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J/ApJ/754/44
 The AstraLux Large M-dwarf Survey (Janson+ 2012)
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1.J/ApJ/754/44/targets(c)Basic properties and coordinates for all targets (761 rows)
2.J/ApJ/754/44/binariesObserved and derived properties for binaries (tables 2 and 3 of paper) (219 rows)
3.J/ApJ/754/44/table4Multi-epoch astrometry (441 rows)
4.J/ApJ/754/44/table5Observed properties for background stars (suspected or confirmed) (30 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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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)2MASS (char) 2MASS identifier (JHHMMSSss+DDMMSSs) (meta.id;meta.main)
  (1)Name (char) Other name (meta.id)
  (1)SpT (char) MK spectral type (src.spType)
  (1)Dist pc [3/385] Spectroscopic distance; 37% uncertainty (pos.distance;pos.heliocentric)
  (1)r_Dist (char) Reference for Dist; not spectroscopic (Note 1)   (meta.ref;pos.frame)
  (1)Jmag mag [5.27/12.8] 2MASS J band magnitude (phot.mag;em.IR.J)
  (1)P (char) B indicates binaries, and P indicates other stars stars with observed or derived properties (meta.ref.url)
  (1)Mult (char) [BGMSU+ ] Multiplicity status (Note 2)   (meta.code.multip)
  (1)X (char) [NSY] X-ray emission detected at >3.3σ (Note 3)   (meta.code)
  (1+2)Set (char) Sample membership (IC=inclusive sample; CS=constrained sample) (Note G1)   (meta.id)

ALL cols
    
   
  (1)Inst (char) Instrument used (N=AstraLux Norte; S=AstraLux Sur) (instr.setup)
  (1)RAJ2000 "h:m:s" Hour of Right Ascension (J2000, Epoch 1998) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" Degree of Declination (J2000, Epoch 1998) (pos.eq.dec;meta.main)
  (1)WDS  (n)Cross-match with the WDS within 5" (meta.ref.url)
  (1)R06  (n)Cross-match with target origin catalogs within 3" (meta.ref.url)
  (1)2M (char) Display the 2MASS data (Cutri et al. 2003, Cat. II/246) within 3" (meta.ref.url)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref)
  (2+3+4)m_2MASS (char) [A-D] Which pair (AB/AC/BC/etc.) (meta.code.multip)
  (2+4)z'mag mag (n) Sloan z'-band magnitude value (phot.mag;em.opt.I)
  (2+4)e_z'mag mag (n) z'mag error (stat.error;phot.mag;em.opt.I)
  (2+4)i'mag mag (n) Sloan i'-band magnitude value (phot.mag;em.opt.I)
  (2+4)e_i'mag mag (n) i'mag error (stat.error;phot.mag;em.opt.I)
  (2+4)Sep arcsec [0.076/5.638] Angular separation of the pair (pos.angDistance)

ALL cols
    
(n) indicates a possible blank or NULL column  
  (2+4)e_Sep arcsec Error on the angular separation (stat.error)
  (2+3+4)PA deg Position angle of the pair (pos.posAng)
  (2+3+4)e_PA deg Error on the position angle (stat.error)
  (2+4)Epoch yr [2007.61/2010.11] Epoch of observation (time.epoch)
  (2)New (char) [NY] If first reported in this survey (Y/N) (meta.code)
  (2)Sp1 (char) MK spectral type for primary (src.spType)
  (2)Sp2 (char) MK spectral type for secondary (src.spType)
  (2)M1 Msun [0.12/0.7] Mass for primary (phys.mass)
  (2)M2 Msun (n) [0.083/0.61] Mass for secondary (phys.mass)
  (2)psep AU [1.3/1836] Projected physical separation (pos.angDistance)
  (2)e_psep AU Error on the separation (stat.error)
  (2)Per yr [2/114431] Rough estimate of the period (time.period)
  (3)f_2MASS (char) [d-f] Note on star (Note 1)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column  
  (3)rho arcsec [0.082/5.8] Angular separation (pos.angDistance)
  (3)e_rho arcsec (n) Uncertainty in rho (stat.error)
  (3)Epoch   [1955/2011.67] Observational epoch (time.epoch)
  (3)Aut (char) Author's name of the reference (meta.bib.author)
  (3)BibCode (char) Reference bibcode (meta.bib.bibcode)
  (3)PM mas/yr (n) [6/1182] Total proper motion (pos.pm)
  (3)CPM (char) [NUY] Common proper motion flag (Y/N or (U)nclear) (meta.code)
  (3)OM (char) [NUY] Orbital motion flag (Y/N or (U)nclear) (meta.code)
  (4)Reason (char) Primary reason for bg expectation (meta.note)

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