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J/AJ/151/142
  Five years of blazar observations with VERITAS (Archambault+, 2016)
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1.J/AJ/151/142/table1(c)List of Sources Observed by VERITAS (184 rows)
2.J/AJ/151/142/table2(c)List of Known VHE Sources Observed but Not Detected by VERITAS in 2007-2012 (43 rows)
3.J/AJ/151/142/table3(c)List of 2FGL Sources in the VERITAS Field of View of Sources Listed in Tables 1 and 2 (21 rows)
4.J/AJ/151/142/table4(c)Analysis Results and Flux Upper Limits for the Non-detected AGNs Observed by VERITAS (82 rows)
5.J/AJ/151/142/table5(c)Results and Upper Limits for the Known VHE Sources (11 rows)
6.J/AJ/151/142/table6(c)Results and Upper Limits for the 2FGL Sources in the VERITAS Field of View (21 rows)
7.J/AJ/151/142/table7Blazars Observed at the Lick Observatory using the Shane 3 m Kast Spectrograph (28 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Name (char) Simbad source name (meta.id;meta.main)
  (1+2+3)RAJ2000 "h:m:s" (i) Simbad Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1+2+3)DEJ2000 "d:m:s" (i) Simbad Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1+2+3+7)l_z (char) [>] Limit flag on z (meta.code.error;src.redshift)
  (1+2+3+7)z  (n) [0.028/1.28] Redshift (src.redshift)
  (1+2)u_z (char) [:] Uncertainty flag on z (meta.code.error;src.redshift)
  (1+3)n_z (char) [u] Note on z (u=Unconstrained redshift) (only in table 1) (meta.note)
  (1+2+3)r_z  (n) [1/53] Reference for z (Note G1)   (meta.ref;pos.frame)
  (1+2+3)Type (char) Blazar classification (Note G2)   (src.class)
  (1+3)n_Type (char) [?] Note on Type (?=Blazar of unknown type) (only in table 1) (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)r_Type (char) Reference for Type (only in table 1) (Note G3)   (meta.note)
  (1+2)Exp h (n) [0.3/36] VERITAS dead-time corrected exposure (Note 1)   (time.duration;obs.exposure)
  (1+2)theta deg (n) [3/49] Average zenith angle of VERITAS observation θzenith (pos.posAng;obs)
  (1+2)MJD (char) Modified Julian Date(s) of VERITAS observation and on which basis the source was selected as a very-high-energy (VHE) candidate (JD-2450000) (time.epoch)
  (1+2)Ref (char) Source selection reference(s) (Note 2)   (meta.ref;pos.frame)
  (2)Detec (char) VHE detection reference(s) (only in table 2) (Note 3)   (meta.bib)
  (3)CName (char) Counterpart name (meta.id)
  (3)r_Type  (n) [29/48] Reference for Type (Note G3)   (meta.note)
  (3)FOV (char) Source name (from table 1 and 2) in the field of view of this 2FGL source (meta.id)
  (3)2FGL (char) Display data from the 2nd Fermi-LAT catalog (Nolan+, 2012, J/ApJS/199/31) (meta.ref.url)
  (4+5+6)sigma   [-1.98/3.49] Source significance (in σ units) (stat.fit.goodness)
  (4+5+6)CntON   [32/7515] Number of ON (source) counts (phot.count;em.gamma.hard)
  (4+5+6)CntOFF   [190/64132] Number of OFF (background) counts (phot.count;em.gamma.hard)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4+5+6)alpha   [0.037/0.267] Ratio of the ON over OFF region size α (phys.size;arith.ratio)
  (4+5+6)Eth TeV [0.138/0.501] Threshold energy of the analysis Eth (instr.sensitivity)
  (4+5+6)Edec TeV [0.226/0.829] Decorrelation energy Edec (Note 1)   (stat.correlation)
  (4+5+6)UL-Edec 10-12/cm2/s/TeV [1.6/102] Differential flux upper limit at Edec (phot.flux.density;em.gamma.hard)
  (4+5+6)UL-Eth Crab [0.9/17.4] Integral flux upper limit (above Eth) (Note 2)   (phot.flux.density;em.gamma.hard)
  (4+5+6)UL/Phi1  (n) Ratio between the VERITAS differential upper limit and the extrapolation of the Fermi-LAT detection (ΦHE, evaluated at Edec) (stat.fit.param)
  (4+5+6)UL/Phi2  (n) Ratio between the VERITAS differential upper limit and the extrapolation of the Fermi-LAT detection (ΦHE, evaluated at Edec) (stat.fit.param)
  (4+5+6)z1  (n) [0.086/1.05] Redshift associated to UL/Phi1 (src.redshift)
  (4+5+6)z2  (n) [0.5] Redshift associated to UL/Phi2 (src.redshift)
  (4)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (4+5+6)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (4+5+6)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (5+6)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (7)more (char) indicates blazar data in tables 1,4 or 2,5 (meta.ref.url)
  (7)Date "Y:M:D" (n)UT Observation date (time.epoch;obs)
  (7)MJD d [5421/6958] Modified Julian Date of observation (JD-2450000) (time.epoch)
  (7)ExpTime s [900/5400] Exposure time (time.duration;obs.exposure)
  (7)S/Nblue  (n) [0.4/111] Average signal-to-noise per pixel for the blue side CCD, between 3500 and 5400Å (stat.snr)
  (7)n_S/Nblue (char) [n/a ] Note on S/Nblue (n/a=not analyzed) (meta.note)
  (7)S/Nred   [4.3/229] Average signal-to-noise per pixel for the red side CCD, between 5700 and 6800Å (stat.snr)
  (7)Star (char) Standard star name (meta.id)
  (7)Fig  (n) [2.1/2.6] Figure number corresponding in the paper, if applicable (Note 2)   (meta.id)

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