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 Database: EXTRAS_WP2_OPT
   EXTraS Aperiodic X-ray Variability Catalogue (Optimised binning)
Database Index | Basic Search | Advanced Search
 Name Resolver
Name:

 Search Co-ordinates
Co-ords:

Co-ordinate system:
Equatorial Ecliptic Galactic
Equinox: 1950 2000

 Search Type
Cone search, radius: arcmin.
Square search, width: arcmin.
Rectangle search, size: arcmin
 Output Options
 Output coordinates in:
Decimal  Sexagesimal
 Output system:
Equatorial   Ecliptic   Galactic
 Output epoch:
J2000   B1950
 Output format:
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Definition
 
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 EXTNAME 
The name of this table
 EXP_ID 
Exposure Identifier
 TELESCOP 
XMM Mission
 INSTRUME 
Instrument name
 OBSERVER 
Name of observer
 FILTER 
Filter ID
 MJDREF 
[d] 1998-01-01T00:00:00 (TT) expressed in MJD
 HDUCLASS 
Format conforms to OGIP/GSFC conventions
 HDUCLAS1 
File contains a time-series
 TSTART 
Light curve start time
 TSTOP 
Light curve end time
 HDUCLAS2 
File contains bkg subtracted rates
 HDUCLAS3 
Light curve stored as rates
 HDUVERS1 
Version of format
 SLCTEXPR 
Filtering exp
 TIMESYS 
Barycentric Dynamical Time
 TIMEUNIT 
All times in s unless specified otherwise
 TIMEREF 
Spatial origin of time frame
 TASSIGN 
Location of time assignment
 CLOCKAPP 
Clock correction applied
 DSTYP1 
data subspace descriptor: name
 DSUNI1 
data subspace descriptor: units
 DSTYP2 
data subspace descriptor: name
 DSUNI2 
data subspace descriptor: units
 DSTYP3 
data subspace descriptor: name
 DSUNI3 
data subspace descriptor: units
 DSTYP4 
data subspace descriptor: name
 DSTYP5 
data subspace descriptor: name
 DSTYP6 
data subspace descriptor: name
 DSVAL1 
data subspace descriptor: value
 DSFORM2 
data subspace descriptor: data type
 DSVAL2 
data subspace descriptor: value
 DSVAL3 
data subspace descriptor: value
 DSREF3 
data subspace descriptor: reference
 DSFORM4 
data subspace descriptor: data type
 DSVAL4 
data subspace descriptor: value
 DSREF4 
data subspace descriptor: reference
 DSFORM5 
data subspace descriptor: data type
 DSVAL5 
data subspace descriptor: value
 DSVAL6 
data subspace descriptor: value
 2DSVAL1 
data subspace descriptor: value
 3DSVAL1 
data subspace descriptor: value
 4DSVAL1 
data subspace descriptor: value
 5DSVAL1 
data subspace descriptor: value
 6DSVAL1 
data subspace descriptor: value
 7DSVAL1 
data subspace descriptor: value
 2DSVAL2 
data subspace descriptor: value
 3DSVAL2 
data subspace descriptor: value
 4DSVAL2 
data subspace descriptor: value
 5DSVAL2 
data subspace descriptor: value
 6DSVAL2 
data subspace descriptor: value
 7DSVAL2 
data subspace descriptor: value
 8DSVAL2 
data subspace descriptor: value
 9DSVAL2 
data subspace descriptor: value
 10DSVAL2 
data subspace descriptor: value
 11DSVAL2 
data subspace descriptor: value
 12DSVAL2 
data subspace descriptor: value
 MTYPE1 
DM Keyword: Descriptor name
 MFORM1 
 TIMEDEL 
Light curve bin size
 BACKAPP 
Background correction applied?
 DEADAPP 
Dead time correction applied?
 VIGNAPP 
Vignetting correction applied?
 BKGRATIO 
Ratio of BKG to SRC collection areas
 CHANMIN 
Minimum value of the energy column
 CHANMAX 
Maximum value of the energy column
 CHANTYPE 
Name of energy column used
 CONTENT 
Contents of file
 SRCNUM 
