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J/AJ/159/257
  Hawaii IR parallax program. IV. L0-T8 BDs with UKIRT (Best+, 2020)
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2020AJ....159..257B
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/159/257/table1(c)Observations (356 rows)
2.J/AJ/159/257/table4(c)UKIRT/WFCAM parallaxes and proper motions (348 rows)
3.J/AJ/159/257/table5*Objects with discrepant parallaxes (Note) (19 rows)
4.J/AJ/159/257/table6Updates to young moving group membership status (4 rows)
5.J/AJ/159/257/table7(c)Updates to common proper motion companion status (14 rows)
6.J/AJ/159/257/refsReferences used for table 1 (84 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)
  (1+2+3+4+5)Name (char) (i) Star name (meta.id;meta.main)
  (1+2+3)f_Name (char) Specific star notes (Note 1)   (meta.code)
  (1)SpT-op (char) Optical spectral type (Note 2)   (src.spType)
  (1)SpT-ir (char) Infrared spectral type (Note 2)   (src.spType)
  (1)Jmag mag (n) [12.63/19.06] mean pipeline measured MKO J band magnitude (phot.mag;em.IR.J)
  (1)e_Jmag mag (n) [0.02/0.02] Uncertainty in Jmag (stat.error;phot.mag)
  (1)FWHM arcsec (n) [0.72/1.5] mean Full Width at Half Maximum (instr.bandwidth)
  (1)e_FWHM arcsec (n) [0.05/0.52] Uncertainty (Root Mean Square) in FWHM (stat.error;phys.angSize)
  (1)dAirmass  (n) [0.006/0.301] Maximum difference in airmass across all epochs (obs.airMass)
  (1)Tint (char) s Exposure time for each image (Note 3)   (time.duration;obs.exposure)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Nfr   [18/1066] Total number, frames obtained (meta.number)
  (1)Nep   [1/18] Total number, epoch (nights) observed (meta.number)
  (1)dt yr [0.0/3.7] Time span (Δt) (time;arith.diff)
  (1)Nref  (n) [25/3394] Number of stars used for the astrometric reference frame (meta.number)
  (1)Ncal  (n) [10/3303] Number of subset of Nref used for absolute astrometric calibration (meta.number)
  (1)Nabs  (n) [4/1077] Number of subset of Nref used to correct the final parallaxes from relative to absolute (meta.number)
  (1+3)Domega mas (n) [-1.9/3.6] Offset, relative to absolute parallax computed for each field (pos;arith.diff)
  (1+3)e_Domega mas (n) [0.0/1.2] Uncertainty in Domega (stat.error)
  (1)r_Name (char) Discovery reference for star (See refs.dat file) (meta.ref;pos.frame)
  (1)r_SpT (char) Spectral type reference (See refs.dat file) (meta.ref;pos.frame)
  (1+5)SimbadName (char) (n)Designation understandable by the Simbad data-base (meta.id)
  (1+5)_RA deg (n)(i) Position from Simbad (right ascension part) (pos.eq.ra;meta.main)
  (1+5)_DE deg (n)(i) Position from Simbad (declination part) (pos.eq.dec;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)RAJ2000 deg (i) Right Ascension (J2000) (pos.eq.ra;meta.main)
  (2)DEJ2000 deg (i) [-30/60] Declination (J2000) (pos.eq.dec;meta.main)
  (2)Epoch d [56782/57681] Epoch of first observation, Julian Date -2400000.5 (time.epoch)
  (2)omega-rel mas [15/158] Relative parallax (ωrel) (pos.parallax.trig)
  (2)e_omega-rel mas [1.5/10.6] Uncertainty in omega-rel (stat.error)
  (2)pmRA-rel mas/yr [-1217/1232] Relative proper motion in RA, (µα,relcosδ) (pos.pm;pos.eq.ra)
  (2)e_pmRA-rel mas/yr [1/15.1] Uncertainty in pmRA-rel (stat.error;pos.pm)
  (2)pmDE-rel mas/yr [-1843/1466] Relative proper motion in DE (µδ,rel) (pos.pm;pos.eq.dec)
  (2)e_pmDE-rel mas/yr [1.1/11.1] Uncertainty in pmDE-rel (stat.error;pos.pm)
  (2+3)omega-abs mas [15.7/159.2] Absolute parallax (ωabs) (Note 2)   (pos.parallax.trig)
  (2+3)e_omega-abs mas [1.5/10.6] Uncertainty in omega-abs (Note 2)   (stat.error)
  (2)pmRA-abs mas/yr [-1225/1238] Absolute proper motion in RA, (µα,abscosδ (Note 2)   (pos.pm;pos.eq.ra)
