VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
CDS

VizieR

  
II/287
  Northern Sky Variability Survey (NSVS) (Wozniak+, 2004)
ReadMe+ftp
2004AJ....127.2436W
Similar Catalogs
Individual files here skydotID and skydotNOID
Post annotation 		img(gal)
1.II/287/framesFrames (184006 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  ID   [1/644] Frame ID (meta.id;meta.main)
  Field (char) Field ID ou Image file name (obs.field)
  Cam (char) [1abcd ] Camera ID (ABCD) (meta.id;instr)
  JD d (i) Julian date (JD-2400000) (time.epoch)
  Time s Time of observation in UT seconds (time.epoch)
  Date s (n)UT date of observation (time.epoch;obs)
  ExpTime s Exposure time (time.duration;obs.exposure)
  bkg ct Sky background (instr.background)
  e_bkg ct Standard deviation of sky background (stat.error)
  e_pos pix Standard deviation around the fit to positions of Tycho stars (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  zpoffset mag Median magnitude offset with respect to Tycho stars (phot.mag;arith.zp)
  e_zpoffset mag Standard deviation of magnitude offsets (stat.error)
  mlim mag Limiting magnitude (phot.mag)
  msat mag Saturation magnitude (phot.mag)
  Nobj  Number of objects detected by SExtractor (meta.number)
  Nobj2  Number of objects actually measured (meta.number)
  Nmatch  Number of Tycho stars used in magnitude matching (meta.number)
  dmoon deg Angular distance between frame center and the Moon (pos.angDistance)
  elev deg Elevation of frame center with respect to horizon (instr.offset)
  azimuth deg Azimuth of frame center (pos.posAng)
  mountRA deg RA J2000.0 position of telescope mount (pos.eq.ra)
  mountDE deg DE J2000.0 position of telescope mount (pos.eq.dec)
  oRA deg ΔRAcosDE offset between frame center and mount position (pos.eq.ra;arith.diff)
  oDE deg ΔDE offset between frame center and mount position (pos.eq.dec;arith.diff)
  maprms mag Standard deviation of the photometric correction map (stat.stdev;phot.mag;arith.diff)
  Npix  Number of valid pixels in photometric correction map (meta.number)
  Flag  Frame flags (meta.code.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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