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VizieR

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J/ApJ/689/108/table2 MASIV survey. II. First four epochs (Lovell+, 2008)
MASIV source variability characteristics (475 rows)
  recno=27
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ColumnValue  Explain   (UCD)
_RAJ200001 21 56.8600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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+04 22 24.700 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195001 19 21.3879 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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+04 06 44.068 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon137.2505869 deg Galactic longitude (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-57.6475524 deg Galactic latitude (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)
27recno 27  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

MASIVJ0121+0422  Source identification (JHHMM+DDMM) (meta.id;meta.main)
Ha 0.6 10+10ph/m2/sWHAM Hα flux in Rayleighs (phot.flux;em.line.Halpha)
<S1> 0.888 Jy Mean epoch 1 (2002.05) 5GHz flux density (Note G1)   (phot.flux.density;em.radio.3-6GHz)
<S2> 0.891 Jy Mean epoch 2 (2002.35) 5GHz flux density (Note G1)   (phot.flux.density;em.radio.3-6GHz)
<S3> 0.955 Jy Mean epoch 3 (2002.70) 5GHz flux density (Note G1)   (phot.flux.density;em.radio.3-6GHz)
<S4> 0.975 Jy Mean epoch 4 (2003.02) 5GHz flux density (Note G1)   (phot.flux.density;em.radio.3-6GHz)
mod1 1.6 % Raw epoch 1 (2002.05) modulation index (Note G1)   (src.var.index)
mod2 2.0 % Raw epoch 2 (2002.35) modulation index (Note G1)   (src.var.index)
mod3 1.2 % Raw epoch 3 (2002.70) modulation index (Note G1)   (src.var.index)
mod4 0.7 % Raw epoch 4 (2003.02) modulation index (Note G1)   (src.var.index)
e_mod 0.52 % The 1σ error in raw modulation index (stat.error)
C1y   [ync] variable (y) for epoch 1 (Note 1)   (meta.code;src.var)
C2y   [ync] variable (y) for epoch 2 (Note 1)   (meta.code;src.var)
C3n   [ync] variable (y) for epoch 3 (Note 1)   (meta.code;src.var)
C4n   [ync] variable (y) for epoch 4 (Note 1)   (meta.code;src.var)
D(2d) 5.1e-04  Standard characterization of intra-day variation from fit to epoch average structure function (src.var.index)
e_D(2d) 3e-05   Error in D(2d) (Note 2)   (stat.error)
tau2  Timescale classification (Note 3)   (meta.code.class)

NEDNED  ask the NED data-base about this object

RAJ200001 21 56.86 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+04 22 24.7 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  
elapse time 0

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