VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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J/ApJS/253/19
  Halpha and other EWs of LAMOST M-type stars (Zhang+, 2021)
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2021ApJS..253...19Z
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/253/19/mstars(c)Parameters of M stars catalog observed in LAMOST low-resolution spectral survey DR7 (Tables 2 and 3) (738476 rows)
2.J/ApJS/253/19/table5(c)Parameters of M stars catalog from LAMOST medium-resolution survey, the parameter of H{alpha} line and its variations in short and long time scales (80565 rows)
3.J/ApJS/253/19/table6(c)Parameters of M stars catalog with repeated LAMOST low-resolution observations (85992 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  (1)MR  (n)Number of medium resolution measurements for this star (link to Table 5) ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
   (ALL)LAMOST (char) (i) LAMOST identifier (JHHMMSS.ss+DDMMSS.s) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  (1)Np  (n)Number of repeated low resolution measurements for this star ((unassigned);phys.veloc.orbital;arith.diff;pos.geocentric)
  (1)HJD d (n)(i) [55858.8/58643.11] Heliocentric Julian Date of observation; HJD-2400000 (Note G1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.centroid;meta.main)
  (1+2)Exp s (n) [500/9000] Exposure time ((unassigned);(unassigned);(unassigned);pos.eq.dec)
   (ALL)SpT (char) Spectral type ((unassigned);phys.veloc.orbital;arith.diff;pos.posAng;meta.main)
  (1)SNr   [-9999/999] Signal to noise in r filter ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)
  (1)RVel km/s (n) [-9999/93341] Radial velocity ((unassigned);(unassigned);(unassigned);spect.index;arith.diff;meta.main)
  (1)e_RVel km/s (n) [0/999619] Uncertainty in RVel ((unassigned);(unassigned);(unassigned);time.age;(unassigned);meta.main)
  (1)SDSS (char) SDSS DR 12 identifier (JHHMMSS.ss+DDMMSS.s) ((unassigned);(unassigned);(unassigned);spect.line.veloc)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)umag mag (n) [10.3/32.6] Apparent SDSS u band AB magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1)e_umag mag (n) [0/82] Uncertainty in umag ((unassigned);(unassigned);(unassigned);time.age;stat.probability)
  (1)gmag mag (n) [7.9/36.1] Apparent SDSS g band AB magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  (1)e_gmag mag (n) [0/68] Uncertainty in gmag ((unassigned);(unassigned);(unassigned);time.age;stat.probability)
  (1)rmag mag (n) [6.5/31.1] Apparent SDSS r band AB magnitude ((unassigned);phys.veloc.orbital;arith.diff;stat.filling;(unassigned);(unassigned))
  (1)e_rmag mag (n) [0/37] Uncertainty in rmag ((unassigned);(unassigned);(unassigned);time.age;stat.probability)
  (1)imag mag (n) [6.1/37.6] Apparent SDSS i band AB magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1)e_imag mag (n) [0/58] Uncertainty in imag ((unassigned);(unassigned);(unassigned);time.age;stat.probability)
  (1)zmag mag (n) [5/32.6] Apparent SDSS z band AB magnitude ((unassigned);(unassigned);(unassigned);stat.filling;(unassigned);(unassigned))
  (1)e_zmag mag (n) [0/59] Uncertainty in zmag ((unassigned);phys.luminosity.fun;arith.grad;time.age;stat.probability)
  (1+2)EWHa 0.1nm (n) [-984/7873] H{alpha} equivalent width; Angstroms (stat.max;obs.atmos.refractAngle;arith.grad;phys.at.moment.magnetic;meta.main)
  (1)SNHa  (n) [-753/9856] Signal to noise of H{alpha} line ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)
  (1+2)e_EWHa 0.1nm (n) [0/9975] Uncertainty in EWHa ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Height 0.1nm (n) [0/1104] Height of H{alpha} ((unassigned);phys.veloc.orbital;arith.diff;phys.angArea;(unassigned);(unassigned))
  (1)E (char) H{alpha} activity criteria; (Y)es or (N)o ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (1)EWCaH 0.1nm (n) [-9732/93048] CaII H line equivalent width; in Angstrom units (phot.color;(unassigned);arith.grad;phys.at.moment.magnetic;meta.main)
  (1)e_EWCaH 0.1nm (n) [0.003/996907] Uncertainty in EWCaH ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (1)f_EWCaH (char) Activity flag for EWCaH (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (1)EWHb 0.1nm (n) [-945/7740] H{beta} line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWHb 0.1nm (n) [0/9990] Uncertainty in EWHb ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  (1)f_EWHb (char) Activity flag for EWHb (Note 1)   ((unassigned);phys.veloc.orbital;arith.diff;pos.eq.dec)
  (1)EWHg 0.1nm (n) [-9397/98764] H{gamma} line equivalent width; in Angstrom units ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;meta.main)
