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J/ApJS/244/29
  Microlensing events toward the Galactic bulge (Mroz+, 2019)
timeSerie
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1.J/ApJS/244/29/table3(c)Best-fitting parameters of the analyzed microlensing events in low-cadence OGLE fields[timeSerie] (5790 rows)
2.J/ApJS/244/29/table5(c)Surface density of stars in OGLE-IV subfields calculated using image-level simulations (3842 rows)
3.J/ApJS/244/29/fields(c)Basic information and microlensing optical depth and event rates in the OGLE-IV fields (averaged over sources brighter than I=21) (Tables 6 and 7) (121 rows)
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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)
  (1)Name (char) Star name (meta.id;meta.main)
   (ALL)Field (char) OGLE-IV field name (obs.field)
  (1+2)sField  OGLE-IV subfield name within Field (obs.field)
  (1)Star   [50/208567] Star ID in the OGLE-IV database (meta.id)
  (1)RAJ2000 "h:m:s" (i) [17/18] Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) [19/38] Degree of Declination (J2000) (pos.eq.dec;meta.main)
   (ALL)GLON deg [-8.6/9.9] Galactic longitude (pos.galactic.lon)
   (ALL)GLAT deg [-14.9/6.3] Galactic latitude (pos.galactic.lat)
  (1)t0-best d Best-fit t0, time of closest approach, Heliocentric Julian Date (time.epoch;pos.heliocentric;meta.modelled)
  (1)tE-best d [1.58/303] Best-fit tE, Einstein timescale (time.scale)

ALL cols
    
 (i)indexed column
  (1)u0-best   [0/1] Best-fit u0, projected separation (src.impactParam)
  (1)Is-best mag [13.9/21] Best-fit I-band source magnitude (phot.mag;em.opt.I)
  (1)fs-best   [0.01/3.8] Best-fit blending parameter (Note 1)   (phys.luminosity;arith.ratio)
  (1)t0-med d Median t0, time of closest approach, Heliocentric Julian Date (time.epoch;stat.median)
  (1)e_t0-med d [-37.2/0] Negative error bar, t0-med (stat.error)
  (1)E_t0-med d [0/43] Positive error bar, t0-med (stat.error;stat.max)
  (1)tE-med d [1.7/8812] Median tE, Einstein timescale (time.scale)
  (1)e_tE-med d [-4821/-0.04] Negative error bar, tE-med (stat.error)
  (1)E_tE-med d [0.06/19953] Positive error bar, tE-med (stat.error;stat.max)
  (1)u0-med   [0/1.3] Median u0, projected separation (src.impactParam)
  (1)e_u0-med   [-0.8/0] Negative error bar, u0-med (stat.error)
  (1)E_u0-med   [0/1.5] Positive error bar, u0-med (stat.error;stat.max)
  (1)Is-med mag [13.9/26.5] Median I-band source magnitude (phot.mag;em.opt.I)

ALL cols
    
 (i)indexed column
  (1)e_Is-med mag [-6.8/-0.005] Negative error bar, Is-med (stat.error)
  (1)E_Is-med mag [0.006/5.2] Positive error bar, Is-med (stat.error;stat.max)
  (1)fs-med   [0/3.5] Median blending parameter (Note 1)   (phys.luminosity;arith.ratio)
  (1)e_fs-med   [-0.6/0] Negative error bar, fs-med (stat.error)
  (1)E_fs-med   [0/0.9] Positive error bar, fs-med (stat.error;stat.max)
  (1)Weight   [2/129.2] Inverse of the detection efficiency (stat.weight)
  (1)EWS (char) OGLE EWS ID(s) (meta.id)
  (1+3)File (char) Download the I-band photometry; ASCII file (meta.ref.url)
  (1)LC (char) Interactive plot (meta.ref.url)
  (2+3)RAJ2000 deg (i) [258.28/286.67] Right ascension (J2000) (pos.eq.ra;meta.main)
  (2+3)DEJ2000 deg (i) [-38.4/-19.2] Declination (J2000) (pos.eq.dec;meta.main)
  (2)sigma18 arcmin-2 [3.7/369.7] Star surface density in the range 14<I<18 (src.density)
  (2)sigma21 arcmin-2 [42.8/4609.2] Star surface density in the range 14<I<21 (src.density)

ALL cols
    
 (i)indexed column
  (2)N18   [603/60940] Number of stars in the range 14<I<18 (meta.number)
  (2)N21   [7183/756286] Number of stars in the range 14<I<21 (meta.number)
  (2)Ns  (n)Number of microlensing event for this subfield (link to Table 3) (meta.number)
  (3)Ns 10+6 [0.5/7.1] Number of monitored stars (meta.number)
  (3)Nep   [36/12099] Number of epochs (meta.number)
  (3)Nf  (n)Number of subfields for this field (link to Table 5) (meta.number)
  (3)tau 10-6 [0/3.7] Optical depth τ300 (phys.absorption.opticalDepth)
  (3)e_tau 10-6 [0/1.3] Uncertainty of tau (stat.error)
  (3)Gam 10-6/yr [0/26.5] Event rate Γ per star per 106 year (time;arith.ratio)
  (3)e_Gam 10-6/yr [0/7.1] Uncertainty of gam (stat.error)
  (3)Gam.d deg-2/yr [0/265.3] Event rate Γdeg2 per unit area (in square degree) per year (time;arith.ratio)
  (3)e_Gam.d deg-2/yr [0/16.3] Uncertainty of gam-deg2 (stat.error)
  (3)tE-mean d [0/79.6] Mean Einstein timescale <tE> (time.scale)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)e_tE-mean d [0/79.6] Uncertainty of tE-mean (stat.error)
  (3)Nev   [0/441] Number of detected events (meta.number)
  (3)N21 10+6 [0.4/19.1] Number of sources brighter than I=21 (meta.number)
  (3)Eff (char) Interactive plot (meta.ref.url)

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