NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2022-01-23 T06:45:57 PST
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Diameter data point(s) for object 2MASS J10183763-4616527

Diameter Data --- Published and Homogenized (arcsec) Units

  Published UnitsHomogenized Units
No.Observed Passband
REFCODE
Major Axis
(2a)
Major Axis UnitsMinor Axis
(2b)
Minor Axis UnitsAxis Ratio (b/a)Major Axis Unc.Ellipticity
(1 - b/a)
Eccentricity
[(a/b)2-1]/
[(a/b)2+1]
Position Angle
(deg)
[published]
Reference LevelFrequency (Hz)Major Axis
(2a)
(arcsec)
Major Axis Unc.Axis Ratio (b/a)Ellipticity
(1 - b/a)
Eccentricity
[(a/b)2-1]/
[(a/b)2+1]
cos-1(b/a)
(deg)
Position Angle
(deg)
[J2000]
1 0.5-7 keV Chandra
2020CSC...C2..0000:
11.9918560 arcsec 11.9918560 arcsec ... 3.18553904 ... ... 0.0
[J2000]
extent deconvolved with PSF 5.56E+17 11.99 3.19 11.99 -10.99 0.99 0 0
[J2000]
2 0.5-1.2 keV Chandra
2020CSC...C2..0000:
61.0244892 arcsec 61.0244892 arcsec ... 8.12564243 ... ... 0.0
[J2000]
extent deconvolved with PSF 2.22E+17 61.02 8.13 61.02 -60.02 1.00 0 0
[J2000]
3 1.2-2 keV Chandra
2020CSC...C2..0000:
11.4892501 arcsec 11.4892501 arcsec ... 3.50458785 ... ... 0.0
[J2000]
extent deconvolved with PSF 3.77E+17 11.49 3.50 11.49 -10.49 0.98 0 0
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2020CSC...C2..0000:
Published Object Name         :                               
Frequency Targeted            : 0.5-7 keV Chandra             
Major Axis (2a)               : 11.9918560 arcsec                   2a = 11.99 arcsec
Uncertainty                   : 3.18553904  arcsec                  3.19 arcsec              
Minor Axis (2b)               : 2b = 11.9918560 arcsec              2b = 11.99 arcsec 
Uncertainty                   : 3.18553904                                  3.19
Axis Ratio                    : ...                                 b/a = 11.99
Uncertainty                   : ...                                 3.19
Ellipticity                   : ...                                 1 - b/a = -10.99
Uncertainty                   : ...                                 3.19
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.99
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 0 deg
Position Angle [Equinox]      : 0.0    deg [J2000]                  0 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : 68% confidence
Diameter Reference Level      : extent deconvolved with PSF   
Frequency                     : 2.3          keV                    5.56E+17 Hz
Frequency Mode                : Broad-band detector (e.g. photographic plate)

Measurement Mode               
    Detector Type             : Maps (e.g., 2MASS, VLA, Sloan)
    Fitting Technique         : Deconvolved from beam (Gaussian deconvolution)
    Measured Quantity         : Unspecified in paper
Coordinates Targeted          :
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 2020CSC...C2..0000: Published Object Name : Frequency Targeted : 0.5-1.2 keV Chandra Major Axis (2a) : 61.0244892 arcsec 2a = 61.02 arcsec Uncertainty : 8.12564243 arcsec 8.13 arcsec Minor Axis (2b) : 2b = 61.0244892 arcsec 2b = 61.02 arcsec Uncertainty : 8.12564243 8.13 Axis Ratio : ... b/a = 61.02 Uncertainty : ... 8.13 Ellipticity : ... 1 - b/a = -60.02 Uncertainty : ... 8.13 Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 1.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.0 deg [J2000] 0 deg [J2000] Uncertainty : ... ... Significance : 68% confidence Diameter Reference Level : extent deconvolved with PSF Frequency : 0.92 keV 2.22E+17 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Deconvolved from beam (Gaussian deconvolution) Measured Quantity : Unspecified in paper Coordinates Targeted : Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2020CSC...C2..0000: Published Object Name : Frequency Targeted : 1.2-2 keV Chandra Major Axis (2a) : 11.4892501 arcsec 2a = 11.49 arcsec Uncertainty : 3.50458785 arcsec 3.50 arcsec Minor Axis (2b) : 2b = 11.4892501 arcsec 2b = 11.49 arcsec Uncertainty : 3.50458785 3.50 Axis Ratio : ... b/a = 11.49 Uncertainty : ... 3.50 Ellipticity : ... 1 - b/a = -10.49 Uncertainty : ... 3.50 Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.98 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 0.0 deg [J2000] 0 deg [J2000] Uncertainty : ... ... Significance : 68% confidence Diameter Reference Level : extent deconvolved with PSF Frequency : 1.56 keV 3.77E+17 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Deconvolved from beam (Gaussian deconvolution) Measured Quantity : Unspecified in paper Coordinates Targeted : Qualifiers : From new, raw data NED Comment :

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