Catalog

JavaScript is used, and should be enabled to get full functionality.

Looking for catalogs ..

Simple Target List Of Targets Fast Xmatch with large catalogs or Simbad

Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size

	J/ApJS/244/36	-1		QSO properties from SDSS. II. The first two years (Chen+, 2019) ReadMe+ftp 2019ApJS..244...36C Similar Catalogs spectrum Post annotation
1.	J/ApJS/244/36/table1		SDSS-IV/eBOSS quasar catalog[spectrum] (173935 rows) metaJ/ApJS/244/36/table1

Simple Constraint List Of Constraints

Query by Constraints constraints help

applied on Columns (Output Order: + - )

Show

Sort

Column

Constraint

Explain (UCD)

recno

Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SDSS

(char)

⁽ⁱ⁾ SDSS DR14 (VII/286) designation (HHMMSS.ss+DDMMSs.s; J2000 – except for 524 not correcly written objects) (meta.id;meta.main)

Plate

Spectroscopic plate number (meta.id;instr.plate)

MJD

⁽ⁱ⁾ Modified Julian Date (JD-2400000.5) (time.epoch)

Fiber

Spectroscopic fiber number (meta.number;pos.parallax.spect)

zVI

[0.008/7] Redshift, visual inspection taken from DR14Q (src.redshift;pos.heliocentric)

zOIII

⁽ⁿ⁾ [0.03/0.9] Redshift, [OIII] 5007Å based (Note 1) (src.redshift;pos.heliocentric)

zMgII

⁽ⁿ⁾ [0.3/2.5] Redshift, MgII 2799Å based (Note 1) (src.redshift;pos.heliocentric)

zCIV

⁽ⁿ⁾ [1.5/5.1] Redshift, CIV 1548Å based (Note 1) (src.redshift;pos.heliocentric)

logL5100

[10-7W]

⁽ⁿ⁾ [39.9/46.2] Monochromatic luminosity, power-law continuum fit at 5100Å in log erg/s units (Note 1) (phys.luminosity;spect.line)

logL3000

[10-7W]

⁽ⁿ⁾ [41.7/47.5] Monochromatic luminosity, power-law continuum fit at 3000Å in log erg/s units (Note 1) (phys.luminosity;spect.line)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

logL1350

[10-7W]

⁽ⁿ⁾ [43.8/47.5] Monochromatic luminosity, power-law continuum fit at 1350Å in log erg/s units (Note 1) (phys.luminosity;spect.line)

logMBH-Ha

[Msun]

⁽ⁿ⁾ [3.8/9.6] Virial BH mass, Hα fit Eq. 5 (Note 1) (phys.mass)

logMBH-Hb

[Msun]

⁽ⁿ⁾ [6.4/9.8] Virial BH mass, Hβ fit Eq. 4 (Note 1) (phys.mass)

logMBH-MgII

[Msun]

⁽ⁿ⁾ [6.5/10.5] Virial BH mass, MgII fit Eq. 3 (Note 1) (phys.mass)

logMBH-CIV

[Msun]

⁽ⁿ⁾ [7/10.6] Virial BH mass, CIV fit Eq. 2 (Note 1) (phys.mass)

logMBH-Ha2

[Msun]

⁽ⁿ⁾ [5/9.7] Virial BH mass, Hα fit Eq. 1 and new (a,b) (Note 1) (phys.mass)

logMBH-MgII2

[Msun]

⁽ⁿ⁾ [6.7/10.1] Virial BH mass, MgII fit Eq. 1 and new (a,b) (Note 1) (phys.mass)

logMBH-CIV2

[Msun]

⁽ⁿ⁾ [7/10.6] Virial BH mass, CIV fit Eq. 1 and new (a,b) (Note 1) (phys.mass)

logL-bHa

[10-7W]

⁽ⁿ⁾ [37.3/44.1] Line luminosity of broad Hα, in log erg/s units (Note 1) (phys.luminosity;em.line.Halpha)

e_logL-bHa

[10-7W]

