VizieR

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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/MNRAS/492/719	-1		Chandra observations of 2106 radio-quiet QSOs (Timlin+, 2020) ReadMe+ftp 2020MNRAS.492..719T Similar Catalogs spectrum Post annotation
1.	J/MNRAS/492/719/catalog		Catalog[spectrum] (2106 rows) metaJ/MNRAS/492/719/catalog

Simple Constraint List Of Constraints

Query by Constraints constraints help

applied on Columns (Output Order: + - )

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Column

Constraint

Explain (UCD)

recno

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

SDSS

(char)

SDSS Name (SDSS_Name) (meta.id;meta.main)

RAJ2000

deg

⁽ⁱ⁾ Right Ascension (J2000) (RA) (pos.eq.ra;meta.main)

DEJ2000

deg

⁽ⁿ⁾⁽ⁱ⁾ [-10.6/69.7] Declination (J2000) (DEC) (pos.eq.dec;meta.main)

⁽ⁿ⁾ [1.7/2.7] Redshift (Z) (src.redshift)

logNH

[cm-2]

⁽ⁿ⁾ [19.6/21.2] Galactic column density (LOGNH) (phys.columnDensity;pos.galactic)

IMAGZ2

mag

⁽ⁿ⁾ [-30.0/-21.0] Absolute Magnitude (corrected to z=2) (MI_Z2) (phys.magAbs)

ObsID

(char)

Chandra observation ID (ObsID) (meta.id;obs)

Theta

arcmin

⁽ⁿ⁾ [0.1/19.4] Chandra offaxis angle (THETA) (instr.offset)

ExpTimeS

⁽ⁿ⁾ [737/170430] Soft Band exposure time (Exposure_Timesoft) (time.duration;obs.exposure)

ExpTimeH

⁽ⁿ⁾ [737/170430] Hard Band exposure time (Exposure_Timehard) (time.duration;obs.exposure)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

PbSoft

Binomial probability of detection (soft band) (Pb_soft) (stat.fit.goodness)

PbHard

Binomial probability of detection (hard band) (Pb_hard) (stat.fit.goodness)

Soft-cts

⁽ⁿ⁾ [1.9/1936.5] Net soft-band counts (Soft_Cts) (phot.count;em.X-ray)

E_Soft-cts

⁽ⁿ⁾ [2.3/115.3] Positive error (or upper limit) of net counts (soft band) (Soft_ctsperr) (stat.error;stat.max)

e_Soft-cts

⁽ⁿ⁾ [0.0/107.9] Negative error (or lower limit) of net counts (soft band) (Soft_ctsmerr) (stat.error)

Hard-cts

⁽ⁿ⁾ [2.0/674.4] Net hard-band counts (Hard_cts) (phot.count;em.X-ray)

E_Hard-cts

⁽ⁿ⁾ [2.3/84.8] Positive error (or upper limit) of net counts (hard band) (Hard_ctsperr) (stat.error;stat.max)

e_Hard-cts

⁽ⁿ⁾ [0.0/57.2] Negative error (or lower limit) of net counts (hard band) (Hard_ctsmerr) (stat.error)

⁽ⁿ⁾ [0.0/29.8] Hardness Ratio (HRat) (phot.flux;arith.ratio)

e_HR

⁽ⁿ⁾ [0.0/784.5] Negative error of hardness ratio (HR_merr) (stat.error)

E_HR

⁽ⁿ⁾ [0.0/28.9] Positive error of hardness ratio (HR_perr) (stat.error;stat.max)

Gamma

⁽ⁿ⁾ [0.5/3.0] Power-law photon index (both band detections) or limit (single-band detection) (Gamma) (meta.code;spect.index)

E_Gamma

⁽ⁿ⁾ [-0.9/1.0] Power-law photon index positive error (Gamma_perr) (stat.error;stat.max)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_Gamma

⁽ⁿ⁾ [-0.4/0.6] Power-law photon index negative error (Gamma) (stat.error)

Soft-Count-rate

ct/s

Soft-band count rate (Soft_Countrate) (phot.count;em.X-ray)

E_Soft-Count-rate

ct/s

Positive error on soft-band count rate (Soft_Countrate_perr) (stat.error;stat.max)

e_Soft-Count-rate

ct/s

Negative error on soft-band count rate (Soft_Countrate_merr) (stat.error)

