NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-07-21 T15:16:27 PDT
Help | Comment | NED Home

Diameter data point(s) for object 2MASS J12262347+2647506

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:
0.57 (a) arcsec ... ... ... 0.007 ... ... ... ... 4.77E+14 1.14 0.01 ... ... ... ... ...
2 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.0230 (a) arcsec ... ... 0.993 (b/a) 0.029 ... ... 105.4
[J2000]
... 4.77E+14 0.05 0.06 0.99 0.01 0.01 7 105
[J2000]
3 r (SDSS Exponential)
2007SDSS6.C...0000:
0.0222 (a) arcsec ... ... 0.991 (b/a) 0.027 ... ... 71.1
[J2000]
... 4.77E+14 0.04 0.05 0.99 0.01 0.01 8 71
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2007SDSS6.C...0000:
Published Object Name         : SDSS J122623.48+264750.4      
Frequency Targeted            : r (SDSS Petrosian)            
Major Axis (2a)               : a = 0.57       arcsec               2a = 1.14 arcsec
Uncertainty                   :      0.007  arcsec                  0.01 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          : 186.5978683744  26.7973535898    (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 J122623.48+264750.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.0230 arcsec 2a = 0.05 arcsec Uncertainty : 0.029 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 0.05 arcsec Uncertainty : ... 0.02 Axis Ratio : b/a = 0.993 b/a = 0.99 Uncertainty : 0.367 0.37 Ellipticity : ... 1 - b/a = 0.01 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.01 Uncertainty : ... ... Cos-1(b/a) : ... 7 deg Position Angle [Equinox] : 105.4 deg [J2000] 105 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 : 186.5978683744 26.7973535898 (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 J122623.48+264750.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.0222 arcsec 2a = 0.04 arcsec Uncertainty : 0.027 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 0.04 arcsec Uncertainty : ... 0.02 Axis Ratio : b/a = 0.991 b/a = 0.99 Uncertainty : 0.374 0.37 Ellipticity : ... 1 - b/a = 0.01 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.01 Uncertainty : ... ... Cos-1(b/a) : ... 8 deg Position Angle [Equinox] : 71.1 deg [J2000] 71 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 : 186.5978683744 26.7973535898 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

Back to NED Home