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=3256616
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ColumnValue  Explain   (UCD)
_RAJ200021 30 10.75800 "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)
_DEJ2000-08 56 44.4340 "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)
_RAB195021 27 30.44926 "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)
_DEB1950-09 09 56.3762 "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)
_Glon044.03911446 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-39.22091756 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)
3256616recno 3256616  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000322.544825 deg (i) Median J2000.0 right ascension over all the images used to derive the photometry (pos.eq.ra;meta.main)
DEJ2000-08.945676 deg (i) Median J2000.0 declination over all the images used to derive the photometry (pos.eq.dec;meta.main)
Nobs 21   [3/30] Number of images that were used to derive the photometry (meta.number)
Nn 12   [3/30] Number of individual nights in which the images were taken (meta.number)
RMS 0.022 mag [0.018/0.037] Best bright-star RMS value (APBSRMS parameter) over all nights used (stat.stdev)
Rptf 17.708 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 0.025 mag Error ΔRPTF on Rptf (Note 1)   (stat.error)
err- 0.011 mag Lower-bound error Δ-RPTF on Rptf (Note 2)   (stat.error)
err+ 0.038 mag Upper-bound error Δ+RPTF on Rptf (Note 2)   (stat.error)
mu -1.095 mag [-5.5/0.66] µtype is a star/galaxy class indicator (negative for extended sources) (Note 3)   (src.class.starGalaxy)
e_mu 0.118 mag Standard deviation of mu as measured over all images used in the processing (stat.error)
Field 2371   [1392/120001] The PTF unique field identifier (meta.id;obs.field)
CCD 6   [0/11] The PTF CCD identifier (meta.id;instr.det)
  
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