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Date and Time of the Query: 2019-07-17 T19:13:32 PDT
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Diameter data point(s) for object SDSS J235857.36+154550.7

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:
5.85 (a) arcsec 2.06 arcsec ... ... ... ... 88.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 11.70 ... 0.35 0.65 0.78 69 89
[J2000]
2 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.17 (a) arcsec ... ... ... 0.187 ... ... ... ... 4.77E+14 2.34 0.37 ... ... ... ... ...
3 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.4453 (a) arcsec ... ... 0.375 (b/a) 0.030 ... ... 90.5
[J2000]
... 4.77E+14 0.89 0.06 0.38 0.62 0.75 68 91
[J2000]
4 r (SDSS Exponential)
2007SDSS6.C...0000:
0.3129 (a) arcsec ... ... 0.502 (b/a) 0.013 ... ... 91.9
[J2000]
... 4.77E+14 0.63 0.03 0.50 0.50 0.60 60 92
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J235857.36+154550.7      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 5.85       arcsec               2a = 11.70 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =       2.06 arcsec               2b = 4.12 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]      :   88.7 deg [J2000]                  89 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          : 359.7390027586  15.7641076478    (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 J235857.36+154550.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.17 arcsec 2a = 2.34 arcsec Uncertainty : 0.187 arcsec 0.37 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 : 359.7390027586 15.7641076478 (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 J235857.36+154550.7 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.4453 arcsec 2a = 0.89 arcsec Uncertainty : 0.030 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 0.33 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.375 b/a = 0.38 Uncertainty : 0.040 0.04 Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 90.5 deg [J2000] 91 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 : 359.7390027586 15.7641076478 (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 J235857.36+154550.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.3129 arcsec 2a = 0.63 arcsec Uncertainty : 0.013 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 0.31 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.502 b/a = 0.50 Uncertainty : 0.040 0.04 Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 91.9 deg [J2000] 92 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 : 359.7390027586 15.7641076478 (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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