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Date and Time of the Query: 2019-06-24 T03:35:52 PDT
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Diameter data point(s) for object IC 4129

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.......:
7.0 (a) arcsec ... ... 0.720 (b/a) ... ... ... 25
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 14.00 ... 0.72 0.28 0.32 44 25
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
15.1 (a) arcsec ... ... 0.720 (b/a) ... ... ... 25
[J2000]
Diameter for "total" magnitude 1.38E+14 30.20 ... 0.72 0.28 0.32 44 25
[J2000]
3 r (SDSS Isophotal)
2007SDSS6.C...0000:
12.77 (a) arcsec 8.03 arcsec ... ... ... ... 30.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 25.54 ... 0.63 0.37 0.43 51 30
[J2000]
4 r (SDSS Petrosian)
2007SDSS6.C...0000:
3.02 (a) arcsec ... ... ... 0.096 ... ... ... ... 4.77E+14 6.04 0.19 ... ... ... ... ...
5 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
3.6004 (a) arcsec ... ... 0.611 (b/a) 0.064 ... ... 29.3
[J2000]
... 4.77E+14 7.20 0.13 0.61 0.39 0.46 52 29
[J2000]
6 r (SDSS Exponential)
2007SDSS6.C...0000:
1.7734 (a) arcsec ... ... 0.612 (b/a) 0.015 ... ... 28.3
[J2000]
... 4.77E+14 3.55 0.03 0.61 0.39 0.46 52 28
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J13034395+1852380       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 7.0        arcsec               2a = 14.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 10.08 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.720                         b/a = 0.72
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.28
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.32
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 44 deg
Position Angle [Equinox]      :   25   deg [J2000]                  25 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          : 195.933182      18.877222    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13034395+1852380 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 15.1 arcsec 2a = 30.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 21.74 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.720 b/a = 0.72 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.28 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 25 deg [J2000] 25 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 : 195.933182 18.877222 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J130343.96+185237.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 12.77 arcsec 2a = 25.54 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 8.03 arcsec 2b = 16.06 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.63 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.37 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.43 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 30.0 deg [J2000] 30 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 : 195.9331938511 18.8771511353 (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 J130343.96+185237.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.02 arcsec 2a = 6.04 arcsec Uncertainty : 0.096 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 : 195.9331938511 18.8771511353 (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 J130343.96+185237.7 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 3.6004 arcsec 2a = 7.20 arcsec Uncertainty : 0.064 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 4.40 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.611 b/a = 0.61 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.46 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 29.3 deg [J2000] 29 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 : 195.9331938511 18.8771511353 (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 J130343.96+185237.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.7734 arcsec 2a = 3.55 arcsec Uncertainty : 0.015 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 2.17 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.612 b/a = 0.61 Uncertainty : 0.007 0.01 Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.46 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 28.3 deg [J2000] 28 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 : 195.9331938511 18.8771511353 (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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