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Date and Time of the Query: 2019-04-20 T22:18:12 PDT
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Diameter data point(s) for object 2MASX J08210701+2110164

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.......:
7.6 (a) arcsec ... ... 0.760 (b/a) ... ... ... 35
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 15.20 ... 0.76 0.24 0.27 41 35
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
9.8 (a) arcsec ... ... 0.760 (b/a) ... ... ... 35
[J2000]
Diameter for "total" magnitude 1.38E+14 19.60 ... 0.76 0.24 0.27 41 35
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
13.99 (a) arcsec 12.68 arcsec ... ... ... ... 135.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 27.98 ... 0.91 0.09 0.10 25 136
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
4.63 (a) arcsec ... ... ... 0.04 ... ... ... ... 4.77E+14 9.25 0.08 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
4.88 (a) arcsec ... ... 0.735 (b/a) 0.07 ... ... 40.5
[J2000]
... 4.77E+14 9.76 0.14 0.73 0.27 0.30 43 41
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
2.23 (a) arcsec ... ... 0.711 (b/a) 0.02 ... ... 40.7
[J2000]
... 4.77E+14 4.45 0.04 0.71 0.29 0.33 45 41
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
13.99 (a) arcsec 12.68 arcsec ... ... ... ... 135.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 27.98 ... 0.91 0.09 0.10 25 136
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
4.63 (a) arcsec ... ... ... 0.042 ... ... ... ... 4.77E+14 9.25 0.08 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.8801 (a) arcsec ... ... 0.735 (b/a) 0.072 ... ... 40.5
[J2000]
... 4.77E+14 9.76 0.14 0.73 0.27 0.30 43 41
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
2.2263 (a) arcsec ... ... 0.711 (b/a) 0.020 ... ... 40.7
[J2000]
... 4.77E+14 4.45 0.04 0.71 0.29 0.33 45 41
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J08210701+2110164       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 7.6        arcsec               2a = 15.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 11.55 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.760                         b/a = 0.76
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.24
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.27
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 41 deg
Position Angle [Equinox]      :   35   deg [J2000]                  35 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          : 125.279205      21.171291    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J08210701+2110164 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 9.8 arcsec 2a = 19.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 14.90 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.760 b/a = 0.76 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : 35 deg [J2000] 35 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 : 125.279205 21.171291 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J082107.02+211016.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 13.99 arcsec 2a = 27.98 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 12.68 arcsec 2b = 25.36 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.91 Uncertainty : ... ... 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] : 135.7 deg [J2000] 136 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 : 125.2792358 21.1713371 (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 J082107.02+211016.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.63 arcsec 2a = 9.25 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 : 125.2792358 21.1713371 (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 J082107.02+211016.8 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 4.88 arcsec 2a = 9.76 arcsec Uncertainty : 0.07 arcsec 0.14 arcsec Minor Axis (2b) : ... 2b = 7.17 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.735 b/a = 0.73 Uncertainty : 0.011 0.01 Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 40.5 deg [J2000] 41 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 : 125.2792358 21.1713371 (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 J082107.02+211016.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.23 arcsec 2a = 4.45 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 3.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.711 b/a = 0.71 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.33 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 40.7 deg [J2000] 41 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 : 125.2792358 21.1713371 (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 J082107.01+211016.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 13.99 arcsec 2a = 27.98 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 12.68 arcsec 2b = 25.36 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.91 Uncertainty : ... ... 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] : 135.7 deg [J2000] 136 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 : 125.2792387012 21.1713363880 (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 J082107.01+211016.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.63 arcsec 2a = 9.25 arcsec Uncertainty : 0.042 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 : 125.2792387012 21.1713363880 (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 J082107.01+211016.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.8801 arcsec 2a = 9.76 arcsec Uncertainty : 0.072 arcsec 0.14 arcsec Minor Axis (2b) : ... 2b = 7.17 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.735 b/a = 0.73 Uncertainty : 0.011 0.01 Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 40.5 deg [J2000] 41 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 : 125.2792387012 21.1713363880 (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 J082107.01+211016.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.2263 arcsec 2a = 4.45 arcsec Uncertainty : 0.020 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 3.17 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.711 b/a = 0.71 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.33 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 40.7 deg [J2000] 41 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 : 125.2792387012 21.1713363880 (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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