Soft-flux

mW/m2

0.5-2 keV flux (Soft_flux) (phot.flux;em.X-ray)

e_Soft-flux

mW/m2

0.5-2 keV flux lower limit (Soft_fluxlolim) (stat.error;phot.flux)

E_Soft-flux

mW/m2

0.5-2 keV flux upper limit (Soft_fluxuplim) (stat.error;stat.max)

F2kev

10-7J/cm2

Rest-frame 2 keV flux density (f2kev) (phot.flux.density;em.X-ray.soft)

bF2kev

10-7J/cm2

Rest-frame 2 keV flux density lower limit (f2kev_lolim) (phot.flux.density;em.X-ray.soft;stat.min)

BF2kev

10-7J/cm2

Rest-frame 2 keV flux density upper limit (f2kev_uplim) (phot.flux.density;em.X-ray.soft;stat.max)

logL210kev

[10-7W]

⁽ⁿ⁾ [43.2/46.3] Rest-frame 2-10 keV luminosity (logL_210kev) (phys.luminosity;em.X-ray)

blogL210kev

[10-7W]

⁽ⁿ⁾ [43.4/46.3] Rest-frame 2-10 keV luminosity lower limit (logL_210kevlolim) (phys.luminosity;em.X-ray)

BlogL210kev

[10-7W]

⁽ⁿ⁾ [42.8/46.2] Rest-frame 2-10 keV luminosity upper limit (logL_210kevuplim) (phys.luminosity;em.X-ray)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

F2500

10-7J/cm2

Rest-frame 2500 Angstrom flux density (f2500) (phot.flux.density)

logL2500

[10-7W]

⁽ⁿ⁾ [28.9/32.2] Rest-frame 2500Å luminosity density (logL_2500) (phys.luminosity)

alphaox

⁽ⁿ⁾ [-2.2/-0.4] Observed alpha_ox (alphaox) (spect.index)

balphaox

⁽ⁿ⁾ [-2.1/-0.5] Observed alpha_ox lower limit (alphaox_lolim) (spect.index)

Balphaox

⁽ⁿ⁾ [-2.4/-0.6] Observed alpha_ox upper limit (alphaox_uplim) (spect.index)

dalphaox

Difference between observed alpha_ox and the expectation from alpha_ox-L2500 relation (this work) (dalpha_ox) (meta.note)

dalphaoxJ07

⁽ⁿ⁾ [-0.5/0.8] Difference between observed alpha_ox and the expectation from alpha_ox-L2500 relation (Just et al., 2007ApJ...665.1004J) (dalpha_oxJ07) (meta.note)

bdalphaox

delta_alphaox lower limit (dalpha_oxlolim) (stat.error)

Bdalphaox

delta_alphaox upper limit (dalpha_oxuplim) (stat.error)

ChipEdge

⁽ⁿ⁾ [0/1] If the Target overlapped with the edge of the Chandra CCD (1 for yes, 0 for no) (CHIP_EDGE) (meta.code)

Obs.Date

"Y:M:D"

⁽ⁿ⁾Date of the Chandra observation, iso-8601 (year) (time.epoch)

⁽ⁿ⁾ [1.0/21.1] Chandra observation cycle (ao) (meta.id;obs)

multobs

⁽ⁿ⁾ [0/1] Observed more than once in Chandra (1 for yes, 0 for no) (multobs) (meta.code)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Plate

⁽ⁿ⁾ [269/8874] SDSS spectroscopic Plate ID (PLATE) (meta.id)

MJD

⁽ⁿ⁾ [51614/57520] SDSS spectroscopic MJD (MJD) (meta.id)

Fiber

⁽ⁿ⁾ [1/999] SDSS spectroscopic Fiber ID (FIBER) (meta.id)

Umag0

mag

⁽ⁿ⁾ [16.2/25.2] Dereddend u-band apparent magnitude from SDSS (U_DERED) (Note 1) (phot.mag)

Gmag0

mag

⁽ⁿ⁾ [16.0/23.0] Dereddend g-band apparent magnitude from SDSS (G_DERED) (Note 1) (phot.mag)

