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Date and Time of the Query: 2019-04-24 T03:46:30 PDT
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Diameter data point(s) for object SDSS J122327.72+105505.9

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 Isophotal)
2004SDSS3.C...0000:
10.07 (a) arcsec 5.30 arcsec ... ... ... ... 86.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 20.15 ... 0.53 0.47 0.57 58 86
[J2000]
2 r (SDSS Petrosian)
2004SDSS3.C...0000:
2.76 (a) arcsec ... ... ... 0.13 ... ... ... ... 4.77E+14 5.51 0.26 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2004SDSS3.C...0000:
2.55 (a) arcsec ... ... 0.489 (b/a) 0.07 ... ... 87.2
[J2000]
... 4.77E+14 5.11 0.13 0.49 0.51 0.61 61 87
[J2000]
4 r (SDSS Exponential)
2004SDSS3.C...0000:
1.25 (a) arcsec ... ... 0.529 (b/a) 0.02 ... ... 86.7
[J2000]
... 4.77E+14 2.50 0.05 0.53 0.47 0.56 58 87
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2004SDSS3.C...0000:
Published Object Name         : SDSS J122327.73+105505.9      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 10.07      arcsec               2a = 20.15 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    5.30    arcsec               2b = 10.61 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.53
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.47
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.57
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 58 deg
Position Angle [Equinox]      :   86.2 deg [J2000]                  86 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : 25.0 mag arcsec^-2^           
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         : Isophotal diameter
    Qualifiers                : A radius is given in DIA_MAJ, not a diameter
Coordinates Targeted          : 185.8655243     10.9183111    (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J122327.73+105505.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.76 arcsec 2a = 5.51 arcsec Uncertainty : 0.13 arcsec 0.26 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... 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 : Profile fitting to image Measured Quantity : See comments Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 185.8655243 10.9183111 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122327.73+105505.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.55 arcsec 2a = 5.11 arcsec Uncertainty : 0.07 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 2.50 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.489 b/a = 0.49 Uncertainty : 0.015 0.01 Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 87.2 deg [J2000] 87 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 : 185.8655243 10.9183111 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122327.73+105505.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.25 arcsec 2a = 2.50 arcsec Uncertainty : 0.02 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 1.32 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.529 b/a = 0.53 Uncertainty : 0.013 0.01 Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 86.7 deg [J2000] 87 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 : 185.8655243 10.9183111 (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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