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Date and Time of the Query: 2019-05-22 T20:59:57 PDT
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Diameter data point(s) for object NGC 3958

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
1.40 arcmin 0.55 arcmin ... ... ... ... 28
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 84.00 ... 0.39 0.61 0.73 67 28
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
38.6 (a) arcsec ... ... 0.400 (b/a) ... ... ... 30
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 77.20 ... 0.40 0.60 0.72 66 30
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
56.9 (a) arcsec ... ... 0.400 (b/a) ... ... ... 30
[J2000]
Diameter for "total" magnitude 1.38E+14 113.90 ... 0.40 0.60 0.72 66 30
[J2000]
4 POSS1 103a-O
1962MCG1..C...0000V
0.85 arcmin 0.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 51.00 ... 0.35 0.65 0.78 69 ...
5 POSS1 103a-O
1962MCG1..C...0000V
1.30 arcmin 0.50 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 78.00 ... 0.39 0.61 0.74 67 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.17 log(2a) + 1 ... ... 0.35
log(a/b)
0.04 ... ... 28
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 88.70 8.60 0.45 0.55 0.67 63 28
[J2000]
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.17 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 88.70 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2004SDSS3.C...0000:
54.53 (a) arcsec 22.11 arcsec ... ... ... ... 32.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 109.05 ... 0.41 0.59 0.72 66 33
[J2000]
9 r (SDSS Petrosian)
2004SDSS3.C...0000:
9.82 (a) arcsec ... ... ... 0.64 ... ... ... ... 4.77E+14 19.63 1.27 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2004SDSS3.C...0000:
6.08 (a) arcsec ... ... 0.499 (b/a) 0.04 ... ... 30.8
[J2000]
... 4.77E+14 12.15 0.08 0.50 0.50 0.60 60 31
[J2000]
11 r (SDSS Exponential)
2004SDSS3.C...0000:
4.89 (a) arcsec ... ... 0.475 (b/a) 0.02 ... ... 30.3
[J2000]
... 4.77E+14 9.78 0.04 0.47 0.53 0.63 62 30
[J2000]
12 r (SDSS Isophotal)
2007SDSS6.C...0000:
54.53 (a) arcsec 22.11 arcsec ... ... ... ... 32.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 109.05 ... 0.41 0.59 0.72 66 33
[J2000]
13 r (SDSS Petrosian)
2007SDSS6.C...0000:
9.82 (a) arcsec ... ... ... 0.637 ... ... ... ... 4.77E+14 19.63 1.27 ... ... ... ... ...
14 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
6.0767 (a) arcsec ... ... 0.499 (b/a) 0.039 ... ... 30.8
[J2000]
... 4.77E+14 12.15 0.08 0.50 0.50 0.60 60 31
[J2000]
15 r (SDSS Exponential)
2007SDSS6.C...0000:
4.8896 (a) arcsec ... ... 0.475 (b/a) 0.022 ... ... 30.3
[J2000]
... 4.77E+14 9.78 0.04 0.47 0.53 0.63 62 30
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 06880                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.40       arcmin                   2a = 84.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.55      arcmin              2b = 33.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.39
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.61
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.73
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 67 deg
Position Angle [Equinox]      :  28    deg [B1950]                  28 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          : 115154.         +584000.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11543369+5822012 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 38.6 arcsec 2a = 77.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 30.88 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.400 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 30 deg [J2000] 30 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 : 178.640335 58.367001 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11543369+5822012 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 56.9 arcsec 2a = 113.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 45.56 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.400 b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 30 deg [J2000] 30 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 : 178.640335 58.367001 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +10-17-098 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.85 arcmin 2a = 51.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.35 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.65 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.78 Uncertainty : ... ... Cos-1(b/a) : ... 69 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 : 115154 +5839 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +10-17-098 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.30 arcmin 2a = 78.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.39 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.61 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.74 Uncertainty : ... ... Cos-1(b/a) : ... 67 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Moderate 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 : 115154 +5839 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 06880 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.17 2a = 88.70 arcsec Uncertainty : 0.04 8.60 arcsec Minor Axis (2b) : ... 2b = 39.65 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.35 b/a = 0.45 Uncertainty : 0.03 0.03 Ellipticity : ... 1 - b/a = 0.55 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.67 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 28 deg [J2000] 28 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 : 115434.5 +582202. (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 06880 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.17 2a = 88.70 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 : 115434.5 +582202. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 8 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J115433.68+582201.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 54.53 arcsec 2a = 109.05 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 22.11 arcsec 2b = 44.22 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 32.5 deg [J2000] 33 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 : 178.6403351 58.3670387 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J115433.68+582201.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 9.82 arcsec 2a = 19.63 arcsec Uncertainty : 0.64 arcsec 1.27 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 : 178.6403351 58.3670387 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J115433.68+582201.3 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 6.08 arcsec 2a = 12.15 arcsec Uncertainty : 0.04 arcsec 0.08 arcsec Minor Axis (2b) : ... 2b = 6.06 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.499 b/a = 0.50 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 30.8 deg [J2000] 31 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 : 178.6403351 58.3670387 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J115433.68+582201.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.89 arcsec 2a = 9.78 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.65 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.475 b/a = 0.47 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.63 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 30.3 deg [J2000] 30 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 : 178.6403351 58.3670387 (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 J115433.67+582201.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 54.53 arcsec 2a = 109.05 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 22.11 arcsec 2b = 44.22 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 32.5 deg [J2000] 33 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 : 178.6403290677 58.3670356494 (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 J115433.67+582201.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 9.82 arcsec 2a = 19.63 arcsec Uncertainty : 0.637 arcsec 1.27 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 : 178.6403290677 58.3670356494 (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 J115433.67+582201.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 6.0767 arcsec 2a = 12.15 arcsec Uncertainty : 0.039 arcsec 0.08 arcsec Minor Axis (2b) : ... 2b = 6.06 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.499 b/a = 0.50 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 30.8 deg [J2000] 31 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 : 178.6403290677 58.3670356494 (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 J115433.67+582201.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.8896 arcsec 2a = 9.78 arcsec Uncertainty : 0.022 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.65 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.475 b/a = 0.47 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.63 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 30.3 deg [J2000] 30 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 : 178.6403290677 58.3670356494 (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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