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 |
Column | Value | Explain (UCD) | |
_RAJ2000 | 05 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) |
_RAB1950 | 05 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) |
_Glon | 205.343000000 | 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) | |
OName | Orion | 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) |
String | y | [y] Is the group a string? (meta.code) | |
Width | 29.49800 | pc | [1.07648/142.145] Projected width (phys.size.diameter) |
Height | 13.498500 | pc | [0.800295/42.0466] Projected height (phys.size) |
Length | 176.49600 | pc | [36.9384/842.096] String length (src.morph.scLength) |
GLON | 205.3430000 | 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.icrs | 083.2304288 | 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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