Rmag0

mag

⁽ⁿ⁾ [16.0/23.0] Dereddend r-band apparent magnitude from SDSS (R_DERED) (Note 1) (phot.mag;em.opt.R)

Imag0

mag

⁽ⁿ⁾ [15.8/24.6] Dereddend i-band apparent magnitude from SDSS (I_DERED) (Note 1) (phot.mag;em.opt.I)

Zmag0

mag

⁽ⁿ⁾ [15.6/23.5] Dereddend z-band apparent magnitude from SDSS (Z_DERED) (Note 1) (phot.mag)

SDSSDR

⁽ⁿ⁾ [71.0/142.1] SDSS catalog in which the target was found (SDSS_DR) (meta.id;meta.dataset)

BALFlag

⁽ⁿ⁾ [0/2] Flag for detected broad absorption lines (BAL_FLAG) (Note 2) (meta.code)

FIRSTFlag

⁽ⁿ⁾ [-1/1] Flag indicating if the source was detected in FIRST (FIRST_flag) (Note 3) (meta.code)

Dg-i

mag

⁽ⁿ⁾ [-2.1/0.5] SDSS g-i color relative to the mean (DELTA_GI) (phot.color)

FlagTexp-theta

⁽ⁿ⁾ [0/1] Flag which indicates if the target passed the exposure time – offaxis angle cut (1= passed, 0=did not pass) (Flag_Texptheta) (meta.code.error)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

SNRcont

⁽ⁿ⁾ [-1.0/41.9] Measured signal-to-noise of the line free continuum regions (SNR_cont) (spect.continuum;spect.line)

logf2500

[107J/cm2]

⁽ⁿ⁾ [-29.3/-1.0] logarithm of rest-frame 2500Å flux density measured from the spectrum (logf2500) (phot.flux.density)

CIV-EW

0.1nm

⁽ⁿ⁾ [-1.0/857.2] Rest-frame equivalent width of the CIV broad emission line measured directly from the spectrum (CIV_EW) (spect.line.eqWidth)

e_CIV-EW

0.1nm

⁽ⁿ⁾ [-1.0/160.3] Measurement error of rest-frame equivalent width of the CIV broad emission line measured directly from the spectrum (CIV_EWERR) (stat.error;spect.line.width)

CIV-EW-MOD

0.1nm

⁽ⁿ⁾ [-1.0/960.4] Rest-frame equivalent width of the CIV broad emission line measured from the Gaussian models (CIV_EWMOD) (spect.line.eqWidth)

e_CIV-EW-MOD

0.1nm

⁽ⁿ⁾ [-1.0/165.8] Measurement error of rest-frame equivalent width of the CIV broad emission line measured from the Gaussian models (CIV_EWMOD_ERR) (stat.error)

sigCIV-LINE

km/s

⁽ⁿ⁾ [-1.0/5177.3] Line dispersion of the CIV broad emission line (CIV_LINESIGMA) (phys.veloc.dispersion)

CIV-peak

0.1nm

⁽ⁿ⁾ [-1.0/1569.7] Measured rest-frame peak of the CIV broad emission line (CIV_peak) (phot.flux)

e_CIV-peak

0.1nm

⁽ⁿ⁾ [-1.0/15.6] Uncertainty in the measured rest-frame peak of the CIV broad emission line (CIV_peakERR) (stat.error)

CIV-FWHM

km/s

⁽ⁿ⁾ [-1.0/22740.7] Full Width Half Maximum of the modeled CIV broad emission line (CIV_FWHM) (spect.line.width)

e_CIV-FWHM

km/s

⁽ⁿ⁾ [-1.0/10596.8] Uncertainty in Full Width Half Maximum of the modeled CIV broad emission line (CIV_FWHMERR) (stat.error)

CIV-LINE-SNR

⁽ⁿ⁾ [-1.0/32.9] Median Signal-to-Noise ratio of the CIV broad emission line (CIV_LINESNR) (stat.snr)

CIII-EW

0.1nm

⁽ⁿ⁾ [-999.0/457.5] Rest-frame equivalent width of the CIII broad emission line measured directly from the spectrum (CIII_EW) (spect.line.eqWidth)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_CIII-EW

