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J/MNRAS/500/2359/hiicat HII region emission-line fluxes analysis (Zurita+, 2021)
HII region catalogue with line fluxes, chemical abundances and positions (2831 rows)
  recno=2576
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200022 37 02.544 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+34 26 12.84 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195022 34 45.116 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+34 10 37.66 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon093.729081 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-20.703280 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
2576recno 2576  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RegionNGC7331_2  HII region identification (Note 1)   (meta.id;obs.field)
GalaxyNGC7331  Host galaxy name (meta.id;meta.main)
RAJ2000339.2606 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+34.4369 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
[OII]3727/Hb    Reddening-corrected flux in [OII]3727 line relative to Hbeta (phot.flux;spect.line;arith.ratio)
[SII]4072/Hb    Reddening-corrected flux in [SII]4068,4076 relative to Hbeta (phot.flux;arith.ratio)
e_[SII]4072/Hb    Uncertainty in [SII]4072/Hb (stat.error)
[OIII]4363/Hb    Reddening-corrected flux in [OIII]4363 line relative to Hbeta (phot.flux;spect.line;arith.ratio)
e_[OIII]4363/Hb    Uncertainty in [OIII]4363/Hb (stat.error)
[OIII]4959/Hb    Reddening-corrected flux in [OIII]4959 line relative to Hbeta (phot.flux;arith.ratio;spect.line)
[OIII]5007/Hb    Reddening-corrected flux in [OIII]5007 line relative to Hbeta (phot.flux;spect.line;arith.ratio)
[OIII]/Hb    Reddening-corrected flux in [OIII]4959+[OIII]5007 relative to Hbeta (spect.line.intensity;arith.ratio)
[NII]5755/Hb    Reddening-corrected flux in [NII]5755 line relative to Hbeta (phot.flux;arith.ratio;spect.line)
e_[NII]5755/Hb    Uncertainty in [NII]5755/Hb (stat.error)
[SIII]6312/Hb    Reddening-corrected flux in [SIII]6312 line relative to Hbeta (phot.flux;arith.ratio;spect.line)
e_[SIII]6312/Hb    Uncertainty on [SIII]6312/Hb (stat.error)
[NII]6548/Hb    Reddening-corrected flux in [NII]6548 relative to Hbeta (phot.flux;arith.ratio)
Ha/Hb 2.86000   Reddening-corrected flux in Halpha relative to Hbeta (phot.flux;arith.ratio;spect.line)
[NII]6583/Hb 2.65000   Reddening-corrected flux in [NII]6583 line relative to Hbeta (phot.flux;arith.ratio;spect.line)
[NII]/Hb 3.53333   Reddening-corrected flux in [NII]6548+[NII]6583 relative to Hbeta (phot.flux;arith.ratio)
[SII]6717/Hb    Reddening-corrected flux in [SII]6717 line relative to Hbeta (phot.flux;spect.line;arith.ratio)
[SII]6731/Hb    Reddening-corrected flux in [SII]6731 line relative to Hbeta (phot.flux;spect.line;arith.ratio)
[SII]/Hb 0.91000   Reddening-corrected flux in [SII]6717+[SII]6731 relative to Hbeta (phot.flux;arith.ratio)
[OII]7325/Hb    Reddening-corrected flux in [OII]7320,7330 relative to Hbeta (phot.flux;arith.ratio)
e_[OII]7325/Hb    Uncertainty in [OII]7325/Hb (stat.error)
[SIII]9069/Hb    Reddening-corrected flux in [SIII]9069 line relative to Hbeta (phot.flux;spect.line;arith.ratio)
[SIII]9532/Hb    Reddening-corrected flux in [SIII]9532 line relative to Hbeta (phot.flux;arith.ratio;spect.line)
[SIII]/Hb    Reddening-corrected flux in [SIII]9069+[SIII]9532 relative to Hbeta (phot.flux;arith.ratio)
C(Hb) 1.53   Hbeta reddening constant (Note 2)   (phys.absorption)
Av  mag Extinction in magnitudes in V band (Note 2)   (phys.absorption)
E(B-V)  mag Color excess (Note 2)   (phot.color.excess)
R 5.78 kpc HII region galactocentric radius in kpc (phys.size.radius)
R/r25 0.25  HII region galactocentric radius in units of r25 (phys.size.radius;arith.ratio)
