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Date and Time of the Query: 2019-03-24 T01:04:58 PDT
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Diameter data point(s) for object SDSS J024600.31-073416.8

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)
2004SDSS2.C...0000:
65.21 (a) arcsec 23.03 arcsec ... ... ... ... 84.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 130.42 ... 0.35 0.65 0.78 69 84
[J2000]
2 r (SDSS Petrosian)
2004SDSS2.C...0000:
11.41 (a) arcsec ... ... ... 5.72 ... ... ... ... 4.77E+14 22.83 11.44 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.741 (b/a) 0.27 ... ... 121.1
[J2000]
... 4.77E+14 23.51 0.53 0.74 0.26 0.29 42 121
[J2000]
4 r (SDSS Exponential)
2004SDSS2.C...0000:
23.50 (a) arcsec ... ... 0.133 (b/a) 1.37 ... ... 125.9
[J2000]
... 4.77E+14 47.00 2.74 0.13 0.87 0.97 82 126
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2004SDSS2.C...0000:
Published Object Name         : SDSS J024600.31-073416.8      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 65.21      arcsec               2a = 130.42 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =   23.03    arcsec               2b = 46.06 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.35
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.65
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.78
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 69 deg
Position Angle [Equinox]      :   84.1 deg [J2000]                  84 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          : 41.5012970      -7.5713353    (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J024600.31-073416.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 11.41 arcsec 2a = 22.83 arcsec Uncertainty : 5.72 arcsec 11.44 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 : 41.5012970 -7.5713353 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J024600.31-073416.8 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.51 arcsec Uncertainty : 0.27 arcsec 0.53 arcsec Minor Axis (2b) : ... 2b = 17.42 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.741 b/a = 0.74 Uncertainty : 0.014 0.01 Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 121.1 deg [J2000] 121 deg [J2000] Uncertainty : 0.0 0 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 : 41.5012970 -7.5713353 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J024600.31-073416.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 23.50 arcsec 2a = 47.00 arcsec Uncertainty : 1.37 arcsec 2.74 arcsec Minor Axis (2b) : ... 2b = 6.25 arcsec Uncertainty : ... 0.02 Axis Ratio : b/a = 0.133 b/a = 0.13 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.87 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.97 Uncertainty : ... ... Cos-1(b/a) : ... 82 deg Position Angle [Equinox] : 125.9 deg [J2000] 126 deg [J2000] Uncertainty : 0.0 0 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 : 41.5012970 -7.5713353 (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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