0.1nm

⁽ⁿ⁾ [-999.0/231.1] Measurement error of rest-frame equivalent width of the CIII broad emission line measured directly from the spectrum (CIII_EWERR) (stat.error;spect.line.width)

CIII-EW-MOD

0.1nm

⁽ⁿ⁾ [-999.0/310.3] Rest-frame equivalent width of the CIII broad emission line measured from the Gaussian models (CIII_EWMOD) (spect.line.eqWidth)

e_CIII-EW-MOD

0.1nm

⁽ⁿ⁾ [-999.0/193.8] Measurement error of rest-frame equivalent width of the CIII broad emission line measured from the Gaussian models (CIII_EWMOD_ERR) (stat.error)

sigCIII-LINE

km/s

⁽ⁿ⁾ [-999.0/6510.0] Line dispersion of the CIII broad emission line (CIII_LINESIGMA) (phys.veloc.dispersion)

CIII-peak

0.1nm

⁽ⁿ⁾ [-999.0/1937.7] Measured rest-frame peak of the CIII broad emission line (CIII_peak) (phot.flux)

e_CIII-peak

0.1nm

⁽ⁿ⁾ [-999.0/20.0] Uncertainty in the measured rest-frame peak of the CIII broad emission line (CIII_peakERR) (stat.error)

CIII-FWHM

km/s

⁽ⁿ⁾ [-999.0/37018.4] Full Width Half Maximum of the modeled CIII broad emission line (CIII_FWHM) (spect.line.width)

e_CIII-FWHM

km/s

⁽ⁿ⁾ [-999.0/8300.5] Uncertainty in Full Width Half Maximum of the modeled CIII broad emission line (CIII_FWHMERR) (stat.error)

CIII-LINE-SNR

⁽ⁿ⁾ [-999.0/37.9] Median Signal-to-Noise ratio of the CIII broad emission line (CIII_LINESNR) (stat.snr)

MgII-EW

0.1nm

⁽ⁿ⁾ [-999.0/9357.6] Rest-frame equivalent width of the MgII broad emission line measured directly from the spectrum (MgII_EW) (spect.line.eqWidth)

e_MgII-EW

0.1nm

⁽ⁿ⁾ [-999.0/293.5] Measurement error of rest-frame equivalent width of the MgII broad emission line measured directly from the spectrum (MgII_EWERR) (stat.error;spect.line.width)

MgII-EWMOD

0.1nm

⁽ⁿ⁾ [-999.0/617.3] Rest-frame equivalent width of the MgII broad emission line measured from the Gaussian models (MgII_EWMOD) (spect.line.eqWidth)

e_MgII-EWMOD

0.1nm

⁽ⁿ⁾ [-999.0/140.6] Measurement error of rest-frame equivalent width of the MgII broad emission line measured from the Gaussian models (MgII_EWMOD_ERR) (stat.error)

sigMgII-LINE

km/s

⁽ⁿ⁾ [-999.0/5950.5] Line dispersion of the MgII broad emission line (MgII_LINESIGMA) (phys.veloc.dispersion)

MgII-peak

0.1nm

⁽ⁿ⁾ [-999.0/2804.0] Measured rest-frame peak of the MgII broad emission line (MgII_peak) (phot.flux)

e_MgII-peak

0.1nm

⁽ⁿ⁾ []? Uncertainty in the measured rest-frame peak of the MgII broad emission line (MgII_peakERR) (stat.error)

MgII-FWHM

km/s

⁽ⁿ⁾ [-999.0/35258.4] Full Width Half Maximum of the modeled MgII broad emission line (MgII_FWHM) (spect.line.width)

e_MgII-FWHM

km/s

⁽ⁿ⁾ [-999.0/11485.6] Uncertainty in Full Width Half Maximum of the modeled MgII broad emission line (MgII_FWHMERR) (stat.error)

MgII-LINE-SNR

⁽ⁿ⁾ [-999.0/30.3] Median Signal-to-Noise ratio of the MgII broad emission line (MgII_LINESNR) (stat.snr)

⁽ⁿ⁾ [0.1/270.6] Radio loudness parameter, F_6cm/F_2500Å (R_6CM2500A) (phot.flux;arith.ratio)

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

spectrum

SimbadName

(char)

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

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

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