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Date and Time of the Query: 2019-05-21 T02:26:14 PDT
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Diameter data point(s) for object IC 3054

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:
20.23 (a) arcsec 16.48 arcsec ... ... ... ... 149.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 40.45 ... 0.81 0.19 0.20 35 150
[J2000]
2 r (SDSS Petrosian)
2005SDSS4.C...0000:
7.53 (a) arcsec ... ... ... 0.10 ... ... ... ... 4.77E+14 15.06 0.19 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
11.75 (a) arcsec ... ... 0.919 (b/a) 0.18 ... ... 146.4
[J2000]
... 4.77E+14 23.50 0.36 0.92 0.08 0.08 23 146
[J2000]
4 r (SDSS Exponential)
2005SDSS4.C...0000:
4.37 (a) arcsec ... ... 0.800 (b/a) 0.05 ... ... 148.0
[J2000]
... 4.77E+14 8.74 0.10 0.80 0.20 0.22 37 148
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
20.23 (a) arcsec 16.48 arcsec ... ... ... ... 149.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 40.45 ... 0.81 0.19 0.20 35 150
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
7.53 (a) arcsec ... ... ... 0.097 ... ... ... ... 4.77E+14 15.06 0.19 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7499 (a) arcsec ... ... 0.919 (b/a) 0.178 ... ... 146.4
[J2000]
... 4.77E+14 23.50 0.35 0.92 0.08 0.08 23 146
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
4.3708 (a) arcsec ... ... 0.800 (b/a) 0.052 ... ... 148.0
[J2000]
... 4.77E+14 8.74 0.10 0.80 0.20 0.22 37 148
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2005SDSS4.C...0000:
Published Object Name         : SDSS J121414.43+133234.6      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 20.23      arcsec               2a = 40.45 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =   16.48    arcsec               2b = 32.95 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.81
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.19
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.20
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 35 deg
Position Angle [Equinox]      :  149.5 deg [J2000]                  150 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          : 183.5601196     13.5429420    (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 J121414.43+133234.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.53 arcsec 2a = 15.06 arcsec Uncertainty : 0.10 arcsec 0.19 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 : 183.5601196 13.5429420 (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 J121414.43+133234.6 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.18 arcsec 0.36 arcsec Minor Axis (2b) : ... 2b = 21.60 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.919 b/a = 0.92 Uncertainty : 0.018 0.02 Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 23 deg Position Angle [Equinox] : 146.4 deg [J2000] 146 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 : 183.5601196 13.5429420 (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 J121414.43+133234.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.37 arcsec 2a = 8.74 arcsec Uncertainty : 0.05 arcsec 0.10 arcsec Minor Axis (2b) : ... 2b = 6.99 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.800 b/a = 0.80 Uncertainty : 0.013 0.01 Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : 148.0 deg [J2000] 148 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 : 183.5601196 13.5429420 (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 J121414.42+133234.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 20.23 arcsec 2a = 40.45 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 16.48 arcsec 2b = 32.95 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.81 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.19 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.20 Uncertainty : ... ... Cos-1(b/a) : ... 35 deg Position Angle [Equinox] : 149.5 deg [J2000] 150 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 : 183.5601168989 13.5429416295 (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 J121414.42+133234.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.53 arcsec 2a = 15.06 arcsec Uncertainty : 0.097 arcsec 0.19 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 : 183.5601168989 13.5429416295 (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 J121414.42+133234.5 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7499 arcsec 2a = 23.50 arcsec Uncertainty : 0.178 arcsec 0.35 arcsec Minor Axis (2b) : ... 2b = 21.60 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.919 b/a = 0.92 Uncertainty : 0.018 0.02 Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 23 deg Position Angle [Equinox] : 146.4 deg [J2000] 146 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 : 183.5601168989 13.5429416295 (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 J121414.42+133234.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.3708 arcsec 2a = 8.74 arcsec Uncertainty : 0.052 arcsec 0.10 arcsec Minor Axis (2b) : ... 2b = 6.99 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.800 b/a = 0.80 Uncertainty : 0.013 0.01 Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : 148.0 deg [J2000] 148 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 : 183.5601168989 13.5429416295 (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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