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J/AJ/149/184
  Long-term photometry for 4 O-rich PPne (Hrivnak+, 2015)
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2015AJ....149..184H
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Post annotation 		img(gal)
1.J/AJ/149/184/table8(c)Results of the period and light curve study of four oxygen-rich Proto-Planetary Nebulae (PPNs) (4 rows)
2.J/AJ/149/184/table4Differential standard VRc magnitudes and colors for the four Proto-Planetary Nebulae (PPNs) from 1994 to 2007 (955 rows)
3.J/AJ/149/184/table5Differential standard BVRc magnitudes for the four proto-planetary nebulae (PPNs) from 2007-2012 (811 rows)

Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)IRAS (char) (i) IRAS name of the program star (meta.id;meta.main)
  (1)Per1 d [41/114] Main Period (time.period;meta.main)
  (1)P2/P1   [0.8/1.1] The period 2 to period 1 ratio (time.period)
  (1)r_Pprev (char) Reference for Pprev (Note 1)   (meta.ref;pos.frame)
  (1)Pprev (char) d Previously published period(s) (meta.ref;time.period)
  (1)SpT (char) Spectral type (src.spType)
  (1)Teff1 K Effective temperature (Note 2)   (phys.temperature.effective)
  (1)Teff2 K (n) Second effective temperature (Note 2)   (phys.temperature.effective)
   (ALL)DVmag mag ΔV-band magnitude (Note 3)   (phot.mag;em.opt.V)
  (1+2)D(V-R) mag Δ(V-Rc) color index (Note 2)   (phot.color;em.opt.V;em.opt.R)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)D(B-V) mag Δ(B-V) color index (Note 2)   (phot.color;em.opt.B;em.opt.V)
  (1)DTeff K ΔTeff with previous values (Note 2)   (phys.temperature;arith.diff)
  (1)N1  (n)Number of V R observations in the period 1994–2007 (meta.number)
  (1)N2  (n)Number of B V R observations in the period 2007-2012 (meta.number)
  (1)LC1 (char) 1994-2007 Light Curve (meta.ref.url)
  (1)LC2 (char) 2007-2012 Light Curve (meta.ref.url)
  (1)Com (char) Comments (meta.note)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)_RA deg (i) Positions from SIMBAD database (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Positions from SIMBAD database (declination part) (pos.eq.dec;meta.main)
  (2)HJD-V d V-band Heliocentric Julian Date (HJD-2400000) (time.epoch;obs;phot.mag)
  (2)HJD-R d (n) Rc-band Heliocentric Julian Date (HJD-2400000) (time.epoch;obs;phot.mag)
  (2+3)DRmag mag (n) Differential Rc-band magnitude (Note 2)   (phot.mag;em.opt.R;arith.diff)
  (2)HJD-V-R d (n) V-Rc Heliocentric Julian Date (HJD-2400000) (time.epoch;pos.frame;phot.color)
  (3)HJD d Heliocentric Julian Date (HJD-2400000) (Note 2)   (time.epoch;obs)
  (3)DBmag mag (n) Differential B band magnitude (Note 3)   (phot.mag;em.opt.B;arith.diff)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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