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J/ApJS/235/11/table1 Absorption features in SDSS. I. MgII abs. doublets (Chen+, 2018)
Catalog of quasar spectra searched for MgII absorption systems
spectrum
(198229 rows)
  recno=159014
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ColumnValue  Explain   (UCD)
_RAJ200013 21 26.5800 "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+38 32 53.700 "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)
_RAB195013 19 11.1680 "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+38 48 34.601 "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)
_Glon096.0091759 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+76.9682725 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)
159014recno 159014  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
EW   Display the MgII absorption system catalog (table 2) (meta.ref.url)

SDSSJ132126.58+383253.7  (i) SDSS identifier (JHHMMSS.ss+DDMMSS.s) (Note G1)   (meta.id;meta.main)
Plate1977  SDSS plate number (meta.id;instr.plate)
MJD53475 d [51608/56837] Modified Julian Date of the observation (time.epoch)
Fiber 183  SDSS fiber number (meta.id)
zem 0.9542   [0.3/2.8] Spectroscopic emission line derived redshift (src.redshift)
logL45.015 [10-7W] [43/47.5] log monochromatic flux at 3000Å; in units of erg/s. (phys.luminosity)
S/N12.2   [3/87] Median Signal-to-Noise per pixel (stat.snr)

DR7Q 1  Display the SDSS -DR7 quasar catalog (VII/260) within 1" if any (meta.ref.url)
DR12Q 0  Display the SDSS -DR12 quasar catalog (VII/279) within 0.5" (meta.ref.url)
DR7+DR12DR7+DR12  Display data from the SDSS -DR7 (II/294) and -DR12 (V/147) photometric catalogs within 0.5" (meta.ref.url)
SpSp  Interactive spectrum from SDSS-DR12 (meta.ref.url)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
NEDNED  ask the NED data-base about this object (meta.ref.url)
_RA200.36075 deg (i) Position from SDSS name (right ascension part) (pos.eq.ra;meta.main)
_DE+38.54825 deg (i) Position from SDSS name (declination part) (pos.eq.dec;meta.main)
  
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