  (2)e_pmRA-abs mas/yr [1/15.1] Uncertainty in pmRA-abs (Note 2)   (stat.error;pos.pm)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)pmDE-abs mas/yr [-1848/1461] Absolute proper motion in DE (µδ,abs) (Note 2)   (pos.pm;pos.eq.dec)
  (2)e_pmDE-abs mas/yr [1.1/11.1] Uncertainty in pmDE-abs (Note 2)   (stat.error;pos.pm)
  (2)chi2   [3.2/58.9] smallest χ^2 among the IRLS+MCMC chains (stat.fit.chi2)
  (2)dof   [7/31] Degrees of freedom for dataset (stat.fit.dof)
  (3)omega-lit mas [36.61/116.0] Relative parallax (pos.parallax.trig)
  (3)e_omega-lit mas [1.6/29.0] Uncertainty in omega-lit (stat.error)
  (3)r_omega-lit   [1/6] Literature source, omega-lit (Note 2)   (meta.ref;pos.frame)
  (3)sigma   [-3.2/2.3] Parallax difference / total uncertainty (Δω/σΔω) (stat.error;pos.parallax;arith.diff)
  (4)SpT (char) Spectral Type (src.spType)
  (4)Dist-phot pc [13.1/31.2] Photometric Distance (pos.distance)
  (4)e_Dist-phot pc [1.3/3.1] Uncertainty in Dist-phot (stat.error)
  (4)Assoc-lit (char) Literature Association (Note 1)   (meta.code.class)
  (4)Mem-lit % [86.4/97.1] Literature membership probability (Note 2)   (meta.code.member)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)r_Assoc-lit (char) Reference for literature association (Note 3)   (meta.ref;pos.frame)
  (4)Dist-par pc [19.2/43.3] Parallax based Distance (pos.distance)
  (4)e_Dist-par pc [1.4/7.1] Uncertainty in Dist-par (stat.error)
  (4)Assoc-new (char) Updated Association (Note 1)   (meta.code.class)
  (4)Mem-new % [97/100] Updated membership probability (Note 4)   (meta.code.member)
  (4)f_Assoc-new (char) Flag on Association (Note 5)   (meta.code)
  (5)SpT-pri (char) Primary spectral type (src.spType)
  (5)omega-pri mas [22.25/70.02] Primary parallax (pos.parallax.trig)
  (5)e_omega-pri mas [0.04/3.2] Uncertainty in omega-pri (stat.error)
  (5)f_omega-pri (char) Flag on omega-pri (Note 1)   (meta.code)
  (5)pmRA-pri mas/yr [-995.2/381.54] Primary proper motion in RA, (µα,pricosδ) (pos.pm;pos.eq.ra)
  (5)e_pmRA-pri mas/yr [0.05/7] Uncertainty in pmRA-pri (stat.error;pos.pm)
  (5)f_pmRA-pri (char) Flag on pmRA-pri (Note 1)   (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (5)pmDE-pri mas/yr [-512.98/244.28] Primary proper motion in DE (µδ) (pos.pm;pos.eq.dec)
  (5)e_pmDE-pri mas/yr [0.04/6.1] Uncertainty in pmDE-pri (stat.error;pos.pm)
  (5)f_pmDE-pri (char) Flag on pmDE-pri (Note 1)   (meta.code)
  (5)Comp (char) Companion name (meta.id.assoc)
  (5)SpT-comp (char) Companion spectral type (src.spType)
  (5)f_SpT-comp (char) Flag on SpT-comp (Note 1)   (meta.code)
  (5)omega-comp mas [26.6/70.1] Companion parallax (pos.parallax.trig)
  (5)e_omega-comp mas [2.5/4.3] Uncertainty in omega-comp (stat.error)
  (5)f_omega-comp (char) Flag on omega-comp (Note 1)   (meta.code)
  (5)pmRA-comp mas/yr [-1011.7/372.6] Companion proper motion in RA, (µα,seccosδ) (pos.pm;pos.eq.ra)
  (5)e_pmRA-comp mas/yr [1.7/5.0] Uncertainty in pmRA-comp (stat.error;pos.pm)
  (5)f_pmRA-comp (char) Flag on pmRA-comp (Note 1)   (meta.code)
  (5)pmDE-comp mas/yr [-513.8/250.1] Companion proper motion in DE (µδ) (pos.pm;pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (5)e_pmDE-comp mas/yr [1.9/4.6] Uncertainty in pmDE-comp (stat.error;pos.pm)
  (5)f_pmDE-comp (char) Flag on pmDE-comp (Note 1)   (meta.code)
  (5)Sep arcsec [6.4/265.0] Separation (pos.angDistance)
  (5)Refs (char) References (Note 2)   (meta.ref;pos.frame)
  (6)Ref   [1-84] Reference number (meta.id;meta.main)
  (6)Autors (char) First autor(s) of the reference (obs.observer)
  (6)BIB (char) Bibcode of the reference (meta.bib.bibcode)
  (6)Cat (char) Catalog associated (meta.id.assoc;meta.table)

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