  (1)e_EWHg 0.1nm (n) [0.001/1546892] Uncertainty in EWHg ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)f_EWHg (char) Activity flag for EWHg (Note 1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)EWHd 0.1nm (n) [-1000/9981] H{delta} line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWHd 0.1nm (n) [0.002/99944] Uncertainty in EWHd ((unassigned);(unassigned);(unassigned);time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)f_EWHd (char) Activity flag for EWHd (Note 1)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)EWHeI 0.1nm (n) [-8872/48729] HeI D3 line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWHeI 0.1nm (n) [0/9997] Uncertainty in EWHeI ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)f_EWHeI (char) Activity flag for EWHeI ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)EWCaII-1 0.1nm (n) [-815931/77628000] CaII 8498Å line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWCaII-1 0.1nm (n) [0/48926900] Uncertainty in EWCaII-1 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)f_EWCaII-1 (char) Activity flag for EWCaII-1 ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)EWCaII-2 0.1nm (n) [-635707/749992000] CaII 8542Å line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWCaII-2 0.1nm (n) [0/87080000] Uncertainty in EWCaII-2 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)f_EWCaII-2 (char) Activity flag for EWCaII-2 ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (1)EWCaII-3 0.1nm (n) [-812/80842] CaII 8662Å line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWCaII-3 0.1nm (n) [0/49267000] Uncertainty in EWCaII-3 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)f_EWCaII-3 (char) Activity flag for EWCaII-3 ((unassigned);(unassigned);(unassigned);pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)EWTiO5 0.1nm (n) [-900/999995] TiO5 molecular line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWTiO5 0.1nm (n) [0/1316216] Uncertainty in EWTiO5 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)EWCaH1 0.1nm (n) [-3580/6399] CaH1 molecular line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWCaH1 0.1nm (n) [0/970780] Uncertainty in EWCaH1 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)EWCaH2 0.1nm (n) [-1205/730] CaH2 molecular line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWCaH2 0.1nm (n) [0/99769] Uncertainty in EWCaH2 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)EWCaH3 0.1nm (n) [-837/1777] CaH3 molecular line equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  (1)e_EWCaH3 0.1nm (n) [0/42079819] Uncertainty in EWCaH3 ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (1)DR4+5 (char) Display the LAMOST DR4 (V/153) and DR5 (V/164) data within 0.5" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  (1)Sloan (char) Display the online SDSS-DR14 data for the nearest object ((unassigned);(unassigned);(unassigned);pos.geocentric)
   (ALL)_RA deg (i) Positions from LAMOST names (right ascension part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)_DE deg (i) Positions from LAMOST names (declination part) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (2)LR  (n)Display low resolution measurements for this star ((unassigned);(unassigned);(unassigned);pos.geocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)HJD min (n) [83555758/84454742] Heliocentric Julian Date in minutes ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (2)SN   [0/999] Signal to noise ratio ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)
  (2)Em (char) [Y/N] Emission of H{alpha} line? (No=absorption) ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)L (char) [Y/N] H{alpha} variation on long time scale? ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)S (char) [Y/N] H{alpha} variation on short time scale? ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (3)Seq   [1/85992] Internal object number ((unassigned);(unassigned);(unassigned);spect.line.veloc)
  (3)Rep   [2/30] The repeated number of objects ((unassigned);(unassigned);(unassigned);src.var)
  (3)EWHa-Max 0.1nm [-86/1363] Maximum H{alpha} equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;pos.phaseAng;(unassigned);(unassigned))
  (3)e_EWHa-Max 0.1nm [0/8484] Uncertainty in EWHa-Max ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (3)EWHa-Min 0.1nm [-498/318] Minimum H{alpha} equivalent width; in Angstrom units ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;arith.ratio;(unassigned);(unassigned))
  (3)e_EWHa-Min 0.1nm [0/8928] Uncertainty in EWHa-Min ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (3)Ratio   [-79107/24178] The EWHa-Max/EWHa-Min ratio ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;instr.bandpass)
  (3)Diff   [0/1360] The EWHa-Max - EWHa-Min difference ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;instr.bandpass)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)e_Diff   [0.002/8928] Uncertainty in Diff ((unassigned);(unassigned);(unassigned);time.age;instr.bandpass)
  (3)Var (char) [Yes/No ] Variation of H{alpha} line? ((unassigned);(unassigned);(unassigned);pos.eq.dec;pos.cartesian;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  

The following problems were encountered in this VizieR run:
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846424058 Where phase=3 and catid=22530019
**** 
**** --POSTGRES MSG db=0
**** 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 
****Error execute query: UPDATE METAstat set nother=nother+1, tother=846424058 Where phase=3 and catid=22530019
**** 
**** --POSTGRES MSG db=0
**** 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/VR3445669.err (2026-10-27T13:47:38)
-3
-source=J/ApJS/253/19
-ref=VIZ6ae0ab7a3493a5
elapse time 0