VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+A/708/A340
  High synchrotron peak blazars X-ray spectral fits (Sibani+, 2026)
ReadMe+ftp
2026A&A...708A.340S
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/708/A340/catalogCatalog of 95 X-ray spectral fits of 78 high synchrotron peak blazars (95 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  5BZCAT (char) 5BZCAT source ID, from Massaro et al. (2015Ap&SS.357...75M, Cat. VII/274) (ID_5BZCAT) (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Right Ascension (J2000), 5BZCAT source (RA_5BZCAT) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000), 5BZCAT source (DEC_5BZCAT) (pos.eq.dec;meta.main)
  z  (n) Source redshift (Redshift) (src.redshift)
  SpecID  Spectrum ID for sources where multiple X-ray spectra where analysed; if a single observation was available, the flag is 0 (Spec_ID) (meta.id)
  Inst (char) X-ray telescope used to obtain the spectrum (Instrument) (instr.setup)
  refsrcID (char) Source ID from the given X-ray source catalog, when available (ReferencesrcID) (meta.ref;pos.frame)
  ObsID (char) Observation ID for sources with multiple observations from the same instrument (ObsID) (meta.id;obs)
  lognuPeak [Hz] Logarithm of the blazar SED synchrotron peak computed using the Blazar Synchrotron Tool, BlaST. From Marchesi et al. (2025A&A...693A.142M, Cat. J/A+A/693/A142) (nu_peak) (em.freq)
  Gamma  (n) Best-fit photon index from a power law fit of the X-ray spectrum (Gamma) (meta.code;spect.index;meta.modelled)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_Gamma   [] 90% confidence level lower error on the photon index (Gammaerrlo) (stat.error)
  E_Gamma  90% confidence level upper error on the photon index (Gammaerrup) (stat.error;stat.max)
  cstat-pl  (n) Best-fit Cstat value from the power law fit (cstat_pl) (stat.fit.param)
  dof-pl  (n) Degrees of freedom from the power law fit (dof_pl) (stat.fit.dof)
  alpha  (n) Best-fit alpha parameter from a logparabola fit of the X-ray spectrum (alpha) (stat.fit.param)
  e_alpha   [] 90% confidence level lower error on the alpha parameter (alphaerrlo) (stat.error;pos.eq.ra)
  E_alpha  90% confidence level upper error on the alpha parameter (alphaerrup) (stat.error;stat.max)
  beta  (n) Best-fit beta parameter from a logparabola fit of the X-ray spectrum (beta) (stat.fit.param)
  e_beta   [] 90% confidence level lower error on the beta parameter (betaerrlo) (stat.error)
  E_beta  90% confidence level lower error on the beta parameter (betaerrup) (stat.error;stat.max)
  cstat-lp  (n) Best-fit Cstat value from the logparabola fit (cstat_lp) (stat.fit.param)
  dof-lp  (n) Degrees of freedom from the logparabola fit (dof_lp) (stat.fit.dof)
  Flux03-8keV [10-15W/m2](n) Best-fit value of the observed 0.3-8keV flux from the logparabola fit (flux038_keV) (phot.flux;em.X-ray)
  b_Flux03-8keV [10-15W/m2]90% confidence level lower boundary of the observed 0.3-8keV flux from the logparabola fit (flux038keVlow_bound) (phot.flux;em.X-ray.medium;phys.atmol.level)
  B_Flux03-8keV [10-15W/m2]90% confidence level upper boundary of the observed 0.3-8keV flux from the logparabola fit (flux038keVup_bound) (phot.flux;em.X-ray.medium;phys.atmol.level)
  logLX2-10keV [10-7W] (n) Best-fit value of the logarithm of the rest-frame, intrinsic 2-10keV luminosity from the logparabola fit (logLx210_keV) (phot.flux;em.X-ray)
  e_logLX2-10keV [10-7W] [] 90% confidence level lower error on the logarithm of the rest-frame, intrinsic 2-10keV luminosity from the logparabola fit (logLx210keVerr_lo) (stat.error)
  E_logLX2-10keV [10-7W] 90% confidence level upper error on the logarithm of the rest-frame, intrinsic 2-10 keV luminosity from the logparabola fit (logLx210keVerr_up) (stat.error;stat.max)
  DeltaCstat  (n) Difference in Cstat between the power law and the logparabola best fits (DeltaCstat) (stat.fit.param)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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