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VizieR

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J/ApJ/787/107/table2 Spatial structure of young stellar clusters. I. (Kuhn+, 2014)
MYStIX subcluster properties (142 rows)
  recno=55
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ColumnValue  Explain   (UCD)
_RAJ200020 39 00.900 "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+42 24 43.00 "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)
_RAB195020 37 14.027 "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+42 14 05.29 "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)
_Glon081.746673 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 +0.590664 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)
55recno 55  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

MSFRDR 21  MYStIX region name (linked to region properties (table1) ) (meta.id;obs.field)
m_MSFRF  Subcluster assignment (Note G1)   (meta.code.multip)
RAJ200020 39 00.9 "h:m:s" (i) Hour of right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000+42 24 43 "d:m:s" (i) Degree of declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
amaj 0.06 pc [0.01/10.2] Semimajor axis of the ellipsoid core region (phys.size)
bmin 0.03 pc [0.01/2.1] Semiminor axis of the ellipsoid core region (phys.size)
ell 0.55   [0/0.9] Ellipticity (src.ellipticity)
PA 50 deg [0/248] Orientation angle of the ellipse; east from north (pos.posAng)
Ns 5   [2/834] Number of stars (Note 2)   (meta.number)
J-H 2.55 mag [0.6/3] J-H color index as measure of absorption (phot.color;em.IR.J;em.IR.H)
Emed 4.0 keV [1/4.4] Median X-ray median energy as a measure of absorption (phys.absorption;em.X-ray;stat.median)

Nm 15  Number of members in this subcluster (meta.number)
PapIIPapII  Display data from Paper II (Kuhn+, 2015, J/ApJ/802/60) for this subcluster (meta.ref.url)
  
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