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Date and Time of the Query: 2019-03-22 T18:21:34 PDT
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Diameter data point(s) for object 2MASX J15205414+3023339

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.......:
9.1 (a) arcsec ... ... 0.680 (b/a) ... ... ... -75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 18.20 ... 0.68 0.32 0.37 47 105
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
17.3 (a) arcsec ... ... 0.680 (b/a) ... ... ... -75
[J2000]
Diameter for "total" magnitude 1.38E+14 34.70 ... 0.68 0.32 0.37 47 105
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
14.47 (a) arcsec 11.31 arcsec ... ... ... ... 113.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 28.94 ... 0.78 0.22 0.24 39 113
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
3.96 (a) arcsec ... ... ... 0.07 ... ... ... ... 4.77E+14 7.92 0.14 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
2.64 (a) arcsec ... ... 0.602 (b/a) 0.03 ... ... 119.9
[J2000]
... 4.77E+14 5.28 0.05 0.60 0.40 0.47 53 120
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
1.60 (a) arcsec ... ... 0.579 (b/a) 0.01 ... ... 120.3
[J2000]
... 4.77E+14 3.20 0.02 0.58 0.42 0.50 55 120
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
14.47 (a) arcsec 11.31 arcsec ... ... ... ... 113.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 28.94 ... 0.78 0.22 0.24 39 113
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
3.96 (a) arcsec ... ... ... 0.069 ... ... ... ... 4.77E+14 7.92 0.14 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.6384 (a) arcsec ... ... 0.602 (b/a) 0.027 ... ... 119.9
[J2000]
... 4.77E+14 5.28 0.05 0.60 0.40 0.47 53 120
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.6015 (a) arcsec ... ... 0.579 (b/a) 0.012 ... ... 120.3
[J2000]
... 4.77E+14 3.20 0.02 0.58 0.42 0.50 55 120
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J15205414+3023339       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 9.1        arcsec               2a = 18.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 12.38 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.680                         b/a = 0.68
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.32
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.37
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 47 deg
Position Angle [Equinox]      :  -75   deg [J2000]                  105 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          : 230.225555      30.392838    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15205414+3023339 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 17.3 arcsec 2a = 34.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 23.60 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.680 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : -75 deg [J2000] 105 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 : 230.225555 30.392838 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J152054.12+302334.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 14.47 arcsec 2a = 28.94 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 11.31 arcsec 2b = 22.62 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.78 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 39 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 : 230.2255096 30.3929062 (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 J152054.12+302334.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.96 arcsec 2a = 7.92 arcsec Uncertainty : 0.07 arcsec 0.14 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 : 230.2255096 30.3929062 (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 J152054.12+302334.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.64 arcsec 2a = 5.28 arcsec Uncertainty : 0.03 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 3.18 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.602 b/a = 0.60 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : 119.9 deg [J2000] 120 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 : 230.2255096 30.3929062 (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 J152054.12+302334.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.60 arcsec 2a = 3.20 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.85 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.579 b/a = 0.58 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.42 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.50 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : 120.3 deg [J2000] 120 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 : 230.2255096 30.3929062 (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 J152054.12+302334.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 14.47 arcsec 2a = 28.94 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 11.31 arcsec 2b = 22.62 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.78 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 39 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 : 230.2255260568 30.3929060016 (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 J152054.12+302334.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.96 arcsec 2a = 7.92 arcsec Uncertainty : 0.069 arcsec 0.14 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 : 230.2255260568 30.3929060016 (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 J152054.12+302334.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.6384 arcsec 2a = 5.28 arcsec Uncertainty : 0.027 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 3.18 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.602 b/a = 0.60 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : 119.9 deg [J2000] 120 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 : 230.2255260568 30.3929060016 (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 J152054.12+302334.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.6015 arcsec 2a = 3.20 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.85 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.579 b/a = 0.58 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.42 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.50 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : 120.3 deg [J2000] 120 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 : 230.2255260568 30.3929060016 (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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