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Date and Time of the Query: 2019-06-25 T23:04:12 PDT
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Diameter data point(s) for object NGC 7523

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.......:
22.0 (a) arcsec ... ... 0.380 (b/a) ... ... ... 5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 44.00 ... 0.38 0.62 0.75 68 5
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
34.8 (a) arcsec ... ... 0.380 (b/a) ... ... ... 5
[J2000]
Diameter for "total" magnitude 1.38E+14 69.50 ... 0.38 0.62 0.75 68 5
[J2000]
3 r (SDSS Isophotal)
2004SDSS2.C...0000:
46.56 (a) arcsec 9.59 arcsec ... ... ... ... 4.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 93.12 ... 0.21 0.79 0.92 78 4
[J2000]
4 r (SDSS Petrosian)
2004SDSS2.C...0000:
5.78 (a) arcsec ... ... ... 1.48 ... ... ... ... 4.77E+14 11.55 2.97 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
6.76 (a) arcsec ... ... 0.296 (b/a) 0.06 ... ... 179.3
[J2000]
... 4.77E+14 13.52 0.12 0.30 0.70 0.84 73 179
[J2000]
6 r (SDSS Exponential)
2004SDSS2.C...0000:
3.23 (a) arcsec ... ... 0.313 (b/a) 0.02 ... ... 179.3
[J2000]
... 4.77E+14 6.47 0.04 0.31 0.69 0.82 72 179
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
46.56 (a) arcsec 9.59 arcsec ... ... ... ... 4.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 93.12 ... 0.21 0.79 0.92 78 4
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.78 (a) arcsec ... ... ... 1.485 ... ... ... ... 4.77E+14 11.55 2.97 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
6.7596 (a) arcsec ... ... 0.296 (b/a) 0.058 ... ... 179.3
[J2000]
... 4.77E+14 13.52 0.12 0.30 0.70 0.84 73 179
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
3.2334 (a) arcsec ... ... 0.313 (b/a) 0.022 ... ... 179.3
[J2000]
... 4.77E+14 6.47 0.04 0.31 0.69 0.82 72 179
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J23133468+1359121       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 22.0       arcsec               2a = 44.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 16.72 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.380                         b/a = 0.38
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.62
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.75
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 68 deg
Position Angle [Equinox]      :    5   deg [J2000]                  5 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          : 348.394562      13.986746    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J23133468+1359121 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 34.8 arcsec 2a = 69.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 26.41 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.380 b/a = 0.38 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 5 deg [J2000] 5 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 : 348.394562 13.986746 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J231334.72+135912.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 46.56 arcsec 2a = 93.12 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 9.59 arcsec 2b = 19.18 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.21 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.79 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 4.0 deg [J2000] 4 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 : 348.3946533 13.9867954 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J231334.72+135912.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.78 arcsec 2a = 11.55 arcsec Uncertainty : 1.48 arcsec 2.97 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 : 348.3946533 13.9867954 (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 J231334.72+135912.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 6.76 arcsec 2a = 13.52 arcsec Uncertainty : 0.06 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 4.00 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.296 b/a = 0.30 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.84 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 179.3 deg [J2000] 179 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 : 348.3946533 13.9867954 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 6 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J231334.72+135912.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.23 arcsec 2a = 6.47 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 2.03 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.313 b/a = 0.31 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.69 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.82 Uncertainty : ... ... Cos-1(b/a) : ... 72 deg Position Angle [Equinox] : 179.3 deg [J2000] 179 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 : 348.3946533 13.9867954 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J231334.71+135912.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 46.56 arcsec 2a = 93.12 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 9.59 arcsec 2b = 19.18 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.21 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.79 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 4.0 deg [J2000] 4 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 : 348.3946481788 13.9867952998 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J231334.71+135912.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.78 arcsec 2a = 11.55 arcsec Uncertainty : 1.485 arcsec 2.97 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 : 348.3946481788 13.9867952998 (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 J231334.71+135912.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 6.7596 arcsec 2a = 13.52 arcsec Uncertainty : 0.058 arcsec 0.12 arcsec Minor Axis (2b) : ... 2b = 4.00 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.296 b/a = 0.30 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.84 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 179.3 deg [J2000] 179 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 : 348.3946481788 13.9867952998 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J231334.71+135912.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.2334 arcsec 2a = 6.47 arcsec Uncertainty : 0.022 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 2.02 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.313 b/a = 0.31 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.69 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.82 Uncertainty : ... ... Cos-1(b/a) : ... 72 deg Position Angle [Equinox] : 179.3 deg [J2000] 179 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 : 348.3946481788 13.9867952998 (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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