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Date and Time of the Query: 2019-04-25 T01:55:57 PDT
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Diameter data point(s) for object 2MASX J08203404+2107363

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.......:
6.0 (a) arcsec ... ... 0.860 (b/a) ... ... ... 75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 12.00 ... 0.86 0.14 0.15 31 75
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
12.8 (a) arcsec ... ... 0.860 (b/a) ... ... ... 75
[J2000]
Diameter for "total" magnitude 1.38E+14 25.60 ... 0.86 0.14 0.15 31 75
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
12.67 (a) arcsec 8.16 arcsec ... ... ... ... 98.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 25.34 ... 0.64 0.36 0.41 50 98
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
1.80 (a) arcsec ... ... ... 0.09 ... ... ... ... 4.77E+14 3.60 0.18 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
0.95 (a) arcsec ... ... 0.641 (b/a) 0.01 ... ... 86.7
[J2000]
... 4.77E+14 1.91 0.03 0.64 0.36 0.42 50 87
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
0.71 (a) arcsec ... ... 0.624 (b/a) 0.00 ... ... 85.5
[J2000]
... 4.77E+14 1.42 0.01 0.62 0.38 0.44 51 86
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
12.67 (a) arcsec 8.16 arcsec ... ... ... ... 98.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 25.34 ... 0.64 0.36 0.41 50 98
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.80 (a) arcsec ... ... ... 0.089 ... ... ... ... 4.77E+14 3.60 0.18 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.9542 (a) arcsec ... ... 0.641 (b/a) 0.014 ... ... 86.7
[J2000]
... 4.77E+14 1.91 0.03 0.64 0.36 0.42 50 87
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
0.7096 (a) arcsec ... ... 0.624 (b/a) 0.004 ... ... 85.5
[J2000]
... 4.77E+14 1.42 0.01 0.62 0.38 0.44 51 86
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J08203404+2107363       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 6.0        arcsec               2a = 12.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 10.32 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.860                         b/a = 0.86
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.14
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.15
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 31 deg
Position Angle [Equinox]      :   75   deg [J2000]                  75 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          : 125.141800      21.126778    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J08203404+2107363 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 12.8 arcsec 2a = 25.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 22.02 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.860 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 31 deg Position Angle [Equinox] : 75 deg [J2000] 75 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 : 125.141800 21.126778 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 12.67 arcsec 2a = 25.34 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 8.16 arcsec 2b = 16.32 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 98.2 deg [J2000] 98 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 : 125.1417618 21.1267853 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.80 arcsec 2a = 3.60 arcsec Uncertainty : 0.09 arcsec 0.18 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 : 125.1417618 21.1267853 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 0.95 arcsec 2a = 1.91 arcsec Uncertainty : 0.01 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 1.22 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.641 b/a = 0.64 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 86.7 deg [J2000] 87 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 : 125.1417618 21.1267853 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.71 arcsec 2a = 1.42 arcsec Uncertainty : 0.00 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.89 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.624 b/a = 0.62 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.44 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 85.5 deg [J2000] 86 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 : 125.1417618 21.1267853 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 12.67 arcsec 2a = 25.34 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 8.16 arcsec 2b = 16.32 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 98.2 deg [J2000] 98 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 : 125.1417603950 21.1267844223 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.80 arcsec 2a = 3.60 arcsec Uncertainty : 0.089 arcsec 0.18 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 : 125.1417603950 21.1267844223 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.9542 arcsec 2a = 1.91 arcsec Uncertainty : 0.014 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 1.22 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.641 b/a = 0.64 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 86.7 deg [J2000] 87 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 : 125.1417603950 21.1267844223 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J082034.02+210736.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.7096 arcsec 2a = 1.42 arcsec Uncertainty : 0.004 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.89 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.624 b/a = 0.62 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.44 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 85.5 deg [J2000] 86 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 : 125.1417603950 21.1267844223 (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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