⁽ⁿ⁾ [0.009/1] Uncertainty of logLbHa (Note 1) (stat.error)

EW-bHa

0.1nm

⁽ⁿ⁾ [3.5/1019] Rest-frame equivalent width of broad Hα, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-bHa

0.1nm

⁽ⁿ⁾ [1.6/219.1] Uncertainty of EWbHa (Note 1) (stat.error;spect.line.eqWidth)

FWHM-bHa

km/s

⁽ⁿ⁾ [1094/13799] FWHM of broad Hα (Note 1) (spect.line.width)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

logL-nHa

[10-7W]

⁽ⁿ⁾ [39.4/43.2] Line luminosity of narrow Hα in log erg/s units (Note 1) (phys.luminosity;em.line.Halpha)

e_logL-nHa

[10-7W]

⁽ⁿ⁾ [0.01/1.1] Uncertainty of logLnHa (Note 1) (stat.error)

EW-nHa

0.1nm

⁽ⁿ⁾ [0.9/827.4] Rest-frame equivalent width of narrow Hα, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-nHa

0.1nm

⁽ⁿ⁾ [0.5/37] Uncertainty of EWnHa (Note 1) (stat.error;spect.line.eqWidth)

FWHM-nHa

km/s

⁽ⁿ⁾ [198/1191] FWHM of narrow Hα (Note 1) (spect.line.width)

logL-NIIa

[10-7W]

⁽ⁿ⁾ [39/42.7] Line luminosity of [NII]6549Å in log erg/s units (Note 1) (phys.luminosity)

e_logL-NIIa

[10-7W]

⁽ⁿ⁾ [0.07/13.3] Uncertainty of logLNIIa (Note 1) (stat.error)

EW-NIIa

0.1nm

⁽ⁿ⁾ [0.3/40.2] Rest-frame equivalent width of [NII] 6549A, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-NIIa

0.1nm

⁽ⁿ⁾ [0.3/26.1] Uncertainty of EWNIIa (Note 1) (stat.error;spect.line.eqWidth)

logL-NIIb

[10-7W]

⁽ⁿ⁾ [39.4/43.2] Line luminosity of [NII]6585Å, in log erg/s units (Note 1) (phys.luminosity)

e_logL-NIIb

[10-7W]

⁽ⁿ⁾ [0.02/1.1] Uncertainty of logLNIIb (Note 1) (stat.error)

EW-NIIb

0.1nm

⁽ⁿ⁾ [1/119.2] Rest-frame equivalent width of [NII]6585Å, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-NIIb

0.1nm

⁽ⁿ⁾ [0.4/29.5] Uncertainty of EWNIIb (Note 1) (stat.error;spect.line.eqWidth)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

logL-SIIa

[10-7W]

⁽ⁿ⁾ [39.2/42.7] Line luminosity of [SII] 6718Å, in log erg/s units (Note 1) (phys.luminosity)

e_logL-SIIa

[10-7W]

⁽ⁿ⁾ [0.04/1.1] Uncertainty of logLSIIa (Note 1) (stat.error)

EW-SIIa

0.1nm

⁽ⁿ⁾ [0.3/69.5] Rest-frame equivalent width of [SII]6718Å, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-SIIa

0.1nm

⁽ⁿ⁾ [0.2/21] Uncertainty of EWSIIa (Note 1) (stat.error;spect.line.eqWidth)

logL-SIIb

[10-7W]

⁽ⁿ⁾ [39.1/42.6] Line luminosity of [SII] 6732Å, in log erg/s units (Note 1) (phys.luminosity)

e_logL-SIIb

[10-7W]

⁽ⁿ⁾ [0.04/1.3] Uncertainty of logLSIIb (Note 1) (stat.error)

EW-SIIb

0.1nm

⁽ⁿ⁾ [0.4/54.5] Rest-frame equivalent width of [SII]6732Å, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-SIIb

0.1nm

⁽ⁿ⁾ [0.2/23.1] Uncertainty of EWSIIb (Note 1) (stat.error;spect.line.eqWidth)

ch2-Ha

⁽ⁿ⁾ [0.4/21.3] Reduced χ^2 for Hα emission line fits (Note 1) (meta.note)

