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Date and Time of the Query: 2019-07-22 T02:16:05 PDT
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Diameter data point(s) for object IC 4373

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.......:
14.6 (a) arcsec ... ... 0.920 (b/a) ... ... ... 90
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 29.20 ... 0.92 0.08 0.08 23 90
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
27.4 (a) arcsec ... ... 0.920 (b/a) ... ... ... 90
[J2000]
Diameter for "total" magnitude 1.38E+14 54.70 ... 0.92 0.08 0.08 23 90
[J2000]
3 r (SDSS Isophotal)
2007SDSS6.C...0000:
26.59 (a) arcsec 23.55 arcsec ... ... ... ... 78.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 53.18 ... 0.89 0.11 0.12 28 78
[J2000]
4 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.36 (a) arcsec ... ... ... 0.045 ... ... ... ... 4.77E+14 10.72 0.09 ... ... ... ... ...
5 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.5660 (a) arcsec ... ... 0.928 (b/a) 0.012 ... ... 76.4
[J2000]
... 4.77E+14 5.13 0.02 0.93 0.07 0.07 22 76
[J2000]
6 r (SDSS Exponential)
2007SDSS6.C...0000:
2.1319 (a) arcsec ... ... 0.881 (b/a) 0.006 ... ... 75.7
[J2000]
... 4.77E+14 4.26 0.01 0.88 0.12 0.13 28 76
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J14054320+2513530       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 14.6       arcsec               2a = 29.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 26.86 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.920                         b/a = 0.92
Uncertainty                   : ...                                 ...
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]      :   90   deg [J2000]                  90 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          : 211.429962      25.231386    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14054320+2513530 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 27.4 arcsec 2a = 54.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 50.32 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.920 b/a = 0.92 Uncertainty : ... ... 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] : 90 deg [J2000] 90 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 : 211.429962 25.231386 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J140543.16+251352.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 26.59 arcsec 2a = 53.18 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 23.55 arcsec 2b = 47.10 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.89 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.11 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.12 Uncertainty : ... ... Cos-1(b/a) : ... 28 deg Position Angle [Equinox] : 78.0 deg [J2000] 78 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 : 211.4298610142 25.2313687443 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J140543.16+251352.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.36 arcsec 2a = 10.72 arcsec Uncertainty : 0.045 arcsec 0.09 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 : 211.4298610142 25.2313687443 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J140543.16+251352.9 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.5660 arcsec 2a = 5.13 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.76 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.928 b/a = 0.93 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 22 deg Position Angle [Equinox] : 76.4 deg [J2000] 76 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 : 211.4298610142 25.2313687443 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J140543.16+251352.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.1319 arcsec 2a = 4.26 arcsec Uncertainty : 0.006 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 3.76 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.881 b/a = 0.88 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 28 deg Position Angle [Equinox] : 75.7 deg [J2000] 76 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 : 211.4298610142 25.2313687443 (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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