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Date and Time of the Query: 2022-01-24 T03:39:08 PST
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Diameter data point(s) for object WISEA J002257.88+001929.7

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:
5.88 (a) arcsec 4.11 arcsec ... ... ... ... 61.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 11.77 ... 0.70 0.30 0.34 46 62
[J2000]
2 r (SDSS Petrosian)
2004SDSS2.C...0000:
1.96 (a) arcsec ... ... ... 0.35 ... ... ... ... 4.77E+14 3.93 0.71 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
0.97 (a) arcsec ... ... 0.672 (b/a) 0.08 ... ... 66.2
[J2000]
... 4.77E+14 1.95 0.16 0.67 0.33 0.38 48 66
[J2000]
4 r (SDSS Exponential)
2004SDSS2.C...0000:
0.49 (a) arcsec ... ... 0.714 (b/a) 0.02 ... ... 65.8
[J2000]
... 4.77E+14 0.99 0.04 0.71 0.29 0.32 44 66
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
5.88 (a) arcsec 4.11 arcsec ... ... ... ... 61.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 11.77 ... 0.70 0.30 0.34 46 62
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.96 (a) arcsec ... ... ... 0.354 ... ... ... ... 4.77E+14 3.93 0.71 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.9748 (a) arcsec ... ... 0.672 (b/a) 0.079 ... ... 66.2
[J2000]
... 4.77E+14 1.95 0.16 0.67 0.33 0.38 48 66
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
0.4940 (a) arcsec ... ... 0.714 (b/a) 0.020 ... ... 65.8
[J2000]
... 4.77E+14 0.99 0.04 0.71 0.29 0.32 44 66
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2004SDSS2.C...0000:
Published Object Name         : SDSS J002257.88+001929.8      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 5.88       arcsec               2a = 11.77 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    4.11    arcsec               2b = 8.23 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.70
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.30
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.34
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 46 deg
Position Angle [Equinox]      :   61.6 deg [J2000]                  62 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          : 5.7411480       0.3249543    (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 J002257.88+001929.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.96 arcsec 2a = 3.93 arcsec Uncertainty : 0.35 arcsec 0.71 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 : 5.7411480 0.3249543 (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 J002257.88+001929.8 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 0.97 arcsec 2a = 1.95 arcsec Uncertainty : 0.08 arcsec 0.16 arcsec Minor Axis (2b) : ... 2b = 1.31 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.672 b/a = 0.67 Uncertainty : 0.048 0.05 Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 66.2 deg [J2000] 66 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 : 5.7411480 0.3249543 (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 J002257.88+001929.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.49 arcsec 2a = 0.99 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 0.71 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.714 b/a = 0.71 Uncertainty : 0.043 0.04 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 65.8 deg [J2000] 66 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 : 5.7411480 0.3249543 (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 J002257.87+001929.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 5.88 arcsec 2a = 11.77 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 4.11 arcsec 2b = 8.22 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 61.6 deg [J2000] 62 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 : 5.7411478237 0.3249542965 (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 J002257.87+001929.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.96 arcsec 2a = 3.93 arcsec Uncertainty : 0.354 arcsec 0.71 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 : 5.7411478237 0.3249542965 (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 J002257.87+001929.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.9748 arcsec 2a = 1.95 arcsec Uncertainty : 0.079 arcsec 0.16 arcsec Minor Axis (2b) : ... 2b = 1.31 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.672 b/a = 0.67 Uncertainty : 0.048 0.05 Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 66.2 deg [J2000] 66 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 : 5.7411478237 0.3249542965 (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 J002257.87+001929.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.4940 arcsec 2a = 0.99 arcsec Uncertainty : 0.020 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 0.71 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.714 b/a = 0.71 Uncertainty : 0.043 0.04 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 65.8 deg [J2000] 66 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 : 5.7411478237 0.3249542965 (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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