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VizieR

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III/159A/catalog Ca II H and K Measurements Made at MWO (Duncan+ 1991)
Observational Data (3111 rows)
  recno=2609
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ColumnValue  Explain   (UCD)
_RAJ200022 57 27.840 "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 46 07.32 "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)
_RAB195022 55 00.970 "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 03.89 "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)
_Glon090.061980 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-34.727090 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)
2609recno 2609  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

StarHD 217014  Star Name or Number (default = HD or DM)
Nobs 3  Number of Observations of S
Smin 0.1456  Minimum S value
Smax 0.1484  Maximum S value
Smean 0.1474  Mean S value (Note 1)   
e_Smean 0.0016  Standard deviation on Smean
sdS 1.06 % Standard deviation as a percentage
Wmin 2492.4  Minimum weight (Note 2)   
Wmean 2538.3  Mean weight (Note 2)   
Date11983-05-24 "Y:M:D" First Date the star was observed
Date21983-05-24 "Y:M:D" Last Date the star was observed

SNameHD 217014  Name recognized by Simbad
RAJ2000344.3660 deg Right Ascension (J2000)
DEJ2000+20.7687 deg Declination (J2000)
rPosA   [AUM] Origin of position: A=ASCC-2.5 (I/280) U=UCAC2 (I/289), M=2MASS (II/246)
Bmag 6.120 mag B mag in Johnson system (from ASCC-2.5)
Vmag 5.447 mag V mag in Johnson system (from ASCC-2.5)
ASCC 826013   [1,2603318] ASCC-2.5 number (Cat. I/280)
HIP113357   Hipparcos number (Cat. I/239)
  
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