VizieR

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II/313/table3 Palomar Transient Factory (PTF) photometric catalog 1.0 (Ofek+, 2012)
PTF photometric catalog 1.0 (limited to not strongly variable sources with reliable photometry; i.e. Flag=1) (21167679 rows)
  recno=18907884
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ColumnValue  Explain   (UCD)
_RAJ200012 12 59.33593 "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+60 21 36.2050 "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)
_RAB195012 10 31.63005 "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+60 38 16.6134 "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)
_Glon131.45254999 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+56.12759327 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)
18907884recno18907884  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000183.247233 deg (i) Median J2000.0 right ascension over all the images used to derive the photometry (pos.eq.ra;meta.main)
DEJ2000+60.360057 deg (i) Median J2000.0 declination over all the images used to derive the photometry (pos.eq.dec;meta.main)
Nobs 12   [3/30] Number of images that were used to derive the photometry (meta.number)
Nn 6   [3/30] Number of individual nights in which the images were taken (meta.number)
RMS 0.021 mag [0.018/0.037] Best bright-star RMS value (APBSRMS parameter) over all nights used (stat.stdev)
Rptf 15.956 mag Median R-band magnitude RPTF in the PTF system (not color corrected to SDSS) over all epochs (phot.mag;em.opt.R)
e_Rptf 0.026 mag Error ΔRPTF on Rptf (Note 1)   (stat.error)
err- 0.028 mag Lower-bound error Δ-RPTF on Rptf (Note 2)   (stat.error)
err+ 0.025 mag Upper-bound error Δ+RPTF on Rptf (Note 2)   (stat.error)
mu -1.123 mag [-5.5/0.66] µtype is a star/galaxy class indicator (negative for extended sources) (Note 3)   (src.class.starGalaxy)
e_mu 0.154 mag Standard deviation of mu as measured over all images used in the processing (stat.error)
Field 5017   [1392/120001] The PTF unique field identifier (meta.id;obs.field)
CCD 2   [0/11] The PTF CCD identifier (meta.id;instr.det)
  
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