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Date and Time of the Query: 2019-04-22 T16:58:57 PDT
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Diameter data point(s) for object 2MASX J08194980+2050151

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.......:
5.3 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 10.60 ... 1.00 0.00 0.00 0 90
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
11.7 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
Diameter for "total" magnitude 1.38E+14 23.40 ... 1.00 0.00 0.00 0 90
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
8.85 (a) arcsec 6.61 arcsec ... ... ... ... 85.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 17.71 ... 0.75 0.25 0.28 42 85
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
2.92 (a) arcsec ... ... ... 0.06 ... ... ... ... 4.77E+14 5.85 0.13 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
3.57 (a) arcsec ... ... 0.755 (b/a) 0.13 ... ... 88.4
[J2000]
... 4.77E+14 7.14 0.26 0.76 0.24 0.27 41 88
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
1.49 (a) arcsec ... ... 0.784 (b/a) 0.03 ... ... 83.3
[J2000]
... 4.77E+14 2.98 0.05 0.78 0.22 0.24 38 83
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
8.85 (a) arcsec 6.61 arcsec ... ... ... ... 85.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 17.71 ... 0.75 0.25 0.28 42 85
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.92 (a) arcsec ... ... ... 0.065 ... ... ... ... 4.77E+14 5.85 0.13 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
3.5723 (a) arcsec ... ... 0.755 (b/a) 0.131 ... ... 88.4
[J2000]
... 4.77E+14 7.14 0.26 0.76 0.24 0.27 41 88
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.4920 (a) arcsec ... ... 0.784 (b/a) 0.027 ... ... 83.3
[J2000]
... 4.77E+14 2.98 0.06 0.78 0.22 0.24 38 83
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J08194980+2050151       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 5.3        arcsec               2a = 10.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 10.60 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      : 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          : 124.957504      20.837629    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J08194980+2050151 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 11.7 arcsec 2a = 23.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 23.40 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 : 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 : 124.957504 20.837629 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J081949.82+205015.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 8.85 arcsec 2a = 17.71 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 6.61 arcsec 2b = 13.23 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.75 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.25 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.28 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 85.0 deg [J2000] 85 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 : 124.9575729 20.8376312 (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 J081949.82+205015.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.92 arcsec 2a = 5.85 arcsec Uncertainty : 0.06 arcsec 0.13 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 : 124.9575729 20.8376312 (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 J081949.82+205015.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 3.57 arcsec 2a = 7.14 arcsec Uncertainty : 0.13 arcsec 0.26 arcsec Minor Axis (2b) : ... 2b = 5.39 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.755 b/a = 0.76 Uncertainty : 0.024 0.02 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] : 88.4 deg [J2000] 88 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 : 124.9575729 20.8376312 (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 J081949.82+205015.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.49 arcsec 2a = 2.98 arcsec Uncertainty : 0.03 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 2.34 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.784 b/a = 0.78 Uncertainty : 0.019 0.02 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 38 deg Position Angle [Equinox] : 83.3 deg [J2000] 83 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 : 124.9575729 20.8376312 (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 J081949.81+205015.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 8.85 arcsec 2a = 17.71 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 6.61 arcsec 2b = 13.23 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.75 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.25 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.28 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 85.0 deg [J2000] 85 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 : 124.9575786769 20.8376313800 (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 J081949.81+205015.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.92 arcsec 2a = 5.85 arcsec Uncertainty : 0.065 arcsec 0.13 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 : 124.9575786769 20.8376313800 (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 J081949.81+205015.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 3.5723 arcsec 2a = 7.14 arcsec Uncertainty : 0.131 arcsec 0.26 arcsec Minor Axis (2b) : ... 2b = 5.39 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.755 b/a = 0.76 Uncertainty : 0.024 0.02 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] : 88.4 deg [J2000] 88 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 : 124.9575786769 20.8376313800 (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 J081949.81+205015.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.4920 arcsec 2a = 2.98 arcsec Uncertainty : 0.027 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 2.34 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.784 b/a = 0.78 Uncertainty : 0.019 0.02 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 38 deg Position Angle [Equinox] : 83.3 deg [J2000] 83 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 : 124.9575786769 20.8376313800 (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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