Npix-Ha

⁽ⁿ⁾ [210/264] Number of good pixels, 6400-6800Å (Note 1) (meta.number)

SN-Ha

⁽ⁿ⁾ [2/81.7] Median S/N per pixel, 6400-6800Å (Note 1) (stat.snr)

alpha-Ha

⁽ⁿ⁾ [-3.6/6] Power-law slope continuum fit in Hα spectral region (Note 1) (spect.index)

logL-bHb

[10-7W]

⁽ⁿ⁾ [40.2/44.3] Line luminosity of broad Hβ, in log erg/s units (Note 1) (phys.luminosity;em.line.Hbeta)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_logL-bHb

[10-7W]

⁽ⁿ⁾ [0.02/1.1] Uncertainty of logLbHb (Note 1) (stat.error)

EW-bHb

0.1nm

⁽ⁿ⁾ [3.6/210.1] Rest-frame equivalent width of broad Hβ, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-bHb

0.1nm

⁽ⁿ⁾ [1.3/90.4] Uncertainty of EWbHb (Note 1) (stat.error;spect.line.eqWidth)

FWHM-bHb

km/s

⁽ⁿ⁾ [1098/15784] FWHM of broad Hβ (Note 1) (spect.line.width)

logL-nHb

[10-7W]

⁽ⁿ⁾ [39/43.3] Line luminosity of narrow Hβ, in log erg/s units (Note 1) (phys.luminosity;em.line.Hbeta)

e_logL-nHb

[10-7W]

⁽ⁿ⁾ [0.02/1.3] Uncertainty of logLnHb (Note 1) (stat.error)

EW-nHb

0.1nm

⁽ⁿ⁾ [0.2/177.2] Rest-frame equivalent width of narrow Hβ, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-nHb

0.1nm

⁽ⁿ⁾ [0.2/26] Uncertainty of WnHb (Note 1) (stat.error;spect.line.eqWidth)

FWHM-nHb

km/s

⁽ⁿ⁾ [197/1184] FWHM of narrow Hβ (Note 1) (spect.line.width)

logL-OIIIa

[10-7W]

⁽ⁿ⁾ [37.8/43.6] Line luminosity of [OIII]4959Å, in log erg/s units (Note 1) (phys.luminosity;em.line.OIII;spect.line)

e_logL-OIIIa

[10-7W]

⁽ⁿ⁾ [0.02/31] Uncertainty of logLOIIIa (Note 1) (stat.error)

EW-OIIIa

0.1nm

⁽ⁿ⁾ [0.1/746.4] Rest-frame equivalent width of [OIII]4959Å, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-OIIIa

0.1nm

⁽ⁿ⁾ [0.3/86] Uncertainty of WOIIIa (Note 1) (stat.error;spect.line.eqWidth)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

logL-OIIIb

[10-7W]

⁽ⁿ⁾ [38.3/44.1] Line luminosity of [OIII]5007Å, in log erg/s units (Note 1) (phys.luminosity;em.line.OIII;spect.line)

e_logL-OIIIb

[10-7W]

⁽ⁿ⁾ [0.01/1.4] Uncertainty of logLOIIIb (Note 1) (stat.error)

EW-OIIIb

0.1nm

⁽ⁿ⁾ [0.5/2262] Rest-frame equivalent width of [OIII]5007Å, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-OIIIb

0.1nm

⁽ⁿ⁾ [0.3/60] Uncertainty of WOIIIb (Note 1) (stat.error;spect.line.eqWidth)

ch2-Hb

⁽ⁿ⁾ [0.4/20.7] Reduced χ^2 for Hβ emission line fits (Note 1) (meta.note)

Npix-Hb

⁽ⁿ⁾ [226/355] Number of good pixels, 4700-5100Å (Note 1) (meta.number)

