VizieR

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VizieR

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J/MNRAS/422/25/table1 SDSS DR7 groups, clusters and filaments (Smith+, 2012)
*Catalogue of MSPM groups and clusters in SDSS DR7 (10443 rows)
  recno=1751
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ColumnValue  Explain   (UCD)
_RAJ200021 57 21.984 "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)
_DEJ2000-07 51 24.84 "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)
_RAB195021 54 43.382 "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)
_DEB1950-08 05 43.92 "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)
_Glon049.728288 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-44.560141 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)
1751recno 1751  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
F   F indicates a Filament (details in table5) (meta.ref.url)

ID 1751  (i) [1/10443] Identification number of MSPM group or cluster (MultiScale Probability Mapping) (meta.id;meta.main)
RAJ2000329.3416 deg (i) Right Ascension (J2000) (deg) (pos.eq.ra;meta.main)
DEJ2000-07.8569 deg (i) Declination (J2000) (deg) (pos.eq.dec;meta.main)
z 0.05588   [0.025/0.24] Redshift (src.redshift)
P 0.999   [0.5/1] Overdensity probability at peak P-S (Note 1)   (stat.fit.goodness)
N 14   [4/157] Count of galaxies with r<17.77 (meta.number)
R 0.497 Mpc Radius in Mpc/h enclosing region with P-S>0.5 (Note 1)   (phys.size.radius;obs.field)
LDCa 10.6   Local density contrast (LDC) with radii [0.4,2]Mpc/h (phys.density;arith.ratio)
n_LDCa    [i] 'i' for infinity (meta.note)
LDCb 7.8   Local density contrast (LDC) with radii [1,2]Mpc/h (phys.density;arith.ratio)
n_LDCb    [i] 'i' for infinity (meta.note)
sigma 320 km/s Velocity dispersion σ (phys.veloc.dispersion)
Dens 318.0   Galaxy density within 0.4Mpc/h in units of the background density (phys.density)
  
elapse time 0

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