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Date and Time of the Query: 2019-03-21 T23:28:47 PDT
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Diameter data point(s) for object 2MASS J15205009+3042528

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 r (SDSS Isophotal)
2005SDSS4.C...0000:
6.46 (a) arcsec 3.54 arcsec ... ... ... ... 33.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 12.93 ... 0.55 0.45 0.54 57 33
[J2000]
2 r (SDSS Petrosian)
2005SDSS4.C...0000:
1.29 (a) arcsec ... ... ... 0.04 ... ... ... ... 4.77E+14 2.58 0.08 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
0.71 (a) arcsec ... ... 0.578 (b/a) 0.02 ... ... 36.5
[J2000]
... 4.77E+14 1.42 0.04 0.58 0.42 0.50 55 37
[J2000]
4 r (SDSS Exponential)
2005SDSS4.C...0000:
0.51 (a) arcsec ... ... 0.635 (b/a) 0.01 ... ... 37.4
[J2000]
... 4.77E+14 1.02 0.02 0.64 0.36 0.43 51 37
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
6.46 (a) arcsec 3.54 arcsec ... ... ... ... 33.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 12.93 ... 0.55 0.45 0.54 57 33
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.29 (a) arcsec ... ... ... 0.042 ... ... ... ... 4.77E+14 2.58 0.08 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.7107 (a) arcsec ... ... 0.578 (b/a) 0.020 ... ... 36.5
[J2000]
... 4.77E+14 1.42 0.04 0.58 0.42 0.50 55 37
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
0.5081 (a) arcsec ... ... 0.635 (b/a) 0.009 ... ... 37.4
[J2000]
... 4.77E+14 1.02 0.02 0.64 0.36 0.43 51 37
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2005SDSS4.C...0000:
Published Object Name         : SDSS J152050.08+304252.7      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 6.46       arcsec               2a = 12.93 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    3.54    arcsec               2b = 7.09 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.55
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.45
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.54
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 57 deg
Position Angle [Equinox]      :   33.4 deg [J2000]                  33 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          : 230.2086792     30.7146435    (J2000)
Qualifiers                    : From new, raw data; DIA_MAJ or DIA_MIN modified from
                               published data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J152050.08+304252.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.29 arcsec 2a = 2.58 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 : 230.2086792 30.7146435 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J152050.08+304252.7 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 0.71 arcsec 2a = 1.42 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 0.82 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.578 b/a = 0.58 Uncertainty : 0.019 0.02 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] : 36.5 deg [J2000] 37 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 : 230.2086792 30.7146435 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 4 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J152050.08+304252.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.51 arcsec 2a = 1.02 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 0.65 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.635 b/a = 0.64 Uncertainty : 0.016 0.02 Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.43 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 37.4 deg [J2000] 37 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 : 230.2086792 30.7146435 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152050.08+304252.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 6.46 arcsec 2a = 12.93 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 3.54 arcsec 2b = 7.08 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.55 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.45 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.54 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 33.4 deg [J2000] 33 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 : 230.2086811484 30.7146419435 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152050.08+304252.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.29 arcsec 2a = 2.58 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 : 230.2086811484 30.7146419435 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152050.08+304252.7 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.7107 arcsec 2a = 1.42 arcsec Uncertainty : 0.020 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 0.82 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.578 b/a = 0.58 Uncertainty : 0.019 0.02 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] : 36.5 deg [J2000] 37 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 : 230.2086811484 30.7146419435 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J152050.08+304252.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.5081 arcsec 2a = 1.02 arcsec Uncertainty : 0.009 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 0.65 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.635 b/a = 0.64 Uncertainty : 0.016 0.02 Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.43 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 37.4 deg [J2000] 37 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 : 230.2086811484 30.7146419435 (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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