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Date and Time of the Query: 2019-07-20 T15:01:21 PDT
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Diameter data point(s) for object 2MASS J08571404+0255015

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 Petrosian)
2007SDSS6.C...0000:
0.56 (a) arcsec ... ... ... 0.002 ... ... ... ... 4.77E+14 1.11 0.00 ... ... ... ... ...
2 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.0000 (a) arcsec ... ... 0.670 (b/a) 0.001 ... ... 68.6
[J2000]
... 4.77E+14 0.00 0.00 0.67 0.33 0.38 48 69
[J2000]
3 r (SDSS Exponential)
2007SDSS6.C...0000:
0.0002 (a) arcsec ... ... 0.611 (b/a) 0.005 ... ... 68.7
[J2000]
... 4.77E+14 0.00 0.01 0.61 0.39 0.46 52 69
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J085714.04+025501.5      
Frequency Targeted            : r (SDSS Petrosian)            
Major Axis (2a)               : a = 0.56       arcsec               2a = 1.11 arcsec
Uncertainty                   :      0.002  arcsec                  0.00 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          : 134.3085411459  2.9171003295    (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J085714.04+025501.5 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.0000 arcsec 2a = 0.00 arcsec Uncertainty : 0.001 arcsec 0.00 arcsec Minor Axis (2b) : ... 2b = 0.00 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.670 b/a = 0.67 Uncertainty : 1.181 1.18 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] : 68.6 deg [J2000] 69 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 : 134.3085411459 2.9171003295 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 3 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J085714.04+025501.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.0002 arcsec 2a = 0.00 arcsec Uncertainty : 0.005 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.00 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.611 b/a = 0.61 Uncertainty : 1.335 1.33 Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.46 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 68.7 deg [J2000] 69 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 : 134.3085411459 2.9171003295 (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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