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Date and Time of the Query: 2019-06-26 T13:29:41 PDT
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Diameter data point(s) for object IC 4047

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.......:
13.8 (a) arcsec ... ... 0.800 (b/a) ... ... ... -60
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 27.60 ... 0.80 0.20 0.22 37 120
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
27.0 (a) arcsec ... ... 0.800 (b/a) ... ... ... -60
[J2000]
Diameter for "total" magnitude 1.38E+14 53.90 ... 0.80 0.20 0.22 37 120
[J2000]
3 POSS1 103a-O
1964MCG2..C...0000V
0.20 arcmin 0.20 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 12.00 ... 1.00 0.00 0.00 0 ...
4 POSS1 103a-O
1964MCG2..C...0000V
0.40 arcmin 0.40 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 24.00 ... 1.00 0.00 0.00 0 ...
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
24.00 (a) arcsec 18.94 arcsec ... ... ... ... 98.3
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 48.00 ... 0.79 0.21 0.23 38 98
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.53 (a) arcsec ... ... ... 0.133 ... ... ... ... 4.77E+14 11.07 0.27 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.0301 (a) arcsec ... ... 0.786 (b/a) 0.029 ... ... 103.6
[J2000]
... 4.77E+14 8.06 0.06 0.79 0.21 0.24 38 104
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
2.3793 (a) arcsec ... ... 0.777 (b/a) 0.012 ... ... 104.3
[J2000]
... 4.77E+14 4.76 0.02 0.78 0.22 0.25 39 104
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J13005770+1941130       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 13.8       arcsec               2a = 27.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 22.08 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]      :  -60   deg [J2000]                  120 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          : 195.240417      19.686958    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13005770+1941130 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 27.0 arcsec 2a = 53.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 43.12 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] : -60 deg [J2000] 120 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 : 195.240417 19.686958 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-33-021 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.20 arcmin 2a = 12.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Intermed. 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 : 125818 +1959 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-33-021 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.40 arcmin 2a = 24.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 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 : 125818 +1959 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J130057.69+194113.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 24.00 arcsec 2a = 48.00 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 18.94 arcsec 2b = 37.88 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.79 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.21 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.23 Uncertainty : ... ... Cos-1(b/a) : ... 38 deg Position Angle [Equinox] : 98.3 deg [J2000] 98 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 : 195.2403855707 19.6869873663 (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 J130057.69+194113.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.53 arcsec 2a = 11.07 arcsec Uncertainty : 0.133 arcsec 0.27 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 : 195.2403855707 19.6869873663 (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 J130057.69+194113.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.0301 arcsec 2a = 8.06 arcsec Uncertainty : 0.029 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 6.34 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.786 b/a = 0.79 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.21 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 38 deg Position Angle [Equinox] : 103.6 deg [J2000] 104 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 : 195.2403855707 19.6869873663 (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 J130057.69+194113.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.3793 arcsec 2a = 4.76 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.70 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.777 b/a = 0.78 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.25 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : 104.3 deg [J2000] 104 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 : 195.2403855707 19.6869873663 (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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