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VizieR

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J/A+A/635/A75/obssum LOFAR census of non-recycled pulsars sample (Bilous+, 2020)
Observation summary, flux densities, dispersion measures (87 rows)
  recno=78
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200021 57 01.8400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+40 17 45.890 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195021 54 57.1060 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+40 03 27.138 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon090.4879306 deg Galactic longitude at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-11.3414120 deg Galactic latitude at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
78recno 78  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
Fit   indicates fitted parameters in table[123]pl (meta.ref.url)

NameB2154+40  (i) Name of pulsar as in ATNF catalogue v.1.51 (meta.id;meta.main)
Period 1.525 s Spin period as in ATNF catalogue v.1.51 (meta.id)
ObsEpoch56827.14 d Observing epoch (MJD) (time.epoch)
ObsLength26 min Length of observing session (time.expo)
MinFreq42.09 MHz Lower edge of analysed frequency range (em.freq)
MaxFreq77.28 MHz Upper edge of analysed frequency range (em.freq)
BestBeam    Beam with the most clear pulsar signal (meta.id)
MinZap 0.25  Fraction of zapped data for the least affected beam (Note 1)   (stat.fit.param)
MaxZap 0.50  Fraction of zapped data for the most affected beam (stat.fit.param)
PeakSN    Peak S/N ratio of the average profile (stat.snr)
DM  pc/cm+3 Dispersion measure at the epoch of observation (phys.dispMeasure;instr.dispersion)
e_DM  pc/cm+3 Dispersion measure uncertainty at the epoch of observation (stat.error)
TscatFrac 3e-01  Expected scattering time at 60 MHz divided by pulsar period (Note 1)   (phot.flux.density;em.radio.20-100MHz)
ModInd 0.04  Expected flux modulation index due to scintillation in the interstellar medium (Note 2)   (src.var.index)
l_S<   [≤] Upper limit flag for flux density measurement (meta.code.error)
S 45.2  Mean flux density in MinFreq-MaxFreq frequency range or upper limit for non-detected pulsars (phot.flux.density;em.radio)
e_S    Uncertainty in mean flux density (stat.error)
r_S3,21,22,25,28,29,38,43,46,49,50,56,5   Literature flux references, in refs.dat file (meta.ref;pos.frame)

SimbadPSR B2154+40  ask the Simbad data-base about this object (meta.ref.url)
_RA329.25767 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+40.29608 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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