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Date and Time of the Query: 2019-05-22 T20:05:58 PDT
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Diameter data point(s) for object 2MASX J15204772+3027189

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.......:
8.1 (a) arcsec ... ... 0.960 (b/a) ... ... ... 85
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 16.20 ... 0.96 0.04 0.04 16 85
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
18.2 (a) arcsec ... ... 0.960 (b/a) ... ... ... 85
[J2000]
Diameter for "total" magnitude 1.38E+14 36.50 ... 0.96 0.04 0.04 16 85
[J2000]
3 r (SDSS Isophotal)
2005SDSS4.C...0000:
13.91 (a) arcsec 13.08 arcsec ... ... ... ... 113.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 27.82 ... 0.94 0.06 0.06 20 113
[J2000]
4 r (SDSS Petrosian)
2005SDSS4.C...0000:
3.92 (a) arcsec ... ... ... 0.05 ... ... ... ... 4.77E+14 7.83 0.09 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
3.17 (a) arcsec ... ... 0.964 (b/a) 0.03 ... ... 156.3
[J2000]
... 4.77E+14 6.35 0.07 0.96 0.04 0.04 15 156
[J2000]
6 r (SDSS Exponential)
2005SDSS4.C...0000:
1.50 (a) arcsec ... ... 0.945 (b/a) 0.01 ... ... 159.2
[J2000]
... 4.77E+14 2.99 0.02 0.94 0.06 0.06 19 159
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
13.91 (a) arcsec 13.08 arcsec ... ... ... ... 113.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 27.82 ... 0.94 0.06 0.06 20 113
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
3.92 (a) arcsec ... ... ... 0.047 ... ... ... ... 4.77E+14 7.83 0.10 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
3.1731 (a) arcsec ... ... 0.964 (b/a) 0.034 ... ... 156.3
[J2000]
... 4.77E+14 6.35 0.07 0.96 0.04 0.04 15 156
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.4972 (a) arcsec ... ... 0.945 (b/a) 0.010 ... ... 159.2
[J2000]
... 4.77E+14 2.99 0.02 0.94 0.06 0.06 19 159
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J15204772+3027189       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 8.1        arcsec               2a = 16.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 15.55 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.960                         b/a = 0.96
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.04
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.04
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 16 deg
Position Angle [Equinox]      :   85   deg [J2000]                  85 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          : 230.198853      30.455305    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15204772+3027189 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 18.2 arcsec 2a = 36.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 35.04 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.960 b/a = 0.96 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 16 deg Position Angle [Equinox] : 85 deg [J2000] 85 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 : 230.198853 30.455305 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J152047.71+302719.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 13.91 arcsec 2a = 27.82 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 13.08 arcsec 2b = 26.16 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 20 deg Position Angle [Equinox] : 113.4 deg [J2000] 113 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 : 230.1988068 30.4553642 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152047.71+302719.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.92 arcsec 2a = 7.83 arcsec Uncertainty : 0.05 arcsec 0.09 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 : 230.1988068 30.4553642 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152047.71+302719.3 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 3.17 arcsec 2a = 6.35 arcsec Uncertainty : 0.03 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 6.12 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.964 b/a = 0.96 Uncertainty : 0.010 0.01 Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 156.3 deg [J2000] 156 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 : 230.1988068 30.4553642 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152047.71+302719.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.50 arcsec 2a = 2.99 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.83 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.945 b/a = 0.94 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 19 deg Position Angle [Equinox] : 159.2 deg [J2000] 159 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 : 230.1988068 30.4553642 (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 J152047.71+302719.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 13.91 arcsec 2a = 27.82 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 13.08 arcsec 2b = 26.16 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 20 deg Position Angle [Equinox] : 113.4 deg [J2000] 113 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 : 230.1988232431 30.4553656933 (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 J152047.71+302719.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.92 arcsec 2a = 7.83 arcsec Uncertainty : 0.047 arcsec 0.10 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 : 230.1988232431 30.4553656933 (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 J152047.71+302719.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 3.1731 arcsec 2a = 6.35 arcsec Uncertainty : 0.034 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 6.12 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.964 b/a = 0.96 Uncertainty : 0.010 0.01 Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 156.3 deg [J2000] 156 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 : 230.1988232431 30.4553656933 (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 J152047.71+302719.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.4972 arcsec 2a = 2.99 arcsec Uncertainty : 0.010 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.83 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.945 b/a = 0.94 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 19 deg Position Angle [Equinox] : 159.2 deg [J2000] 159 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 : 230.1988232431 30.4553656933 (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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