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J/ApJS/229/39/table1 Narrow line Seyfert 1 galaxies from SDSS-DR12 (Rakshit+, 2017)
Emission line properties of narrow-line Seyfert 1 (NLSy1) galaxies
spectrum
(11101 rows)
  recno=3645
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ColumnValue  Explain   (UCD)
_RAJ200008 10 53.7504 "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+28 06 10.980 "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)
_RAB195008 07 49.7728 "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+28 15 06.936 "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)
_Glon194.1233703 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+28.7870697 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)
3645recno 3645  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Sp-ID0930-52618-0048  SDSS identifier; plate-mjd-fiber (meta.id;meta.main)
RAJ2000122.72396 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+28.10305 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
z 0.2850   [0.009/0.8] Spectroscopic redshift (src.redshift)
logL510043.83 [10-7W] [41/46] Log nuclear monochromatic luminosity at 5100Å (in erg/s) (phys.luminosity;em.opt)
FHbb 171 10-20W/m2 [6/19115] Broad Hβ component flux (Note 1)   (phot.flux)
e_FHbb 5 10-20W/m2 Uncertainty in FHbb (Note 1)   (stat.error)
FWHMHbb1783 km/s [308/2200] Broad Hβ component FWHM (spect.line.width)
e_FWHMHbb 56 km/s Uncertainty in FWHMHbb (stat.error)
FHbn 18 10-20W/m2 [0/4255] Narrow Hβ component flux (Note 1)   (phot.flux)
e_FHbn 3 10-20W/m2 [0/808] Uncertainty in FHbn (Note 1)   (stat.error)
FO3 51 10-20W/m2 [0/17783] Total (broad+narrow) [OIII]5007Å flux (Note 1)   (phot.flux;em.line.OIII;spect.line)
e_FO3 7 10-20W/m2 [0/533] Uncertainty in FO3 (Note 1)   (stat.error)
FWHMO3n 326 km/s [0/1201] Narrow [OIII]5007Å component FWHM (spect.line.width)
e_FWHMO3n 36 km/s [0/212] Uncertainty in FWHMO3n (stat.error)
FHab 517 10-20W/m2 [0/60883] Broad Hα component flux (Note 1)   (phot.flux)
e_FHab 23 10-20W/m2 [0/5906] Uncertainty in FHab (Note 1)   (stat.error)
FWHMHab1825 km/s [0/4234] Broad Hα component FWHM (spect.line.width)
e_FWHMHab 49 km/s [0/2203] Uncertainty in FWHMHab (stat.error)
R4570 0.81   [0/4.6] Optical FeII strength relative to Hβ broad component (phys.atmol.collStrength;arith.ratio)

SDSSSDSS J081053.75+280611.0  SDSS-DR12 IAU name as in SIMBAD (linked to SIMBAD object if any under this DR12 identifier) (meta.ref.url)
SpSp  Interactive spectrum from SDSS (meta.ref.url)
NEDNED  ask the NED data-base about this object (meta.ref.url)
  
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