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Date and Time of the Query: 2019-04-25 T03:00:56 PDT
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Diameter data point(s) for object 2MASS J12204928+1120495

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:
7.55 (a) arcsec 6.60 arcsec ... ... ... ... 11.8
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 15.10 ... 0.87 0.13 0.13 29 12
[J2000]
2 r (SDSS Petrosian)
2005SDSS4.C...0000:
2.13 (a) arcsec ... ... ... 0.04 ... ... ... ... 4.77E+14 4.25 0.08 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
1.34 (a) arcsec ... ... 0.926 (b/a) 0.03 ... ... 162.3
[J2000]
... 4.77E+14 2.68 0.06 0.93 0.07 0.08 22 162
[J2000]
4 r (SDSS Exponential)
2005SDSS4.C...0000:
0.76 (a) arcsec ... ... 0.918 (b/a) 0.01 ... ... 159.9
[J2000]
... 4.77E+14 1.53 0.02 0.92 0.08 0.09 23 160
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
7.55 (a) arcsec 6.60 arcsec ... ... ... ... 11.8
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 15.10 ... 0.87 0.13 0.13 29 12
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.13 (a) arcsec ... ... ... 0.041 ... ... ... ... 4.77E+14 4.25 0.08 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
1.3401 (a) arcsec ... ... 0.926 (b/a) 0.032 ... ... 162.3
[J2000]
... 4.77E+14 2.68 0.06 0.93 0.07 0.08 22 162
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
0.7626 (a) arcsec ... ... 0.918 (b/a) 0.011 ... ... 159.9
[J2000]
... 4.77E+14 1.52 0.02 0.92 0.08 0.09 23 160
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2005SDSS4.C...0000:
Published Object Name         : SDSS J122049.28+112049.5      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 7.55       arcsec               2a = 15.10 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    6.60    arcsec               2b = 13.20 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.87
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.13
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.13
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 29 deg
Position Angle [Equinox]      :   11.8 deg [J2000]                  12 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          : 185.2053223     11.3470793    (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 J122049.28+112049.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.13 arcsec 2a = 4.25 arcsec Uncertainty : 0.04 arcsec 0.08 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 : 185.2053223 11.3470793 (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 J122049.28+112049.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 1.34 arcsec 2a = 2.68 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 2.48 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.926 b/a = 0.93 Uncertainty : 0.023 0.02 Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 22 deg Position Angle [Equinox] : 162.3 deg [J2000] 162 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 : 185.2053223 11.3470793 (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 J122049.28+112049.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.76 arcsec 2a = 1.53 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.40 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.918 b/a = 0.92 Uncertainty : 0.018 0.02 Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 23 deg Position Angle [Equinox] : 159.9 deg [J2000] 160 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 : 185.2053223 11.3470793 (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 J122049.27+112049.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 7.55 arcsec 2a = 15.10 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 6.60 arcsec 2b = 13.20 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.87 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.13 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 29 deg Position Angle [Equinox] : 11.8 deg [J2000] 12 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 : 185.2053311187 11.3470787331 (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 J122049.27+112049.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.13 arcsec 2a = 4.25 arcsec Uncertainty : 0.041 arcsec 0.08 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 : 185.2053311187 11.3470787331 (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 J122049.27+112049.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 1.3401 arcsec 2a = 2.68 arcsec Uncertainty : 0.032 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 2.48 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.926 b/a = 0.93 Uncertainty : 0.023 0.02 Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 22 deg Position Angle [Equinox] : 162.3 deg [J2000] 162 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 : 185.2053311187 11.3470787331 (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 J122049.27+112049.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.7626 arcsec 2a = 1.52 arcsec Uncertainty : 0.011 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.40 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.918 b/a = 0.92 Uncertainty : 0.018 0.02 Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 23 deg Position Angle [Equinox] : 159.9 deg [J2000] 160 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 : 185.2053311187 11.3470787331 (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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