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Date and Time of the Query: 2018-12-12 T12:47:07 PST
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Diameter data point(s) for object NGC 4543

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 K_s (2MASS isophotal)
20032MASX.C.......:
20.7 (a) arcsec ... ... 0.740 (b/a) ... ... ... 15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 41.40 ... 0.74 0.26 0.29 42 15
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
36.9 (a) arcsec ... ... 0.740 (b/a) ... ... ... 15
[J2000]
Diameter for "total" magnitude 1.38E+14 73.80 ... 0.74 0.26 0.29 42 15
[J2000]
3 POSS1 103a-O
1963MCG3..C...0000V
0.40 arcmin 0.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 24.00 ... 0.75 0.25 0.28 41 ...
4 r (SDSS Isophotal)
2004SDSS2.C...0000:
34.27 (a) arcsec 25.08 arcsec ... ... ... ... 5.8
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 68.55 ... 0.73 0.27 0.30 43 6
[J2000]
5 r (SDSS Petrosian)
2004SDSS2.C...0000:
5.97 (a) arcsec ... ... ... 0.17 ... ... ... ... 4.77E+14 11.95 0.34 ... ... ... ... ...
6 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
2.92 (a) arcsec ... ... 0.734 (b/a) 0.02 ... ... 178.2
[J2000]
... 4.77E+14 5.83 0.03 0.73 0.27 0.30 43 178
[J2000]
7 r (SDSS Exponential)
2004SDSS2.C...0000:
2.41 (a) arcsec ... ... 0.764 (b/a) 0.01 ... ... 177.2
[J2000]
... 4.77E+14 4.83 0.02 0.76 0.24 0.26 40 177
[J2000]
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
34.27 (a) arcsec 25.08 arcsec ... ... ... ... 5.8
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 68.55 ... 0.73 0.27 0.30 43 6
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.97 (a) arcsec ... ... ... 0.172 ... ... ... ... 4.77E+14 11.95 0.34 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.9161 (a) arcsec ... ... 0.734 (b/a) 0.015 ... ... 178.2
[J2000]
... 4.77E+14 5.83 0.03 0.73 0.27 0.30 43 178
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
2.4130 (a) arcsec ... ... 0.764 (b/a) 0.009 ... ... 177.2
[J2000]
... 4.77E+14 4.83 0.02 0.76 0.24 0.26 40 177
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12352028+0606551       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 20.7       arcsec               2a = 41.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 30.64 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.740                         b/a = 0.74
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.26
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.29
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 42 deg
Position Angle [Equinox]      :   15   deg [J2000]                  15 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : 20.0 K-mag arcsec^-2^         
Frequency                     : 2.17         microns                1.38E+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          : 188.834412      6.115231    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12352028+0606551 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 36.9 arcsec 2a = 73.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 54.61 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.740 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 15 deg [J2000] 15 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Diameter for "total" magnitude Frequency : 2.17 microns 1.38E+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 : 188.834412 6.115231 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +01-32-109 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.40 arcmin 2a = 24.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.75 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.25 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.28 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Very high surface brightness Frequency : 4050 A 7.40E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Eye estimate Measured Quantity : "Inner" diameter Coordinates Targeted : 123248 +0623 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J123520.23+060654.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 34.27 arcsec 2a = 68.55 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 25.08 arcsec 2b = 50.17 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 5.8 deg [J2000] 6 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 : 188.8343048 6.1150942 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J123520.23+060654.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.97 arcsec 2a = 11.95 arcsec Uncertainty : 0.17 arcsec 0.34 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 : 188.8343048 6.1150942 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J123520.23+060654.3 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.92 arcsec 2a = 5.83 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 4.28 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.734 b/a = 0.73 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 178.2 deg [J2000] 178 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 : 188.8343048 6.1150942 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J123520.23+060654.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.41 arcsec 2a = 4.83 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.69 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.764 b/a = 0.76 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.26 Uncertainty : ... ... Cos-1(b/a) : ... 40 deg Position Angle [Equinox] : 177.2 deg [J2000] 177 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 : 188.8343048 6.1150942 (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 J123520.23+060654.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 34.27 arcsec 2a = 68.55 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 25.08 arcsec 2b = 50.16 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 5.8 deg [J2000] 6 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 : 188.8343137006 6.1150943025 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J123520.23+060654.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.97 arcsec 2a = 11.95 arcsec Uncertainty : 0.172 arcsec 0.34 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 : 188.8343137006 6.1150943025 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J123520.23+060654.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.9161 arcsec 2a = 5.83 arcsec Uncertainty : 0.015 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 4.28 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.734 b/a = 0.73 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 178.2 deg [J2000] 178 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 : 188.8343137006 6.1150943025 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J123520.23+060654.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.4130 arcsec 2a = 4.83 arcsec Uncertainty : 0.009 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.69 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.764 b/a = 0.76 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.26 Uncertainty : ... ... Cos-1(b/a) : ... 40 deg Position Angle [Equinox] : 177.2 deg [J2000] 177 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 : 188.8343137006 6.1150943025 (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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