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Date and Time of the Query: 2019-04-20 T08:33:42 PDT
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Diameter data point(s) for object NGC 4186

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 POSS1 103a-O
1973UGC...C...0000N
1.00 arcmin 0.80 arcmin ... ... ... ... 60
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 60.00 ... 0.80 0.20 0.22 37 60
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
26.0 (a) arcsec ... ... 0.620 (b/a) ... ... ... 80
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 52.00 ... 0.62 0.38 0.44 52 80
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
43.4 (a) arcsec ... ... 0.620 (b/a) ... ... ... 80
[J2000]
Diameter for "total" magnitude 1.38E+14 86.90 ... 0.62 0.38 0.44 52 80
[J2000]
4 POSS1 103a-O
1964MCG2..C...0000V
0.20 arcmin 0.20 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 12.00 ... 1.00 0.00 0.00 0 ...
5 POSS1 103a-O
1964MCG2..C...0000V
1.10 arcmin 0.80 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 66.00 ... 0.73 0.27 0.31 43 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.04 log(2a) + 1 ... ... 0.11
log(a/b)
0.04 ... ... 60
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 65.80 6.30 0.78 0.22 0.25 39 60
[J2000]
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.06 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 68.90 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2006SDSS5.C...0000:
33.18 (a) arcsec 27.54 arcsec ... ... ... ... 57.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 66.35 ... 0.83 0.17 0.18 34 57
[J2000]
9 r (SDSS Petrosian)
2006SDSS5.C...0000:
9.22 (a) arcsec ... ... ... 0.09 ... ... ... ... 4.77E+14 18.43 0.18 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
4.76 (a) arcsec ... ... 0.856 (b/a) 0.03 ... ... 56.6
[J2000]
... 4.77E+14 9.51 0.07 0.86 0.14 0.15 31 57
[J2000]
11 r (SDSS Exponential)
2006SDSS5.C...0000:
3.74 (a) arcsec ... ... 0.834 (b/a) 0.02 ... ... 53.5
[J2000]
... 4.77E+14 7.49 0.03 0.83 0.17 0.18 33 54
[J2000]
12 r (SDSS Isophotal)
2007SDSS6.C...0000:
33.18 (a) arcsec 27.54 arcsec ... ... ... ... 57.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 66.35 ... 0.83 0.17 0.18 34 57
[J2000]
13 r (SDSS Petrosian)
2007SDSS6.C...0000:
9.22 (a) arcsec ... ... ... 0.089 ... ... ... ... 4.77E+14 18.43 0.18 ... ... ... ... ...
14 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.7562 (a) arcsec ... ... 0.856 (b/a) 0.035 ... ... 56.6
[J2000]
... 4.77E+14 9.51 0.07 0.86 0.14 0.15 31 57
[J2000]
15 r (SDSS Exponential)
2007SDSS6.C...0000:
3.7445 (a) arcsec ... ... 0.834 (b/a) 0.016 ... ... 53.5
[J2000]
... 4.77E+14 7.49 0.03 0.83 0.17 0.18 33 54
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07240                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.00       arcmin                   2a = 60.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.80      arcmin              2b = 48.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 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 [B1950]                  60 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : About 25.0 B-mag arcsec^-2^   
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          : 121136.         +150000.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12140651+1443324 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 26.0 arcsec 2a = 52.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 32.24 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.620 b/a = 0.62 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.44 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 80 deg [J2000] 80 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 : 183.527145 14.725745 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12140651+1443324 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 43.4 arcsec 2a = 86.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 53.88 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.620 b/a = 0.62 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.44 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 80 deg [J2000] 80 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 : 183.527145 14.725745 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-31-081 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 : 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 : 121130 +1500 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-31-081 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.10 arcmin 2a = 66.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.80 arcmin 2b = 48.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 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 : "Outer" diameter Coordinates Targeted : 121130 +1500 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07240 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.04 2a = 65.80 arcsec Uncertainty : 0.04 6.30 arcsec Minor Axis (2b) : ... 2b = 51.06 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.11 b/a = 0.78 Uncertainty : 0.03 0.06 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] : 60 deg [J2000] 60 deg [J2000] Uncertainty : ... ... Significance : Mean error Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+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 : Isophotal diameter Coordinates Targeted : 121406.4 +144338. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07240 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.06 2a = 68.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+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 : Isophotal diameter Coordinates Targeted : 121406.4 +144338. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 8 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J121406.53+144332.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 33.18 arcsec 2a = 66.35 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 27.54 arcsec 2b = 55.07 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.83 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 34 deg Position Angle [Equinox] : 57.1 deg [J2000] 57 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 : 183.5271912 14.7258101 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J121406.53+144332.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 9.22 arcsec 2a = 18.43 arcsec Uncertainty : 0.09 arcsec 0.18 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 : 183.5271912 14.7258101 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 10 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J121406.53+144332.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 4.76 arcsec 2a = 9.51 arcsec Uncertainty : 0.03 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 8.14 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.856 b/a = 0.86 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 31 deg Position Angle [Equinox] : 56.6 deg [J2000] 57 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 : 183.5271912 14.7258101 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J121406.53+144332.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.74 arcsec 2a = 7.49 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.25 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.834 b/a = 0.83 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 33 deg Position Angle [Equinox] : 53.5 deg [J2000] 54 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 : 183.5271912 14.7258101 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J121406.52+144332.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 33.18 arcsec 2a = 66.35 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 27.54 arcsec 2b = 55.07 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.83 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 34 deg Position Angle [Equinox] : 57.1 deg [J2000] 57 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 : 183.5271924625 14.7258104290 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 13 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J121406.52+144332.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 9.22 arcsec 2a = 18.43 arcsec Uncertainty : 0.089 arcsec 0.18 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 : 183.5271924625 14.7258104290 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 14 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J121406.52+144332.9 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.7562 arcsec 2a = 9.51 arcsec Uncertainty : 0.035 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 8.14 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.856 b/a = 0.86 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 31 deg Position Angle [Equinox] : 56.6 deg [J2000] 57 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 : 183.5271924625 14.7258104290 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 15 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J121406.52+144332.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.7445 arcsec 2a = 7.49 arcsec Uncertainty : 0.016 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.25 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.834 b/a = 0.83 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 33 deg Position Angle [Equinox] : 53.5 deg [J2000] 54 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 : 183.5271924625 14.7258104290 (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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