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Date and Time of the Query: 2019-06-26 T15:40:38 PDT
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Diameter data point(s) for object IC 4282

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)
2005SDSS4.C...0000:
10.25 (a) arcsec 9.44 arcsec ... ... ... ... 165.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 20.49 ... 0.92 0.08 0.08 23 166
[J2000]
2 r (SDSS Petrosian)
2005SDSS4.C...0000:
4.53 (a) arcsec ... ... ... 0.11 ... ... ... ... 4.77E+14 9.07 0.21 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
6.40 (a) arcsec ... ... 0.847 (b/a) 0.30 ... ... 153.8
[J2000]
... 4.77E+14 12.80 0.61 0.85 0.15 0.16 32 154
[J2000]
4 r (SDSS Exponential)
2005SDSS4.C...0000:
2.30 (a) arcsec ... ... 0.864 (b/a) 0.06 ... ... 161.4
[J2000]
... 4.77E+14 4.61 0.12 0.86 0.14 0.15 30 161
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
10.25 (a) arcsec 9.44 arcsec ... ... ... ... 165.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 20.49 ... 0.92 0.08 0.08 23 166
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
4.53 (a) arcsec ... ... ... 0.107 ... ... ... ... 4.77E+14 9.07 0.21 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
6.4016 (a) arcsec ... ... 0.847 (b/a) 0.303 ... ... 153.8
[J2000]
... 4.77E+14 12.80 0.60 0.85 0.15 0.16 32 154
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
2.3027 (a) arcsec ... ... 0.864 (b/a) 0.061 ... ... 161.4
[J2000]
... 4.77E+14 4.61 0.12 0.86 0.14 0.15 30 161
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2005SDSS4.C...0000:
Published Object Name         : SDSS J133119.77+471101.9      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 10.25      arcsec               2a = 20.49 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    9.44    arcsec               2b = 18.87 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.92
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.08
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.08
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 23 deg
Position Angle [Equinox]      :  165.7 deg [J2000]                  166 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          : 202.8323669     47.1838531    (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J133119.77+471101.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.53 arcsec 2a = 9.07 arcsec Uncertainty : 0.11 arcsec 0.21 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 : 202.8323669 47.1838531 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J133119.77+471101.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 6.40 arcsec 2a = 12.80 arcsec Uncertainty : 0.30 arcsec 0.61 arcsec Minor Axis (2b) : ... 2b = 10.84 arcsec Uncertainty : ... 0.02 Axis Ratio : b/a = 0.847 b/a = 0.85 Uncertainty : 0.038 0.04 Ellipticity : ... 1 - b/a = 0.15 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.16 Uncertainty : ... ... Cos-1(b/a) : ... 32 deg Position Angle [Equinox] : 153.8 deg [J2000] 154 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 : 202.8323669 47.1838531 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J133119.77+471101.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.30 arcsec 2a = 4.61 arcsec Uncertainty : 0.06 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 3.98 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.864 b/a = 0.86 Uncertainty : 0.030 0.03 Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 161.4 deg [J2000] 161 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 : 202.8323669 47.1838531 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J133119.76+471101.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 10.25 arcsec 2a = 20.49 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 9.44 arcsec 2b = 18.87 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.92 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 23 deg Position Angle [Equinox] : 165.7 deg [J2000] 166 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 : 202.8323742446 47.1838525164 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J133119.76+471101.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.53 arcsec 2a = 9.07 arcsec Uncertainty : 0.107 arcsec 0.21 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 : 202.8323742446 47.1838525164 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J133119.76+471101.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 6.4016 arcsec 2a = 12.80 arcsec Uncertainty : 0.303 arcsec 0.60 arcsec Minor Axis (2b) : ... 2b = 10.84 arcsec Uncertainty : ... 0.02 Axis Ratio : b/a = 0.847 b/a = 0.85 Uncertainty : 0.038 0.04 Ellipticity : ... 1 - b/a = 0.15 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.16 Uncertainty : ... ... Cos-1(b/a) : ... 32 deg Position Angle [Equinox] : 153.8 deg [J2000] 154 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 : 202.8323742446 47.1838525164 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J133119.76+471101.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.3027 arcsec 2a = 4.61 arcsec Uncertainty : 0.061 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 3.98 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.864 b/a = 0.86 Uncertainty : 0.030 0.03 Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 161.4 deg [J2000] 161 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 : 202.8323742446 47.1838525164 (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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