VizieR

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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/A+AS/92/625
  Ionized nebulae in M31 (Walterbos+ 1992)
ReadMe+ftp
1992A&AS...92..625W
Similar Catalogs
Post annotation 		img(gal)
1.J/A+AS/92/625/table2Catalog of ionized nebulae in M31 (967 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. (meta.record)
  ID  Source ID in the catalog. (meta.id;meta.main)
  RA1950 "h:m:s" (i) Right ascension 1950 (pos.eq.ra;meta.main)
  e_RA1950 s rms uncertainty on right ascension (stat.error;pos.eq.ra)
  DE1950 "d:m:s" (i) Declination 1950 (pos.eq.dec;meta.main)
  e_DE1950 arcsec rms uncertainty on declination (stat.error;pos.eq.dec)
  MajAxis arcsec Source major axis (Note 4)   (phys.angSize)
  e_MajAxis arcsec rms uncertainty on source major axis (Note 4)   (stat.error;phys.angSize)
  MinAxis arcsec Source minor axis (Note 4)   (phys.angSize;src)
  e_MinAxis arcsec rms uncertainty on source minor axis (Note 4)   (stat.error;phys.angSize)
  PA deg Major axis position angle (east of north) (pos.posAng)

ALL cols		    
 (i)indexed column
  e_PA deg rms uncertainty on PA (stat.error)
  Rmin arcsec Minimum radius of annular region (Note 1)   (phys.angSize;src)
  Rmax arcsec Maximum radius of annular region (Note 1)   (phys.angSize;src)
  H-alp 10-18W/m2Integrated source flux in Halpha (10–15 erg/cm2/s) (phot.flux)
  e_H-alp 10-18W/m2rms uncertainty on Halpha flux (stat.error)
  [SII] 10-18W/m2Integrated [SII] source flux (Note 5)   (phot.flux)
  e_[SII] 10-18W/m2rms uncertainty on [SII] flux (stat.error)
  X arcmin (n) Major axis coordinate of the source (phys.angSize)
  Y arcmin (n) Minor axis coordinate of the source (phys.angSize)
  R1 arcmin Radius within the galaxy of the spiral arm "most likely" associated with the source (Note 2)   (phys.angSize;src)
  R2 arcmin Second possible radius (Note 2)   (phys.angSize;src)
  V1 km/s Radial heliocentric velocity at R1 (Note 2)   (phys.veloc;pos.heliocentric)
  V2 km/s Radial heliocentric velocity at R2 (Note 2)   (phys.veloc;pos.heliocentric)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  dY1 arcmin Minor axis offsets of the source position from the "most likely" spiral arm (pos.angDistance)
  dY2 arcmin Minor axis offsets of the source position from the second arm (pos.angDistance)
  tau1  Optical depth at Halpha at radius R1 (Note 3)   (phys.absorption.opticalDepth)
  tau2  Optical depth at Halpha at radius R2 (Note 3)   (phys.absorption.opticalDepth)
  H-alp' 10-18W/m2Optical-depth-corrected flux in Halpha (Note 6)   (phot.flux)
  e_H-alp' 10-18W/m2rms uncertainty on H-alp' (stat.error)
  [SII]' 10-18W/m2Optical-depth-corrected flux in [SII] (Note 6)   (phot.flux)
  e_[SII]' 10-18W/m2rms uncertainty on [SII]' (stat.error)
  Xref  (n) Cross-reference ID to larger sources within the catalog in which the listed entry is embedded. (meta.id.parent)
  Morph (char) [CDR123 ] Morphology (Note 7)   (meta.code;src.morph)
  Notes (char) [cS? ] Notes (Note 8)   (meta.note)
  _RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)(i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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