VizieR

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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/ApJ/325/798
  Einstein survey of stars in the Hyades (Micela+, 1988)
ReadMe+ftp
1988ApJ...325..798M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/325/798/hyades_1(c)EO Survey of Hyades Region: Observation Parameters (63 rows)
2.J/ApJ/325/798/hyades_2(c)EO Survey of Hyades Stars: Optical Properties and X-ray Luminosities (131 rows)
3.J/ApJ/325/798/refsReferences (40 rows)

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);meta.version;arith.diff;phys.veloc)
  (1)Seqno  Sequence number (Note 1)   ((unassigned);meta.version;arith.diff;spect.line.veloc;arith)
  (1)f_Seqno (char) [ a] "a" indicates data is merged (Note 1)   ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (1+2)RAB1950 "h:m:s" Right Ascension (B1950) (hour) (stat.error;(unassigned);arith.grad;(unassigned);arith)
  (1+2)DEB1950 "d:m:s" Declination (B1950) (deg) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)StartDate "Y:M:D" (n)Start of observation (Note 2)   ((unassigned);(unassigned);(unassigned);pos.centroid;meta.main)
  (1)StopDate "Y:M:D" (n)End of observation (Note 2)   ((unassigned);pos.galactic.lon;arith.diff;pos.centroid;meta.main)
  (1)livetime ks Live time of observation (Note 3)   ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  (2)Name (char) Star name (Note 1)   ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  (2)Vmag mag Apparent visual magnitude (Note 2)   ((unassigned);meta.version;arith.diff;stat.filling;(unassigned);(unassigned))
  (2)B-V mag B-V color index (Note 2)   ((unassigned);meta.version;arith.diff;pos.healpix;(unassigned);(unassigned);(unassigned))

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)r_B-V  (n) Reference for mv and/or B-V (Note 2)   ((unassigned);meta.version;arith.diff;phys.veloc.dispersion)
  (2)Sp (char) Spectral type (Note 3)   ((unassigned);meta.version;arith.diff;pos.posAng;meta.main)
  (2)r_Sp (char) Reference for spectral type, comma separated (Note 3)   ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion)
  (2)Vsini (char) km/s Equatorial (rotational) velocities along line of sight (more than one value) (Note 4)   ((unassigned);(unassigned);(unassigned);stat.Fourier;meta.main)
  (2)r_Vsini (char) Reference for vsini. comma separated list (Note 4)   ((unassigned);(unassigned);(unassigned);phys.veloc.dispersion)
  (2)Notes (char) Notes ((unassigned);(unassigned);(unassigned);phys.veloc.orbital)
  (2)status (char) [AB] "A" if Certainty about Hyades membership; "B" if "Potential" (Note 9)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)VName (char) Star name (first name found in Name) (Note 1)   (pos.cylindrical;(unassigned);arith.factor;spect.line.veloc)
  (2)f_Lx (char) [01] Flagged "1" if Lx is an upper limit (Note 5)   ((unassigned);(unassigned);(unassigned);pos.galactic.lon)
  (2)Lx 10-7W X-ray luminosity from 0.16-4.0 keV (Note 6)   ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))
  (2)e_Lx 10-7W Error for luminosity (Note 6)   ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  (2)flux_flg (char) Flag indicating how flux was evaluated (Note 7)   ((unassigned);(unassigned);(unassigned);pos.eq.dec)
  (2)reco (char) Ribs and Edge Code flag (Note 8)   ((unassigned);meta.version;arith.diff;pos.cartesian)
  (3)code  reference code ((unassigned);meta.version;arith.diff;pos.angDistance)
  (3)reftxt (char) bibcode (if any) and reference text ((unassigned);meta.version;arith.diff;pos.angDistance)

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:
#***ucdid(5467501591900) can't be interpreted in column: RAB1950
If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR1205927.err (2026-09-27T05:34:05)
-3
-source=J/ApJ/325/798
-ref=VIZ6ab8aace1266a7
elapse time 3