VizieR

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VizieR

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J/AJ/158/122/table2 Local structure & star formation history of the MW (Kounkel+, 2019)
Identified structures and their average properties (1640 rows)
  recno=13
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ColumnValue  Explain   (UCD)
_RAJ200005 32 55.302920 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 46 55.19212 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 30 23.639635 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 48 58.83042 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon205.343000000 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-18.240600000 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)
13recno 13  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Theia 13   [1/1640] Theia group identifier (meta.id)

N*999  Number of clustered sources in Table 1 (meta.number)

ONameOrion  Other group name (meta.id;meta.main)
logAge 6.89498 [yr] [6.14485/9.95276] Log average group age (time.age;stat.mean)
Av 0.19997900 mag [-0.150042/3.5] Average extinction (phys.absorption;stat.mean)
Stringy   [y] Is the group a string? (meta.code)
Width 29.49800 pc [1.07648/142.145] Projected width (phys.size.diameter)
Height13.498500 pc [0.800295/42.0466] Projected height (phys.size)
Length176.49600 pc [36.9384/842.096] String length (src.morph.scLength)
GLON205.3430000 deg Galactic longitude of string (pos.galactic.lon)
GLAT-18.24060000 deg Galactic latitude of string (pos.galactic.lat)
plx 2.639 mas [1.03705/20.4046] Mean Gaia DR2 parallax (pos.parallax.trig)
pmGLON -4.8218600 km/s [-72.7092/55.5468] Mean proper motion in the direction of Galactic longitude (pos.pm)
pmGLAT 2.757910000 km/s [-30.415/31.9572] Mean proper motion in the direction of Galactic latitude (pos.pm)
RV 6.56547000 km/s [-69.3919/95.9234] Mean radial velocity (phys.veloc;pos.heliocentric)
X-342.773000 pc [-890.577/885.982] X position in the heliocentric XYZ reference frame (pos.distance;pos.frame;pos.heliocentric)
Y-142.5130000 pc [-909.901/927.268] Y position in the heliocentric XYZ reference frame (pos.distance;pos.frame;pos.heliocentric)
Z-109.9820000 pc [-357.929/294.344] Z position in the heliocentric XYZ reference frame (pos.distance;pos.frame;pos.heliocentric)
U -4.2057300 km/s [-69.8636/99.0717] U velocity vector, positive toward the Galactic anticenter (phys.veloc;pos.cartesian.x)
V 3.1731700 km/s [-61.8764/52.871] V velocity vector, positive in the direction of Galactic rotation (phys.veloc;pos.cartesian.y)
W 2.34927000 km/s [-30.6367/24.8161] W velocity vector, positive toward the North Galactic Pole (phys.veloc;pos.cartesian.z)

_RA.icrs083.2304288 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-01.78199781 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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