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Date and Time of the Query: 2019-08-25 T17:52:57 PDT
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Diameter data point(s) for object NGC 4629

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
1.50 arcmin 1.50 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 90.00 ... 1.00 0.00 0.00 0 ...
2 K_s (2MASS isophotal)
20032MASX.C.......:
15.9 (a) arcsec ... ... 0.940 (b/a) ... ... ... 80
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 31.80 ... 0.94 0.06 0.06 20 80
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
24.4 (a) arcsec ... ... 0.940 (b/a) ... ... ... 80
[J2000]
Diameter for "total" magnitude 1.38E+14 48.70 ... 0.94 0.06 0.06 20 80
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
0.50 arcmin 0.40 arcmin ... ... ... ... ... ... 7.40E+14 30.00 ... 0.80 0.20 0.22 37 ...
5 POSS1 103a-O
1963MCG3..C...0000V
1.10 arcmin 1.00 arcmin ... ... ... ... ... High surface brightness 7.40E+14 66.00 ... 0.91 0.09 0.10 25 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.14 log(2a) + 1 ... ... 0.05
log(a/b)
0.04 ... ... 80
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 82.80 8.00 0.89 0.11 0.11 27 80
[J2000]
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.14 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 82.80 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2004SDSS2.C...0000:
41.89 (a) arcsec 27.59 arcsec ... ... ... ... 111.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 83.79 ... 0.66 0.34 0.39 49 111
[J2000]
9 r (SDSS Petrosian)
2004SDSS2.C...0000:
11.47 (a) arcsec ... ... ... 0.21 ... ... ... ... 4.77E+14 22.93 0.42 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.987 (b/a) 0.23 ... ... 100.4
[J2000]
... 4.77E+14 23.50 0.46 0.99 0.01 0.01 9 100
[J2000]
11 r (SDSS Exponential)
2004SDSS2.C...0000:
6.43 (a) arcsec ... ... 0.733 (b/a) 0.03 ... ... 93.5
[J2000]
... 4.77E+14 12.86 0.06 0.73 0.27 0.30 43 94
[J2000]
12 r (SDSS Isophotal)
2007SDSS6.C...0000:
41.89 (a) arcsec 27.59 arcsec ... ... ... ... 111.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 83.79 ... 0.66 0.34 0.39 49 111
[J2000]
13 r (SDSS Petrosian)
2007SDSS6.C...0000:
11.47 (a) arcsec ... ... ... 0.209 ... ... ... ... 4.77E+14 22.93 0.42 ... ... ... ... ...
14 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7476 (a) arcsec ... ... 0.987 (b/a) 0.231 ... ... 100.4
[J2000]
... 4.77E+14 23.50 0.46 0.99 0.01 0.01 9 100
[J2000]
15 r (SDSS Exponential)
2007SDSS6.C...0000:
6.4323 (a) arcsec ... ... 0.733 (b/a) 0.030 ... ... 93.5
[J2000]
... 4.77E+14 12.87 0.06 0.73 0.27 0.30 43 94
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07869                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.50       arcmin                   2a = 90.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.50      arcmin              2b = 90.00 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      : 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          : 124000.         -010500.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12423272-0121021 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 15.9 arcsec 2a = 31.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 29.89 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.940 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 20 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 : 190.636307 -1.350600 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12423272-0121021 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 24.4 arcsec 2a = 48.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 45.78 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.940 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 20 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 : 190.636307 -1.350600 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-32-037 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.50 arcmin 2a = 30.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 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 : ... 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 : 124000 -0105 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-32-037 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.10 arcmin 2a = 66.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.00 arcmin 2b = 60.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.91 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.09 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 25 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 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 : "Outer" diameter Coordinates Targeted : 124000 -0105 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07869 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.14 2a = 82.80 arcsec Uncertainty : 0.04 8.00 arcsec Minor Axis (2b) : ... 2b = 73.77 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.05 b/a = 0.89 Uncertainty : 0.04 0.09 Ellipticity : ... 1 - b/a = 0.11 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.11 Uncertainty : ... ... Cos-1(b/a) : ... 27 deg Position Angle [Equinox] : 80 deg [J2000] 80 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 : 124232.3 -012103. (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 07869 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.14 2a = 82.80 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 : 124232.3 -012103. (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 J124232.67-012102.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 41.89 arcsec 2a = 83.79 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 27.59 arcsec 2b = 55.19 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 111.4 deg [J2000] 111 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 : 190.6361389 -1.3506663 (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 J124232.67-012102.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 11.47 arcsec 2a = 22.93 arcsec Uncertainty : 0.21 arcsec 0.42 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 : 190.6361389 -1.3506663 (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 J124232.67-012102.4 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.23 arcsec 0.46 arcsec Minor Axis (2b) : ... 2b = 23.19 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.987 b/a = 0.99 Uncertainty : 0.012 0.01 Ellipticity : ... 1 - b/a = 0.01 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.01 Uncertainty : ... ... Cos-1(b/a) : ... 9 deg Position Angle [Equinox] : 100.4 deg [J2000] 100 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 : 190.6361389 -1.3506663 (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 J124232.67-012102.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 6.43 arcsec 2a = 12.86 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 9.43 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.733 b/a = 0.73 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 93.5 deg [J2000] 94 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 : 190.6361389 -1.3506663 (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 J124232.67-012102.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 41.89 arcsec 2a = 83.79 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 27.59 arcsec 2b = 55.19 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 111.4 deg [J2000] 111 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 : 190.6361404445 -1.3506663043 (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 J124232.67-012102.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 11.47 arcsec 2a = 22.93 arcsec Uncertainty : 0.209 arcsec 0.42 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 : 190.6361404445 -1.3506663043 (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 J124232.67-012102.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7476 arcsec 2a = 23.50 arcsec Uncertainty : 0.231 arcsec 0.46 arcsec Minor Axis (2b) : ... 2b = 23.19 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.987 b/a = 0.99 Uncertainty : 0.012 0.01 Ellipticity : ... 1 - b/a = 0.01 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.01 Uncertainty : ... ... Cos-1(b/a) : ... 9 deg Position Angle [Equinox] : 100.4 deg [J2000] 100 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 : 190.6361404445 -1.3506663043 (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 J124232.67-012102.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 6.4323 arcsec 2a = 12.87 arcsec Uncertainty : 0.030 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 9.43 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.733 b/a = 0.73 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 93.5 deg [J2000] 94 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 : 190.6361404445 -1.3506663043 (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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