R/re 0.72  HII region galactocentric radius in units of the disk effective radius (re) (phys.size.radius;arith.ratio;obs.field)
RefGusev+12  Reference of the work from which HII region emission-line fluxes and position were compiled in refs.dat file (meta.ref;phot.flux)
Location1D  Location of the region (Note 3)   (obs.field)
Location2-  Location of the region (Note 4)   (obs.field)
OH.HCM 8.70   Oxygen abundance, 12+log(O/H), from HCM (Note 5)   (phys.abund)
e_OH.HCM 0.03   Uncertainty in OH.HCM (stat.error)
OH.N2PP04    Oxygen abundance, 12+log(O/H), from N2_PP04 (Note 5)   (phys.abund)
OH.O3N2PP04    Oxygen abundance, 12+log(O/H), from O3N2_PP04 (Note 5)   (phys.abund)
OH.O3N2M13    Oxygen abundance, 12+log(O/H), from O3N2_M13 (Note 5)   (phys.abund)
OH.N2O2B07    Oxygen abundance, 12+log(O/H), from N2O2_B07 (Note 5)   (phys.abund)
OH.R23MG91    Oxygen abundance, 12+log(O/H), from R23_MG91 (Note 5)   (phys.abund)
OH.R23lowMG91    Oxygen abundance, 12+log(O/H), from R23_MG91, for lower branch (Note 5)   (phys.abund)
OH.R23upMG91    Oxygen abundance, 12+log(O/H), from R23_MG91, for upper branch (Note 5)   (phys.abund)
OH.RPG16    Oxygen abundance, 12+log(O/H), from R_PG16 (Note 5)   (phys.abund)
NO.HCM -0.47   Nitrogen-to-oxygen abundance ratio, log(N/O), from HCM (Note 6)   (phys.abund)
e_NO.HCM 0.04   Uncertainty in NO.HCM (stat.error)
NO.N2O2PC09    Nitrogen-to-oxygen abundance ratio from N2O2_PC09 (Note 6)   (phys.abund)
NO.N2S2PC09 -0.275100   Nitrogen-to-oxygen abundance ratio from N2S2_PC09 (Note 6)   (phys.abund)
NO.RPG16    Nitrogen-to-oxygen abundance ratio from R_PG16 (Note 6)   (phys.abund)
Ne  cm-3 Measured electron density (phys.density;phys.electron)
Ne.ad  cm-3 Adopted electron density (phys.density;phys.electron)
T(OIII)  K Measured electron temperature from [OIII] lines: 4363/(4959+5007) (phys.temperature.electron;phys.electron)
e_T(OIII)  K Uncertainty in T(OIII) (stat.error)
T(OII)  K Measured electron temperature from [OII] lines: 7325/(3727) (phys.temperature.electron;phys.electron)
e_T(OII)  K Uncertainty in T(OII) (stat.error)
T(SII)  K Measured electron temperature from [SII] lines: 4072/(6717+6731) (phys.temperature.electron;phys.electron)
e_T(SII)  K Uncertainty in T(SII) (stat.error)
T(SIII)  K Measured electron temperature from [SIII] lines: 6312/(9069+9532) (phys.temperature.electron;phys.electron)
e_T(SIII)  K Uncertainty in T(SIII) (stat.error)
T(NII)  K Measured electron temperature from [NII] lines: 5755/(6548+6584) (phys.temperature.electron;phys.electron)
e_T(NII)  K Uncertainty in T(NII) (stat.error)
Te.low  K Adopted Te value for the low excitation region (phys.temperature;phys.electron)
e_Te.low  K Uncertainty in Te.low (stat.error)
f_Te.low-   [-y] Flag on Te.low (Note 7)   (meta.code)
Te.high  K Adopted Te value for the high excitation region (phys.temperature;phys.electron)
e_Te.high  K Uncertainty in Te.high (stat.error)
O+/H+    Ionic abundance ratio O+/H+ (phys.abund)
e_O+/H+    Uncertainty in O+/H+ (stat.error;phys.abund)
O++/H+    Ionic abundance ratio O++/H+ (phys.abund)
e_O++/H+    Uncertainty in O++/H+ (stat.error;phys.abund)
N+/H+    Ionic abundance ratio N+/H+ (phys.abund)
e_N+/H+    Uncertainty in N+/H+ (stat.error;phys.abund)
OH.Te.tw    Te-based oxygen abundance, 12+log(O/H), derived in this work (phys.abund)
e_OH.Te.tw    Uncertainty in OH.Te.tw (stat.error)
NO.Te.tw    Te-based nitrogen-to-oxygen abundance ratio, log(N/O), derived in this work (phys.abund)
e_NO.Te.tw    Uncertainty in NO.Te.tw (stat.error)
OH.Te.pw    Te-based 12+log(O/H) derived in previous work (see column 'Ref') (phys.abund)
e_OH.Te.pw    Uncertainty in OH.Te.pw (stat.error)
NO.Te.pw    Te-based log(N/O) derived in previous work (see column 'Ref') (phys.abund)
e_NO.Te.pw    Uncertainty in NO.Te.pw (stat.error)
  
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