J/A+AS/147/195ivo://CDS.VizieR/J/A+AS/147/195CDSMaron O.Kijak J.Kramer M.Wielebinski R.2000-12-16T20:02:32Z2000-12-16T21:01:42ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frpulsarsradio-sourcesWe have collected pulsar flux density observations and compiled spectra of 281 objects. The database of Lorimer et al. (1995, Cat. <J/MNRAS/273/411>) has been extended to frequencies higher than 1.4GHz and lower than 300MHz. Our results show that above 100 MHz the spectra of the majority of pulsars can be described by a simple power law with average value of spectral index <{alpha}>=-1.8+/-0.2. A rigorous analysis of spectral fitting revealed only about 10% of spectra which can be modelled by the two power law. Thus, it seems that single power law is a rule and the two power law spectrum is a rather rare exception, of an unknown origin, to this rule. We have recognized a small number of pulsars with almost flat spectrum ({alpha}>=-1.0) in the wide frequency range (from 300MHz to 20GHz) as well as few pulsars with a turn-over at unusually high frequency (~1GHz).2000A&AS..147..195Mhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+AS/147/195CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVII/156 : Catalog of 558 Pulsars (Taylor+ 1993)J/MNRAS/273/411 : Multifrequency fluxes of 280 pulsars (Lorimer+ 1995)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+AS/147/195https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+AS/147/195http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+AS/147/195https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+AS/147/195https://vizier.iucaa.in/viz-bin/votable?-source=J/A+AS/147/195http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+AS/147/195GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+AS/147/195/table2 (Spectral indices for 266 pulsars with simple power-law spectrum S~nu^alpha^)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+AS/147/195/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/A+AS/147/195/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+AS/147/195/table2?GETtext/xml+votable180.050000true3.573916747.77586110.0055555555555555565/7564 6/1470 1676 1760 1788 1949 2439 2573 2787 2858 2874 2943 3018 3155 3162 3367 3552 3598 3614 3621 3731 3736 3784 4163 4227 4352 4403 5955 6262 7391 7821 8068 8121 8277 9040 9240 9719 11371 12259 12500 12526 12939 13053 13065 13152 13287 13405 13464 13719 13759 13921 14078 14122 14273 14301 14306 14321 14330 14337 14342 14344 14346 14362 14366 14429 14431 14454 14549 14621 14656 14739 14842 14924 15009 15304 15365 15377 15496 15512 15562 15646 15679 15751 15820 16996 17247 17532 20166 20574 21171 21455 21504 21957 22058 22594 23727 23830 23994 24040 24185-24186 24460 24541 25251 25732 25763 26656 27554 28226 28749 28751 28795 28807-28808 28812-28813 28816 28822 28825-28826 28843 28869-28870 28890 28900-28901 28913 28921 28945 29034 29059 29082 29090 29106 29108 29112 29145 29162 29256 29312 29334 29340 29369 29383 29387 29390 29422 29461 29483 29487 29504-29505 29511 29516 29522-29524 29530 29532 29534 29550 29617 29625 29636 29653 29675 29680 29727 29789 29883 29929 30116 30215 30218 30223 30240 30245-30246 30252 30269 30273 30286 30298 30300 30315 30319 30328 30330 30332-30333 30355 30362 30394 30417 30424 30501 30594-30595 30600-30601 30603 30617 30619 30641 30644 30657 30690-30691 30694 30696 30700 30702 30708 30713 30849 30871 30941 31031 31078 31244 31311 31623 31809 31829 31933 32007 32024 32048 32069 32086 32093 32116 36540 38891 39789 39992 40366 40432 40667 40680 42367 42479 42481 42487 42905 42914 42937 44316 47010 47975 47998 48080 48813 48928https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+AS/147/195?format=asciiRadiodefaultJ/A+AS/147/195/table2Spectral indices for 266 pulsars with simple power-law spectrum S~nu^alpha^recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Right Ascension J2000 (hours) (3)pos.eq.ra;meta.mainDEJ2000Declination J2000 (degrees) (3)pos.eq.dec;meta.mainPSRPulsar designationmeta.id;meta.maincharPSR_dataDisplay the data from Taylor's Catalogmeta.refcharFreq1Frequency range lower limitGHzem.freqfloatFreq2Frequency range upper limitGHzem.freqfloatSp+IndexSpectral index for the frequency range (1)spect.indexfloate_Sp+Index? rms uncertainty on SIstat.errorfloatnullableQ? Probability of the goodness-of-fit (2)stat.fit.goodnessdoublenullable