SN-Hb

⁽ⁿ⁾ [2/80] Median S/N per pixel, 4700-5100Å (Note 1) (stat.snr)

alpha-Hb

⁽ⁿ⁾ [-5/5.4] Power-law slope continuum fit in Hβ spectral region (Note 1) (spect.index)

logL-bMgII

[10-7W]

⁽ⁿ⁾ [41/45.4] Line luminosity of broad MgII, in log erg/s units (Note 1) (phys.luminosity)

e_logL-bMgII

[10-7W]

⁽ⁿ⁾ [0.03/1.1] Uncertainty of logLbMgII (Note 1) (stat.error)

logLMgII

[10-7W]

⁽ⁿ⁾ [41.2/45.4] Total luminosity of broad and narrow MgII, in log erg/s units (Note 1) (phys.luminosity)

EW-bMgII

0.1nm

⁽ⁿ⁾ [1.2/316] Rest-frame equivalent width of broad MgII, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-bMgII

0.1nm

⁽ⁿ⁾ [0.9/160.3] Uncertainty of WbMgII (Note 1) (stat.error;spect.line.eqWidth)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

FWHM-bMgII

km/s

⁽ⁿ⁾ [964/14866] FWHM of broad MgII (Note 1) (spect.line.width)

ch2-MgII

⁽ⁿ⁾ [0.3/52.5] Reduced χ^2 for MgII emission line fits (Note 1) (meta.note)

Npix-MgII

⁽ⁿ⁾ [479/792] Number of good pixels, 2500-3000Å (Note 1) (meta.number)

SN-MgII

⁽ⁿ⁾ [0/87.6] Median S/N per pixel, 2500-3000Å (Note 1) (stat.snr)

alpha-MgII

⁽ⁿ⁾ [-6.2/7.2] Power-law slope continuum fit in MgII spectral region (Note 1) (spect.index)

logL-CIV

[10-7W]

⁽ⁿ⁾ [42.2/45.6] Line luminosity of CIV, in log erg/s units (Note 1) (phys.luminosity)

e_logL-CIV

[10-7W]

⁽ⁿ⁾ [0.02/1.1] Uncertainty of logLCIV (Note 1) (stat.error)

EW-CIV

0.1nm

⁽ⁿ⁾ [0.8/417.1] Rest-frame equivalent width of CIV, Angstroms (Note 1) (spect.line.eqWidth)

e_EW-CIV

0.1nm

⁽ⁿ⁾ [0.5/214.3] Uncertainty of EWCIV (Note 1) (stat.error;spect.line.eqWidth)

FWHM-CIV

km/s

⁽ⁿ⁾ [1094/16591] FWHM of broad CIV (Note 1) (spect.line.width)

ch2-CIV

⁽ⁿ⁾ [0.3/348.5] Reduced χ^2 for CIV emission line fits (Note 1) (meta.note)

Npix-CIV

⁽ⁿ⁾ [229/562] Number of good pixels, 1450-1650Å (Note 1) (meta.number)

SN-CIV

⁽ⁿ⁾ [0/67.2] Median S/N per pixel, 1450-1650Å (Note 1) (stat.snr)

alpha-CIV

⁽ⁿ⁾ [-10.4/7.4] Power-law slope continuum fit in CIV spectral region (Note 1) (spect.index)

Interactive spectrum from SDSS-DR14 (meta.ref.url) (DATA_LINK)

spectrum

SimbadName

(char)

⁽ⁿ⁾Designation understandable by the Simbad data-base (meta.id)

NED

ask the NED data-base about this object (meta.ref.url) (DATA_LINK)

_RA

deg

⁽ⁱ⁾ Positions from SDSS DR14 names (except for 524 not correctly written names taken from corresponding SDSS via plate-mjd-fiber) (right ascension part) (pos.eq.ra;meta.main)

_DE

deg

⁽ⁱ⁾ Positions from SDSS DR14 names (except for 524 not correctly written names taken from corresponding SDSS via plate-mjd-fiber) (declination part) (pos.eq.dec;meta.main)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Adapt form	Display your selection only	Reset to default columns
	Display UCD1+ UCD1

elapse time 0