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Date and Time of the Query: 2019-07-18 T13:51:54 PDT
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Diameter data point(s) for object SDSS J132154.82+283643.5

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:
1.02 (a) arcsec 0.56 arcsec ... ... ... ... 1.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 2.04 ... 0.54 0.46 0.54 57 2
[J2000]
2 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.18 (a) arcsec ... ... ... ... ... ... ... ... 4.77E+14 2.35 ... ... ... ... ... ...
3 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.9759 (a) arcsec ... ... 0.378 (b/a) 1.655 ... ... 78.9
[J2000]
... 4.77E+14 1.95 3.31 0.38 0.62 0.75 68 79
[J2000]
4 r (SDSS Exponential)
2007SDSS6.C...0000:
0.2534 (a) arcsec ... ... 0.061 (b/a) 0.261 ... ... 167.3
[J2000]
... 4.77E+14 0.51 0.52 0.06 0.94 0.99 87 167
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J132154.82+283643.5      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 1.02       arcsec               2a = 2.04 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =       0.56 arcsec               2b = 1.12 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.54
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.46
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.54
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 57 deg
Position Angle [Equinox]      :    1.6 deg [J2000]                  2 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          : 200.4784498607  28.6120988295    (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 J132154.82+283643.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.18 arcsec 2a = 2.35 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 : 200.4784498607 28.6120988295 (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 J132154.82+283643.5 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.9759 arcsec 2a = 1.95 arcsec Uncertainty : 1.655 arcsec 3.31 arcsec Minor Axis (2b) : ... 2b = 0.74 arcsec Uncertainty : ... 2.36 Axis Ratio : b/a = 0.378 b/a = 0.38 Uncertainty : 0.713 0.71 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] : 78.9 deg [J2000] 79 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 : 200.4784498607 28.6120988295 (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 J132154.82+283643.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.2534 arcsec 2a = 0.51 arcsec Uncertainty : 0.261 arcsec 0.52 arcsec Minor Axis (2b) : ... 2b = 0.03 arcsec Uncertainty : ... 6.65 Axis Ratio : b/a = 0.061 b/a = 0.06 Uncertainty : 12.736 12.74 Ellipticity : ... 1 - b/a = 0.94 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.99 Uncertainty : ... ... Cos-1(b/a) : ... 87 deg Position Angle [Equinox] : 167.3 deg [J2000] 167 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 : 200.4784498607 28.6120988295 (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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