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Date and Time of the Query: 2022-01-19 T13:02:57 PST
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Diameter data point(s) for object WISEA J002825.57+001610.0

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)
2004SDSS2.C...0000:
7.42 (a) arcsec 3.78 arcsec ... ... ... ... 147.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 14.83 ... 0.51 0.49 0.59 59 147
[J2000]
2 r (SDSS Petrosian)
2004SDSS2.C...0000:
1.77 (a) arcsec ... ... ... 0.09 ... ... ... ... 4.77E+14 3.54 0.17 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
1.80 (a) arcsec ... ... 0.324 (b/a) 0.06 ... ... 154.7
[J2000]
... 4.77E+14 3.60 0.12 0.32 0.68 0.81 71 155
[J2000]
4 r (SDSS Exponential)
2004SDSS2.C...0000:
1.03 (a) arcsec ... ... 0.359 (b/a) 0.02 ... ... 155.1
[J2000]
... 4.77E+14 2.06 0.04 0.36 0.64 0.77 69 155
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
7.42 (a) arcsec 3.78 arcsec ... ... ... ... 147.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 14.83 ... 0.51 0.49 0.59 59 147
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.77 (a) arcsec ... ... ... 0.085 ... ... ... ... 4.77E+14 3.54 0.17 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
1.8011 (a) arcsec ... ... 0.324 (b/a) 0.058 ... ... 154.7
[J2000]
... 4.77E+14 3.60 0.12 0.32 0.68 0.81 71 155
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
1.0307 (a) arcsec ... ... 0.359 (b/a) 0.019 ... ... 155.1
[J2000]
... 4.77E+14 2.06 0.04 0.36 0.64 0.77 69 155
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2004SDSS2.C...0000:
Published Object Name         : SDSS J002825.56+001610.3      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 7.42       arcsec               2a = 14.83 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    3.78    arcsec               2b = 7.55 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.51
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.49
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.59
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 59 deg
Position Angle [Equinox]      :  147.1 deg [J2000]                  147 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          : 7.1064911       0.2695316    (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J002825.56+001610.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.77 arcsec 2a = 3.54 arcsec Uncertainty : 0.09 arcsec 0.17 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 : 7.1064911 0.2695316 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J002825.56+001610.3 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 1.80 arcsec 2a = 3.60 arcsec Uncertainty : 0.06 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 1.17 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.324 b/a = 0.32 Uncertainty : 0.011 0.01 Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 154.7 deg [J2000] 155 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 : 7.1064911 0.2695316 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J002825.56+001610.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.03 arcsec 2a = 2.06 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 0.74 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.359 b/a = 0.36 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.64 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.77 Uncertainty : ... ... Cos-1(b/a) : ... 69 deg Position Angle [Equinox] : 155.1 deg [J2000] 155 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 : 7.1064911 0.2695316 (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 J002825.55+001610.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 7.42 arcsec 2a = 14.83 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 3.78 arcsec 2b = 7.56 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.51 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.49 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.59 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 147.1 deg [J2000] 147 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 : 7.1064912425 0.2695316321 (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 J002825.55+001610.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.77 arcsec 2a = 3.54 arcsec Uncertainty : 0.085 arcsec 0.17 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 : 7.1064912425 0.2695316321 (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 J002825.55+001610.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 1.8011 arcsec 2a = 3.60 arcsec Uncertainty : 0.058 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 1.17 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.324 b/a = 0.32 Uncertainty : 0.011 0.01 Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 154.7 deg [J2000] 155 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 : 7.1064912425 0.2695316321 (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 J002825.55+001610.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.0307 arcsec 2a = 2.06 arcsec Uncertainty : 0.019 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 0.74 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.359 b/a = 0.36 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.64 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.77 Uncertainty : ... ... Cos-1(b/a) : ... 69 deg Position Angle [Equinox] : 155.1 deg [J2000] 155 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 : 7.1064912425 0.2695316321 (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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