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Date and Time of the Query: 2019-08-23 T14:19:41 PDT
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Diameter data point(s) for object SDSS J104020.40+312823.1

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 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.18 (a) arcsec ... ... ... ... ... ... ... ... 4.77E+14 2.35 ... ... ... ... ... ...
2 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.3092 (a) arcsec ... ... 0.350 (b/a) 0.445 ... ... 104.6
[J2000]
... 4.77E+14 0.62 0.89 0.35 0.65 0.78 70 105
[J2000]
3 r (SDSS Exponential)
2007SDSS6.C...0000:
0.2914 (a) arcsec ... ... 0.563 (b/a) 0.140 ... ... 81.8
[J2000]
... 4.77E+14 0.58 0.28 0.56 0.44 0.52 56 82
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J104020.40+312823.1      
Frequency Targeted            : r (SDSS Petrosian)            
Major Axis (2a)               : a = 1.18       arcsec               2a = 2.35 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 ...
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 ...
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 ...
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 ...
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 ...
Position Angle [Equinox]      : ...                                 ...
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : ...
Frequency                     : 6290         A                      4.77E+14 Hz
Frequency Mode                : Broad-band detector (e.g. photographic plate)

Measurement Mode               
    Detector Type             : Maps (e.g., 2MASS, VLA, Sloan)
    Fitting Technique         : Profile fitting to image
    Measured Quantity         : See comments
    Qualifiers                : A radius is given in DIA_MAJ, not a diameter
Coordinates Targeted          : 160.0850324668  31.4730950846    (J2000)
Qualifiers                    : From new, raw data; DIA_MAJ or DIA_MIN modified from
                               published data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J104020.40+312823.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.3092 arcsec 2a = 0.62 arcsec Uncertainty : 0.445 arcsec 0.89 arcsec Minor Axis (2b) : ... 2b = 0.22 arcsec Uncertainty : ... 0.85 Axis Ratio : b/a = 0.350 b/a = 0.35 Uncertainty : 0.957 0.96 Ellipticity : ... 1 - b/a = 0.65 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.78 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 104.6 deg [J2000] 105 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Ellipse fitting to image Measured Quantity : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 160.0850324668 31.4730950846 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 3 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J104020.40+312823.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.2914 arcsec 2a = 0.58 arcsec Uncertainty : 0.140 arcsec 0.28 arcsec Minor Axis (2b) : ... 2b = 0.33 arcsec Uncertainty : ... 0.25 Axis Ratio : b/a = 0.563 b/a = 0.56 Uncertainty : 0.895 0.90 Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 81.8 deg [J2000] 82 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Ellipse fitting to image Measured Quantity : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 160.0850324668 31.4730950846 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

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