EPIC source list number
 SRC_POS 
Source coordinates and extraction region
 SRC_CRA 
Corrected RA of source
 SRC_CDEC 
Corrected DEC of source
 OBJECT 
Name of observed object
 OBS_ID 
Observation Identifier
 DATEOBS 
 EXPIDSTR 
Exposure ID
 EXPOSURE 
Weighted live time of CCDs in the extraction region
 XNBINS 
Number of bins for variability analysis
 XFRACTHR 
FRACEXP threshold for var analysis
 XCORCOEF 
Correlation between source and background
 XFVAR 
Fractional variance
 XEFVAR 
Uncertainty on the fractional variance
 XCODESCR 
Description (constant model)
 XCOCH2TS 
Chi squared TS (constant model)
 XCOCH2PV 
P-value for chi2 (constant model)
 XCOCH2ND 
Degrees of freedom (constant model)
 XCOP1UNI 
Unit param 1 (constant model)
 XCOCH2P1 
Bestfit value param 1 (constant model)
 XCOCH2E1 
Uncertainty param 1 (constant model)
 XLIDESCR 
Description (linear model)
 XLICH2TS 
Chi squared TS (linear model)
 XLICH2PV 
P-value for chi2 (linear model)
 XLICH2ND 
Degrees of freedom (linear model)
 XLIP1UNI 
Unit param 1 (linear model)
 XLICH2P1 
Bestfit value param 1 (linear model)
 XLICH2E1 
Uncertainty param 1 (linear model)
 XLIP2UNI 
Unit param 2 (linear model)
 XLICH2P2 
Bestfit value param 2 (linear model)
 XLICH2E2 
Uncertainty param 2 (linear model)
 XQUDESCR 
Description (quadratic model)
 XQUCH2TS 
Chi squared TS (quadratic model)
 XQUCH2PV 
P-value for chi2 (quadratic model)
 XQUCH2ND 
Degrees of freedom (quadratic model)
 XQUP1UNI 
Unit param 1 (quadratic model)
 XQUCH2P1 
Bestfit value param 1 (quadratic model)
 XQUCH2E1 
Uncertainty param 1 (quadratic model)
 XQUP2UNI 
Unit param 2 (quadratic model)
 XQUCH2P2 
Bestfit value param 2 (quadratic model)
 XQUCH2E2 
Uncertainty param 2 (quadratic model)
 XQUP3UNI 
Unit param 3 (quadratic model)
 XQUCH2P3 
Bestfit value param 2 (quadratic model)
 XQUCH2E3 
Uncertainty param 2 (quadratic model)
 XEXDESCR 
Description (exponential model)
 XEXCH2TS 
Chi squared TS (exponential model)
 XEXCH2PV 
P-value for chi2 (exponential model)
 XEXCH2ND 
Degrees of freedom (exponential model)
 XEXP1UNI 
Unit param 1 (exponential model)
 XEXCH2P1 
Bestfit value param 1 (exponential model)
 XEXCH2E1 
Uncertainty param 1 (exponential model)
 XEXP2UNI 
Unit param 2 (exponential model)
 XEXCH2P2 
Bestfit value param 2 (exponential model)
 XEXCH2E2 
Uncertainty param 2 (exponential model)
 XEXP3UNI 
Unit param 3 (exponential model)
 XEXCH2P3 
Bestfit value param 3 (exponential model)
 XEXCH2E3 
Uncertainty param 3 (exponential model)
 XFLDESCR 
Description (flare model)
 XFLCH2TS 
Chi squared TS (flare model)
 XFLCH2PV 
P-value for chi2 (flare model)
 XFLCH2ND 
Degrees of freedom (flare model)
 XFLP1UNI 
Unit param 1 (flare model)
 XFLCH2P1 
Bestfit value param 1 (flare model)
 XFLCH2E1 
Uncertainty param 1 (flare model)
 XFLP2UNI 
Unit param 2 (flare model)
 XFLCH2P2 
Bestfit value param 2 (flare model)
 XFLCH2E2 
Uncertainty param 2 (flare model)
 XFLP3UNI 
Unit param 3 (flare model)
 XFLCH2P3 
Bestfit value param 3 (flare model)
 XFLCH2E3 
Uncertainty param 3 (flare model)
 XFLP4UNI 
Unit param 4 (flare model)
 XFLCH2P4 
Bestfit value param 4 (flare model)
 XFLCH2E4 
Uncertainty param 4 (flare model)

 Output number of lines:  
If you have any problems, please consult the help page or mail ledas-help@star.le.ac.uk
 
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