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Date and Time of the Query: 2019-08-20 T12:09:47 PDT
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Diameter data point(s) for object IC 3559

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.......:
11.2 (a) arcsec ... ... 0.520 (b/a) ... ... ... 70
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 22.40 ... 0.52 0.48 0.57 59 70
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
21.0 (a) arcsec ... ... 0.520 (b/a) ... ... ... 70
[J2000]
Diameter for "total" magnitude 1.38E+14 41.90 ... 0.52 0.48 0.57 59 70
[J2000]
3 POSS1 103a-O
1964MCG2..C...0000V
0.30 arcmin 0.15 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 18.00 ... 0.50 0.50 0.60 60 ...
4 POSS1 103a-O
1964MCG2..C...0000V
0.60 arcmin 0.20 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 36.00 ... 0.33 0.67 0.80 71 ...
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
19.15 (a) arcsec 6.69 arcsec ... ... ... ... 70.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 38.31 ... 0.35 0.65 0.78 70 70
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.82 (a) arcsec ... ... ... 0.381 ... ... ... ... 4.77E+14 5.65 0.76 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.5241 (a) arcsec ... ... 0.322 (b/a) 0.032 ... ... 69.0
[J2000]
... 4.77E+14 5.05 0.06 0.32 0.68 0.81 71 69
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
1.5304 (a) arcsec ... ... 0.353 (b/a) 0.009 ... ... 69.4
[J2000]
... 4.77E+14 3.06 0.02 0.35 0.65 0.78 69 69
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12360338+2659141       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 11.2       arcsec               2a = 22.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 11.65 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.520                         b/a = 0.52
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.48
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.57
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 59 deg
Position Angle [Equinox]      :   70   deg [J2000]                  70 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          : 189.014053      26.987268    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12360338+2659141 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 21.0 arcsec 2a = 41.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 21.79 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.520 b/a = 0.52 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.48 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 70 deg [J2000] 70 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 : 189.014053 26.987268 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +05-30-031 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.30 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.15 arcmin 2b = 9.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 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 : 123336 +2715 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +05-30-031 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.33 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.67 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.80 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Low 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 : "Outer" diameter Coordinates Targeted : 123336 +2715 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J123603.35+265914.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 19.15 arcsec 2a = 38.31 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 6.69 arcsec 2b = 13.38 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.35 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.65 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.78 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 70.2 deg [J2000] 70 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 : 189.0139999701 26.9873543472 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J123603.35+265914.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.82 arcsec 2a = 5.65 arcsec Uncertainty : 0.381 arcsec 0.76 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 : 189.0139999701 26.9873543472 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J123603.35+265914.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.5241 arcsec 2a = 5.05 arcsec Uncertainty : 0.032 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 1.63 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.322 b/a = 0.32 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 69.0 deg [J2000] 69 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 : 189.0139999701 26.9873543472 (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 J123603.35+265914.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.5304 arcsec 2a = 3.06 arcsec Uncertainty : 0.009 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.08 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.353 b/a = 0.35 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.65 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.78 Uncertainty : ... ... Cos-1(b/a) : ... 69 deg Position Angle [Equinox] : 69.4 deg [J2000] 69 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 : 189.0139999701 26.9873543472 (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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