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Date and Time of the Query: 2019-03-23 T20:00:58 PDT
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Diameter data point(s) for object NGC 2926

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
0.90 arcmin 0.80 arcmin ... ... ... ... 120
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 54.00 ... 0.89 0.11 0.12 27 120
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
19.3 (a) arcsec ... ... 0.740 (b/a) ... ... ... -70
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 38.60 ... 0.74 0.26 0.29 42 110
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
31.5 (a) arcsec ... ... 0.740 (b/a) ... ... ... -70
[J2000]
Diameter for "total" magnitude 1.38E+14 63.10 ... 0.74 0.26 0.29 42 110
[J2000]
4 POSS1 103a-O
1964MCG2..C...0000V
0.60 arcmin 0.50 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 36.00 ... 0.83 0.17 0.18 34 ...
5 POSS1 103a-O
1964MCG2..C...0000V
0.80 arcmin 0.80 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 48.00 ... 1.00 0.00 0.00 0 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.92 log(2a) + 1 ... ... 0.03
log(a/b)
0.07 ... ... 120
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 49.90 8.70 0.93 0.07 0.07 21 120
[J2000]
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.92 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 49.90 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2006SDSS5.C...0000:
32.62 (a) arcsec 21.98 arcsec ... ... ... ... 121.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 65.24 ... 0.67 0.33 0.38 48 122
[J2000]
9 r (SDSS Petrosian)
2006SDSS5.C...0000:
6.73 (a) arcsec ... ... ... 0.08 ... ... ... ... 4.77E+14 13.46 0.16 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
8.83 (a) arcsec ... ... 0.700 (b/a) 0.07 ... ... 122.1
[J2000]
... 4.77E+14 17.65 0.13 0.70 0.30 0.34 46 122
[J2000]
11 r (SDSS Exponential)
2006SDSS5.C...0000:
4.29 (a) arcsec ... ... 0.707 (b/a) 0.01 ... ... 119.4
[J2000]
... 4.77E+14 8.57 0.03 0.71 0.29 0.33 45 119
[J2000]
12 r (SDSS Isophotal)
2007SDSS6.C...0000:
32.62 (a) arcsec 21.98 arcsec ... ... ... ... 121.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 65.24 ... 0.67 0.33 0.38 48 122
[J2000]
13 r (SDSS Petrosian)
2007SDSS6.C...0000:
6.73 (a) arcsec ... ... ... 0.081 ... ... ... ... 4.77E+14 13.46 0.16 ... ... ... ... ...
14 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
8.8251 (a) arcsec ... ... 0.700 (b/a) 0.066 ... ... 122.1
[J2000]
... 4.77E+14 17.65 0.13 0.70 0.30 0.34 46 122
[J2000]
15 r (SDSS Exponential)
2007SDSS6.C...0000:
4.2875 (a) arcsec ... ... 0.707 (b/a) 0.013 ... ... 119.4
[J2000]
... 4.77E+14 8.57 0.03 0.71 0.29 0.33 45 119
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 05125                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 0.90       arcmin                   2a = 54.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.80      arcmin              2b = 48.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.89
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.11
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.12
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 27 deg
Position Angle [Equinox]      : 120    deg [B1950]                  120 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          : 093430.         +330400.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09373100+3250286 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 19.3 arcsec 2a = 38.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 28.56 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.740 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : -70 deg [J2000] 110 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 : 144.379181 32.841324 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09373100+3250286 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 31.5 arcsec 2a = 63.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 46.69 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.740 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : -70 deg [J2000] 110 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 : 144.379181 32.841324 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-21-060 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 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] : ... ... 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 : 093424 +3303 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-21-060 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.80 arcmin 2a = 48.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.80 arcmin 2b = 48.00 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 : 093424 +3303 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05125 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.92 2a = 49.90 arcsec Uncertainty : 0.07 8.70 arcsec Minor Axis (2b) : ... 2b = 46.56 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.03 b/a = 0.93 Uncertainty : 0.05 0.11 Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 120 deg [J2000] 120 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 : 093731.3 +325030. (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 05125 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.92 2a = 49.90 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 : 093731.3 +325030. (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 J093731.01+325029.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 32.62 arcsec 2a = 65.24 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 21.98 arcsec 2b = 43.96 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.67 Uncertainty : ... ... 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] : 121.6 deg [J2000] 122 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 : 144.3791962 32.8414116 (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 J093731.01+325029.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 6.73 arcsec 2a = 13.46 arcsec Uncertainty : 0.08 arcsec 0.16 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 : 144.3791962 32.8414116 (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 J093731.01+325029.1 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 8.83 arcsec 2a = 17.65 arcsec Uncertainty : 0.07 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 12.35 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.700 b/a = 0.70 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 122.1 deg [J2000] 122 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 : 144.3791962 32.8414116 (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 J093731.01+325029.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.29 arcsec 2a = 8.57 arcsec Uncertainty : 0.01 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.06 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.707 b/a = 0.71 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.33 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 119.4 deg [J2000] 119 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 : 144.3791962 32.8414116 (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 J093731.00+325029.0 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 32.62 arcsec 2a = 65.24 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 21.98 arcsec 2b = 43.96 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.67 Uncertainty : ... ... 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] : 121.6 deg [J2000] 122 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 : 144.3791998423 32.8414102624 (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 J093731.00+325029.0 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 6.73 arcsec 2a = 13.46 arcsec Uncertainty : 0.081 arcsec 0.16 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 : 144.3791998423 32.8414102624 (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 J093731.00+325029.0 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 8.8251 arcsec 2a = 17.65 arcsec Uncertainty : 0.066 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 12.35 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.700 b/a = 0.70 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 122.1 deg [J2000] 122 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 : 144.3791998423 32.8414102624 (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 J093731.00+325029.0 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.2875 arcsec 2a = 8.57 arcsec Uncertainty : 0.013 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.06 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.707 b/a = 0.71 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.33 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 119.4 deg [J2000] 119 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 : 144.3791998423 32.8414102624 (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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