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Date and Time of the Query: 2019-02-23 T01:06:45 PST
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Diameter data point(s) for object 2MASX J12204643+1040250

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 K_s (2MASS isophotal)
20032MASX.C.......:
5.7 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 11.40 ... 1.00 0.00 0.00 0 90
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
10.8 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
Diameter for "total" magnitude 1.38E+14 21.60 ... 1.00 0.00 0.00 0 90
[J2000]
3 r (SDSS Isophotal)
2004SDSS3.C...0000:
8.67 (a) arcsec 7.05 arcsec ... ... ... ... 106.9
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 17.34 ... 0.81 0.19 0.20 36 107
[J2000]
4 r (SDSS Petrosian)
2004SDSS3.C...0000:
2.39 (a) arcsec ... ... ... 0.05 ... ... ... ... 4.77E+14 4.77 0.11 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2004SDSS3.C...0000:
2.48 (a) arcsec ... ... 0.904 (b/a) 0.09 ... ... 62.6
[J2000]
... 4.77E+14 4.96 0.18 0.90 0.10 0.10 25 63
[J2000]
6 r (SDSS Exponential)
2004SDSS3.C...0000:
1.11 (a) arcsec ... ... 0.906 (b/a) 0.02 ... ... 49.7
[J2000]
... 4.77E+14 2.23 0.03 0.91 0.09 0.10 25 50
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12204643+1040250       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 5.7        arcsec               2a = 11.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 11.40 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 1.000                         b/a = 1.00
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.00
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.00
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 0 deg
Position Angle [Equinox]      :   90   deg [J2000]                  90 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : 20.0 K-mag arcsec^-2^         
Frequency                     : 2.17         microns                1.38E+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          : 185.193542      10.673615    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12204643+1040250 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 10.8 arcsec 2a = 21.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 21.60 arcsec Uncertainty : ... ... Axis Ratio : b/a = 1.000 b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : 90 deg [J2000] 90 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Diameter for "total" magnitude Frequency : 2.17 microns 1.38E+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 : 185.193542 10.673615 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122046.49+104024.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 8.67 arcsec 2a = 17.34 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 7.05 arcsec 2b = 14.10 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.81 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.19 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.20 Uncertainty : ... ... Cos-1(b/a) : ... 36 deg Position Angle [Equinox] : 106.9 deg [J2000] 107 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 : 185.1936951 10.6735373 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122046.49+104024.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.39 arcsec 2a = 4.77 arcsec Uncertainty : 0.05 arcsec 0.11 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 : 185.1936951 10.6735373 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122046.49+104024.7 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.48 arcsec 2a = 4.96 arcsec Uncertainty : 0.09 arcsec 0.18 arcsec Minor Axis (2b) : ... 2b = 4.48 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.904 b/a = 0.90 Uncertainty : 0.025 0.03 Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 25 deg Position Angle [Equinox] : 62.6 deg [J2000] 63 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 : 185.1936951 10.6735373 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 6 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122046.49+104024.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.11 arcsec 2a = 2.23 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 2.02 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.906 b/a = 0.91 Uncertainty : 0.019 0.02 Ellipticity : ... 1 - b/a = 0.09 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 25 deg Position Angle [Equinox] : 49.7 deg [J2000] 50 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 : 185.1936951 10.6735373 (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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