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Date and Time of the Query: 2019-06-16 T07:35:40 PDT
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Diameter data point(s) for object IC 2725

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.......:
9.7 (a) arcsec ... ... 0.800 (b/a) ... ... ... -65
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 19.40 ... 0.80 0.20 0.22 37 115
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
26.5 (a) arcsec ... ... 0.800 (b/a) ... ... ... -65
[J2000]
Diameter for "total" magnitude 1.38E+14 53.00 ... 0.80 0.20 0.22 37 115
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
16.32 (a) arcsec 10.69 arcsec ... ... ... ... 123.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 32.64 ... 0.66 0.34 0.40 49 123
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
2.77 (a) arcsec ... ... ... 0.20 ... ... ... ... 4.77E+14 5.54 0.40 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
1.51 (a) arcsec ... ... 0.671 (b/a) 0.02 ... ... 113.5
[J2000]
... 4.77E+14 3.01 0.03 0.67 0.33 0.38 48 114
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
0.92 (a) arcsec ... ... 0.661 (b/a) 0.01 ... ... 111.9
[J2000]
... 4.77E+14 1.84 0.01 0.66 0.34 0.39 49 112
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
16.32 (a) arcsec 10.69 arcsec ... ... ... ... 123.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 32.64 ... 0.66 0.34 0.40 49 123
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.77 (a) arcsec ... ... ... 0.199 ... ... ... ... 4.77E+14 5.54 0.40 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
1.5055 (a) arcsec ... ... 0.671 (b/a) 0.017 ... ... 113.5
[J2000]
... 4.77E+14 3.01 0.03 0.67 0.33 0.38 48 114
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
0.9214 (a) arcsec ... ... 0.661 (b/a) 0.005 ... ... 111.9
[J2000]
... 4.77E+14 1.84 0.01 0.66 0.34 0.39 49 112
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J11195746+1325455       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 9.7        arcsec               2a = 19.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 15.52 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.800                         b/a = 0.80
Uncertainty                   : ...                                 ...
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]      :  -65   deg [J2000]                  115 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          : 169.989365      13.429284    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11195746+1325455 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 26.5 arcsec 2a = 53.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 42.40 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.800 b/a = 0.80 Uncertainty : ... ... 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] : -65 deg [J2000] 115 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 : 169.989365 13.429284 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J111957.44+132545.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 16.32 arcsec 2a = 32.64 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 10.69 arcsec 2b = 21.38 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.40 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 123.1 deg [J2000] 123 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 : 169.9893341 13.4292803 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J111957.44+132545.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.77 arcsec 2a = 5.54 arcsec Uncertainty : 0.20 arcsec 0.40 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 : 169.9893341 13.4292803 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J111957.44+132545.4 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 1.51 arcsec 2a = 3.01 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 2.02 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.671 b/a = 0.67 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 113.5 deg [J2000] 114 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 : 169.9893341 13.4292803 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J111957.44+132545.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.92 arcsec 2a = 1.84 arcsec Uncertainty : 0.01 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 1.22 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.661 b/a = 0.66 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 111.9 deg [J2000] 112 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 : 169.9893341 13.4292803 (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 J111957.44+132545.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 16.32 arcsec 2a = 32.64 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 10.69 arcsec 2b = 21.38 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.40 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 123.1 deg [J2000] 123 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 : 169.9893358204 13.4292808825 (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 J111957.44+132545.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.77 arcsec 2a = 5.54 arcsec Uncertainty : 0.199 arcsec 0.40 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 : 169.9893358204 13.4292808825 (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 J111957.44+132545.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 1.5055 arcsec 2a = 3.01 arcsec Uncertainty : 0.017 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 2.02 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.671 b/a = 0.67 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 113.5 deg [J2000] 114 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 : 169.9893358204 13.4292808825 (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 J111957.44+132545.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.9214 arcsec 2a = 1.84 arcsec Uncertainty : 0.005 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 1.22 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.661 b/a = 0.66 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 111.9 deg [J2000] 112 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 : 169.9893358204 13.4292808825 (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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