VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/MNRAS/495/1252
  Magnetic activity based on LAMOST and Kepler (Zhang+, 2020)
ReadMe+ftp
2020MNRAS.495.1252Z
Similar Catalogs
Post annotation 		img(gal)
1.J/MNRAS/495/1252/table3The EWs of the H{alpha} line for LAMOST DR5 low-resolution spectra (247378 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  Name (char) Source name (LAMOST JHHMMSS.ss+DDMMSS.s) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  Date (char) Observation date (phot.color;obs.airMass;arith.factor;pos.centroid;stat.param)
  MJM (char) Modified Julian minute ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)
  RAJ2000 deg (i) Right ascension (J2000) ((unassigned);obs.atmos;arith.factor;(unassigned);arith)
  DEJ2000 deg (i) Declination (J2000) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  magType (char) Target magnitude type (time.expo;meta.ref.pid;arith.grad;pos.eq.dec;phys.SFR)
  mag1 mag (n) Magnitude on the first band in magType ((unassigned);(unassigned);(unassigned);stat.filling)
  mag2 mag (n) Magnitude on the second band in magType ((unassigned);phys.veloc.orbital;arith.diff;stat.filling)
  mag3 mag (n) Magnitude on the third band in magType (phot.mag.sb;phys.size;arith;stat.filling)
  mag4 mag (n) Magnitude on the fourth band in magType ((unassigned);stat.error;arith.factor;stat.filling)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  mag5 mag (n) Magnitude on the fifth band in magType ((unassigned);phys.veloc.orbital;arith.diff;stat.filling)
  mag6 mag (n) Magnitude on the sixth band in magType ((unassigned);(unassigned);(unassigned);stat.filling)
  mag7 mag (n) Magnitude on the seventh band in magType ((unassigned);phys.veloc.orbital;arith.diff;stat.filling)
  SpType (char) Spectral type or object class ((unassigned);(unassigned);(unassigned);pos.posAng;meta.main)
  S/Nu  Signal to noise ratio on the u filter ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;meta.main)
  S/Ng  Signal to noise ratio on the g filter ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;meta.main)
  S/Nr  Signal to noise ratio on the r filter ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;meta.main)
  S/Ni  Signal to noise ratio on the i filter (stat.weight;instr.det;stat.min;meta.abstract;meta.main)
  S/Nz  Signal to noise ratio on the z filter ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;meta.main)
  EWHa 0.1nm (n) H{alpha} equivalent width (Note G1)   ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  e_EWHa 0.1nm (n) Error on EWHa ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Emis (char) [YN] Indicates whether there is emission ((unassigned);(unassigned);(unassigned);pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846499153 Where phase=3 and catid=74951252
**** 
**** --POSTGRES MSG db=1
**** Report from: stdb_pg,     Status: STDB_ERR 
****ERROR:  invalid page in block 0 of relation base/16403/6104 
****ERROR:  invalid page in block 0 of relation base/16403/6104
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR1185612.err (2026-10-28T10:39:12)
-3
-source=J/MNRAS/495/1252/table3
-ref=VIZ6ae1d0d012174c
elapse time 1