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Date and Time of the Query: 2019-06-18 T08:14:06 PDT
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Diameter data point(s) for object NGC 5740

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
3.20 arcmin 1.80 arcmin ... ... ... ... 160
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 192.00 ... 0.56 0.44 0.52 56 160
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
54.6 (a) arcsec ... ... 0.520 (b/a) ... ... ... -25
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 109.20 ... 0.52 0.48 0.57 59 155
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
77.4 (a) arcsec ... ... 0.520 (b/a) ... ... ... -25
[J2000]
Diameter for "total" magnitude 1.38E+14 154.90 ... 0.52 0.48 0.57 59 155
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
0.25 arcmin 0.20 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 15.00 ... 0.80 0.20 0.22 37 ...
5 POSS1 103a-O
1963MCG3..C...0000V
2.20 arcmin 1.20 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 132.00 ... 0.55 0.45 0.54 57 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.47 log(2a) + 1 ... ... 0.29
log(a/b)
0.02 ... ... 160
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 177.10 8.30 0.51 0.49 0.58 59 160
[J2000]
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.48 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 181.20 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2004SDSS2.C...0000:
80.76 (a) arcsec 30.17 arcsec ... ... ... ... 165.3
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 161.53 ... 0.37 0.63 0.75 68 165
[J2000]
9 r (SDSS Petrosian)
2004SDSS2.C...0000:
14.96 (a) arcsec ... ... ... 1.00 ... ... ... ... 4.77E+14 29.93 2.00 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
7.47 (a) arcsec ... ... 0.600 (b/a) 0.05 ... ... 154.1
[J2000]
... 4.77E+14 14.94 0.10 0.60 0.40 0.47 53 154
[J2000]
11 r (SDSS Exponential)
2004SDSS2.C...0000:
7.02 (a) arcsec ... ... 0.547 (b/a) 0.03 ... ... 153.7
[J2000]
... 4.77E+14 14.04 0.06 0.55 0.45 0.54 57 154
[J2000]
12 r (SDSS Isophotal)
2007SDSS6.C...0000:
80.76 (a) arcsec 30.17 arcsec ... ... ... ... 165.3
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 161.53 ... 0.37 0.63 0.75 68 165
[J2000]
13 r (SDSS Petrosian)
2007SDSS6.C...0000:
14.96 (a) arcsec ... ... ... 0.999 ... ... ... ... 4.77E+14 29.93 2.00 ... ... ... ... ...
14 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
7.4702 (a) arcsec ... ... 0.600 (b/a) 0.051 ... ... 154.1
[J2000]
... 4.77E+14 14.94 0.10 0.60 0.40 0.47 53 154
[J2000]
15 r (SDSS Exponential)
2007SDSS6.C...0000:
7.0192 (a) arcsec ... ... 0.547 (b/a) 0.028 ... ... 153.7
[J2000]
... 4.77E+14 14.04 0.06 0.55 0.45 0.54 57 154
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 09493                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 3.20       arcmin                   2a = 192.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.80      arcmin              2b = 108.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.56
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.44
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.52
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 56 deg
Position Angle [Equinox]      : 160    deg [B1950]                  160 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          : 144154.         +015400.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14442442+0140468 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 54.6 arcsec 2a = 109.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 56.78 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] : -25 deg [J2000] 155 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 : 221.101776 1.679731 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14442442+0140468 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 77.4 arcsec 2a = 154.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 80.55 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] : -25 deg [J2000] 155 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 : 221.101776 1.679731 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-38-003 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.25 arcmin 2a = 15.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 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] : ... ... 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 : 144154 +0154 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-38-003 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.20 arcmin 2a = 132.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.20 arcmin 2b = 72.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.55 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.45 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.54 Uncertainty : ... ... Cos-1(b/a) : ... 57 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 : 144154 +0154 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 09493 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.47 2a = 177.10 arcsec Uncertainty : 0.02 8.30 arcsec Minor Axis (2b) : ... 2b = 90.85 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.29 b/a = 0.51 Uncertainty : 0.02 0.02 Ellipticity : ... 1 - b/a = 0.49 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.58 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 160 deg [J2000] 160 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 : 144424.6 +014046. (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 09493 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.48 2a = 181.20 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 : 144424.6 +014046. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 8 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J144424.45+014047.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 80.76 arcsec 2a = 161.53 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 30.17 arcsec 2b = 60.34 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.37 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.63 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 165.3 deg [J2000] 165 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 : 221.1018524 1.6797715 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J144424.45+014047.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 14.96 arcsec 2a = 29.93 arcsec Uncertainty : 1.00 arcsec 2.00 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 : 221.1018524 1.6797715 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J144424.45+014047.2 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 7.47 arcsec 2a = 14.94 arcsec Uncertainty : 0.05 arcsec 0.10 arcsec Minor Axis (2b) : ... 2b = 8.96 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.600 b/a = 0.60 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : 154.1 deg [J2000] 154 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 : 221.1018524 1.6797715 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J144424.45+014047.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 7.02 arcsec 2a = 14.04 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 7.68 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.547 b/a = 0.55 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.45 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.54 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 153.7 deg [J2000] 154 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 : 221.1018524 1.6797715 (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 J144424.44+014047.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 80.76 arcsec 2a = 161.53 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 30.17 arcsec 2b = 60.34 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.37 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.63 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 165.3 deg [J2000] 165 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 : 221.1018642636 1.6797715410 (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 J144424.44+014047.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 14.96 arcsec 2a = 29.93 arcsec Uncertainty : 0.999 arcsec 2.00 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 : 221.1018642636 1.6797715410 (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 J144424.44+014047.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 7.4702 arcsec 2a = 14.94 arcsec Uncertainty : 0.051 arcsec 0.10 arcsec Minor Axis (2b) : ... 2b = 8.96 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.600 b/a = 0.60 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : 154.1 deg [J2000] 154 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 : 221.1018642636 1.6797715410 (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 J144424.44+014047.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 7.0192 arcsec 2a = 14.04 arcsec Uncertainty : 0.028 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 7.68 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.547 b/a = 0.55 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.45 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.54 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 153.7 deg [J2000] 154 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 : 221.1018642636 1.6797715410 (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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