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Date and Time of the Query: 2019-07-22 T12:24:54 PDT
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Diameter data point(s) for object SDSS J002400.78+154603.8

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)
2007SDSS6.C...0000:
34.20 (a) arcsec 14.58 arcsec ... ... ... ... 16.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 68.40 ... 0.43 0.57 0.69 65 17
[J2000]
2 r (SDSS Petrosian)
2007SDSS6.C...0000:
17.34 (a) arcsec ... ... ... ... ... ... ... ... 4.77E+14 34.67 ... ... ... ... ... ...
3 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7497 (a) arcsec ... ... 0.712 (b/a) 0.636 ... ... 19.9
[J2000]
... 4.77E+14 23.50 1.27 0.71 0.29 0.33 45 20
[J2000]
4 r (SDSS Exponential)
2007SDSS6.C...0000:
9.7609 (a) arcsec ... ... 0.479 (b/a) 0.252 ... ... 22.3
[J2000]
... 4.77E+14 19.52 0.50 0.48 0.52 0.63 61 22
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J002400.78+154603.8      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 34.20      arcsec               2a = 68.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =      14.58 arcsec               2b = 29.16 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.43
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.57
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.69
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 65 deg
Position Angle [Equinox]      :   16.7 deg [J2000]                  17 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          : 6.0032901855    15.7677367815    (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 J002400.78+154603.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 17.34 arcsec 2a = 34.67 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 : 6.0032901855 15.7677367815 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J002400.78+154603.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7497 arcsec 2a = 23.50 arcsec Uncertainty : 0.636 arcsec 1.27 arcsec Minor Axis (2b) : ... 2b = 16.73 arcsec Uncertainty : ... 0.04 Axis Ratio : b/a = 0.712 b/a = 0.71 Uncertainty : 0.030 0.03 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.33 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 19.9 deg [J2000] 20 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 : 6.0032901855 15.7677367815 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J002400.78+154603.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 9.7609 arcsec 2a = 19.52 arcsec Uncertainty : 0.252 arcsec 0.50 arcsec Minor Axis (2b) : ... 2b = 9.35 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.479 b/a = 0.48 Uncertainty : 0.016 0.02 Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.63 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 22.3 deg [J2000] 22 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 : 6.0032901855 15.7677367815 (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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