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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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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/114/215
  New SNR candidates in M31 (Magnier+, 1995)
ReadMe+ftp
1995A&AS..114..215M
Similar Catalogs
Post annotation 		img(gal)
1.J/A+AS/114/215/table1Image parameters (17 rows)
2.J/A+AS/114/215/table2O and early B stars and their Stroemgren spheres (19 rows)
3.J/A+AS/114/215/table3(c)The superbubbles (14 rows)
4.J/A+AS/114/215/table4(c)Our highest-confidence SNR candidates (13 rows)
5.J/A+AS/114/215/table5(c)Our middle-confidence SNR candidates (54 rows)
6.J/A+AS/114/215/table6(c)Our lowest-confidence SNR candidates (111 rows)
7.J/A+AS/114/215/table7(c)SNR candidates from other authors not identified in our images (55 rows)

Simple ConstraintList Of Constraints
 
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+3+4+5+6)Field  Field number (meta.id;meta.main)
  (1)n_Field (char) [b] Note on field (Note 1)   (meta.note)
  (1)RAd deg (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  (1)DEd deg (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  (1)ExpHa s Exposure time in Hα (time.duration;obs.exposure)
  (1)ExpSII s Exposure time in [SII] (time.duration;obs.exposure)
  (1)ExpV s Exposure time in V (time.duration;obs.exposure)
  (1)NoiseHa 10-16mW/m2/pix(n) Noise/pixel in Hα (instr.det.noise)
  (1)NoiseSII 10-16mW/m2/pix(n) Noise/pixel in [SII] (instr.det.noise)
  (2)Sp (char) Spectral type (src.spType)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)MVmag mag Absolute V magnitude (phys.magAbs;em.opt)
  (2)Vmag mag Apparent V magnitude (phot.mag;em.opt.V)
  (2)B-V mag B-V colour index (phot.color;em.opt.B;em.opt.V)
  (2)logN(Lyc) [s-1] Production rate of Lyman continuum photons (phys.luminosity)
  (2)logL(Ha) [10-7W] Expected Hα luminosity at the distance of M 31 (phys.luminosity)
  (2)logF(Ha) [mW/m2] Expected Hα flux at the distance of M 31 (phot.flux)
  (2)U pc/cm2 Excitation parameter for such photon rate (phys.excitParam)
  (2)Rad pc Stroemgren sphere radii for a ISM density nH=1cm–3 (phys.size.radius)
  (2)log(NH) [cm-2] Hydrogen column density for nH=1cm–3 (phys.columnDensity)
  (2)AV mag Expected optical extinction for nH=1cm–3 (phys.absorption)
  (2)Rad100 pc Stroemgren sphere radii for a ISM density nH=100cm–3 (phys.size.radius)
  (2)log(NH)100 [cm-2] Hydrogen column density for nH=100cm–3 (phys.columnDensity)
  (2)AV100 mag Expected optical extinction for nH=100cm–3 (phys.absorption)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Note1 (char) [*] * for HII regions detectable in our images (bold lines in printed table) (meta.note)
  (2)Note2 (char) [c] c for stars included in the completness limit of our blue star list (meta.note)
  (3+4+5+6+7)ID (char) Identification number (meta.id;meta.main)
  (3+4+5+6+7)RAJ2000 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  (3+4+5+6+7)DEJ2000 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  (3+4+5+6)DeltaRA arcsec Approximate extent of the object in right ascension (phys.angSize;pos.eq.ra)
  (3+4+5+6)DeltaDE arcsec Approximate extent of the object in declination (phys.angSize;pos.eq.dec)
  (3+4+5+6)Diam arcsec (n) Diameter of the object (phys.angSize;src)
  (3+4+5+6)n_Diam (char) When '*' extrapolated diameter (meta.note)
  (3+4+5+6)Pict (char) Picture number (meta.id)
  (3+4+5+6)Fig (char) Figure number (5a through 5m) (meta.bib.fig)
  (3+4+5+6+7)Comments (char) Comments (meta.note)

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