VizieR

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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=11220255
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ColumnValue  Explain   (UCD)
_RAJ200012 04 01.45947 "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+20 13 56.3880 "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 01 27.99393 "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+20 30 38.2065 "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)
_Glon242.85778506 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+77.15088574 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)
11220255recno11220255  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000181.006081 deg (i) Median J2000.0 right ascension over all the images used to derive the photometry (pos.eq.ra;meta.main)
DEJ2000+20.232330 deg (i) Median J2000.0 declination over all the images used to derive the photometry (pos.eq.dec;meta.main)
Nobs 16   [3/30] Number of images that were used to derive the photometry (meta.number)
Nn 10   [3/30] Number of individual nights in which the images were taken (meta.number)
RMS 0.024 mag [0.018/0.037] Best bright-star RMS value (APBSRMS parameter) over all nights used (stat.stdev)
Rptf 12.822 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 0.016 mag Error ΔRPTF on Rptf (Note 1)   (stat.error)
err- 0.009 mag Lower-bound error Δ-RPTF on Rptf (Note 2)   (stat.error)
err+ 0.023 mag Upper-bound error Δ+RPTF on Rptf (Note 2)   (stat.error)
mu -2.516 mag [-5.5/0.66] µtype is a star/galaxy class indicator (negative for extended sources) (Note 3)   (src.class.starGalaxy)
e_mu 0.158 mag Standard deviation of mu as measured over all images used in the processing (stat.error)
Field 3577   [1392/120001] The PTF unique field identifier (meta.id;obs.field)
CCD 1   [0/11] The PTF CCD identifier (meta.id;instr.det)
  
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