------------- No. PSR P,s Pdot logL |z| ----------------------------------------------------- p1 B0531+21 0.033 420.96 31.84 0.20 p2 0833-45 0.089 124.68 29.30 0.02 p3 1620-26 0.011 81.56E-5 30.57 0.61 p4 1821-24 0.003 0.00161 30.98 0.38 p5 1855+09 0.005 1.78E-5 28.35 0.02 p6 1937+21 0.002 1.05E-5 31.16 0.03 p7 1951+32 0.040 5.8494 28.76 0.06 p8 J0437-4715 0.006 0.00012 28.38 0.09 p9 B1257+12 0.006 1.21E-4 28.17 0.60 p10 1516+02A 0.006 6E-5 29.04 5.10 p11 1534+12 0.038 0.00243 28.56 0.51 p12 1802-07 0.023 0.00047 28.85 0.37 p13 1830-08 0.085 9.1698 29.89 0.01 p14 1913+16 0.059 8.63E-3 29.82 0.26 p15 1953+29 0.006 2.95E-5 30.20 0.04 p16 1957+20 0.002 1.68E-5 29.08 0.13 p17 J2019+2425 0.004 8.3E-6 28.40 0.10 p18 B2127+11G 0.038 0.0020 28.30 4.59 p19 2127+11H 0.007 2.4E-5 28.65 4.59 p20 2127+11B 0.056 0.00956 29.46 4.59 p21 2127+11E 0.005 1.78E-4 28.65 4.59 p22 2127+11F 0.004 3.2E-5 28.30 4.59 p23 2127+11C 0.031 6.00499 29.30 4.59 p24 J2322+2057 0.005 7E-6 27.41 0.47 Table 6: The division of pulsars into groups on the basis of cluster analysis ------------------------------------------------------------------------------- Cluster P(s) Pdot logL |z| n Pulsar number (tables 1 or 5) ------------------------------------------------------------------------------- I 1.545 11.305 27.92 0.54 65 1,3,4,6,7,9,12,13,23,28,30,31, 37,39,40,43,45,51,53,55-57,60,61, 63,68,81-83,94-96,100,106,116,130, 144,146,150,151,158,159,162,163, 165,169,173,174,176-178,187, 196-198,201,202,205-207,211, 214-217 II 0.071 46.566 29.32 0.03 p2,p7,p13 III 0.015 0.00138 29.07 0.28 p1,p3-p6,p8-p12,p14-p24
(End) Veta Avedisova [INASAN] 12-Dec-1998
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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