NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-19 T03:52:15 PDT
Help | Comment | NED Home

Diameter data point(s) for object NGC 5238

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
2.00 arcmin 1.60 arcmin ... ... ... ... 160
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 120.00 ... 0.80 0.20 0.22 37 160
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
7.6 (a) arcsec ... ... 0.360 (b/a) ... ... ... -25
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 15.20 ... 0.36 0.64 0.77 69 155
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
7.6 (a) arcsec ... ... 0.360 (b/a) ... ... ... -25
[J2000]
Diameter for "total" magnitude 1.38E+14 15.20 ... 0.36 0.64 0.77 69 155
[J2000]
4 POSS1 103a-O
1962MCG1..C...0000V
0.60 arcmin 0.50 arcmin ... ... ... ... ... High surface brightness 7.40E+14 36.00 ... 0.83 0.17 0.18 34 ...
5 POSS1 103a-O
1962MCG1..C...0000V
1.50 arcmin 1.30 arcmin ... ... ... ... ... Very low surface brightness 7.40E+14 90.00 ... 0.87 0.13 0.14 30 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.23 log(2a) + 1 ... ... 0.07
log(a/b)
0.06 ... ... 160
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 101.90 15.10 0.85 0.15 0.16 32 160
[J2000]
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.23 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 101.90 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2006SDSS5.C...0000:
50.01 (a) arcsec 34.50 arcsec ... ... ... ... 170.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 100.02 ... 0.69 0.31 0.35 46 170
[J2000]
9 r (SDSS Petrosian)
2006SDSS5.C...0000:
17.95 (a) arcsec ... ... ... 0.34 ... ... ... ... 4.77E+14 35.89 0.67 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
11.75 (a) arcsec ... ... 0.897 (b/a) 0.21 ... ... 162.1
[J2000]
... 4.77E+14 23.50 0.42 0.90 0.10 0.11 26 162
[J2000]
11 r (SDSS Exponential)
2006SDSS5.C...0000:
11.71 (a) arcsec ... ... 0.589 (b/a) 0.09 ... ... 160.8
[J2000]
... 4.77E+14 23.43 0.18 0.59 0.41 0.48 54 161
[J2000]
12 r (SDSS Isophotal)
2007SDSS6.C...0000:
50.01 (a) arcsec 34.50 arcsec ... ... ... ... 170.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 100.02 ... 0.69 0.31 0.35 46 170
[J2000]
13 r (SDSS Petrosian)
2007SDSS6.C...0000:
17.95 (a) arcsec ... ... ... 0.336 ... ... ... ... 4.77E+14 35.89 0.67 ... ... ... ... ...
14 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7496 (a) arcsec ... ... 0.897 (b/a) 0.212 ... ... 162.1
[J2000]
... 4.77E+14 23.50 0.42 0.90 0.10 0.11 26 162
[J2000]
15 r (SDSS Exponential)
2007SDSS6.C...0000:
11.7132 (a) arcsec ... ... 0.589 (b/a) 0.090 ... ... 160.8
[J2000]
... 4.77E+14 23.43 0.18 0.59 0.41 0.48 54 161
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 08565                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.00       arcmin                   2a = 120.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.60      arcmin              2b = 96.00 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]      : 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          : 133242.         +515300.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Minor diameter flagged uncertain.       

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13344249+5136494 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 7.6 arcsec 2a = 15.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 5.47 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.360 b/a = 0.36 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.64 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.77 Uncertainty : ... ... Cos-1(b/a) : ... 69 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 : 203.677216 51.613701 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13344249+5136494 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 7.6 arcsec 2a = 15.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 5.47 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.360 b/a = 0.36 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.64 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.77 Uncertainty : ... ... Cos-1(b/a) : ... 69 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 : 203.677216 51.613701 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +09-22-082 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 : 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 : 133236 +5151 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +09-22-082 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.50 arcmin 2a = 90.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.30 arcmin 2b = 78.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.87 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.13 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.14 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Very 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 : 133236 +5151 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 08565 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.23 2a = 101.90 arcsec Uncertainty : 0.06 15.10 arcsec Minor Axis (2b) : ... 2b = 86.72 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.07 b/a = 0.85 Uncertainty : 0.06 0.13 Ellipticity : ... 1 - b/a = 0.15 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.16 Uncertainty : ... ... Cos-1(b/a) : ... 32 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 : 133442.8 +513650. (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 08565 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.23 2a = 101.90 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 : 133442.8 +513650. (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 J133442.51+513649.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 50.01 arcsec 2a = 100.02 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 34.50 arcsec 2b = 69.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.69 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.35 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 170.2 deg [J2000] 170 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 : 203.6771240 51.6136780 (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 J133442.51+513649.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 17.95 arcsec 2a = 35.89 arcsec Uncertainty : 0.34 arcsec 0.67 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 : 203.6771240 51.6136780 (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 J133442.51+513649.2 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.21 arcsec 0.42 arcsec Minor Axis (2b) : ... 2b = 21.08 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.897 b/a = 0.90 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.11 Uncertainty : ... ... Cos-1(b/a) : ... 26 deg Position Angle [Equinox] : 162.1 deg [J2000] 162 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 : 203.6771240 51.6136780 (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 J133442.51+513649.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 11.71 arcsec 2a = 23.43 arcsec Uncertainty : 0.09 arcsec 0.18 arcsec Minor Axis (2b) : ... 2b = 13.80 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.589 b/a = 0.59 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.48 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 160.8 deg [J2000] 161 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 : 203.6771240 51.6136780 (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 J133442.51+513649.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 50.01 arcsec 2a = 100.02 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 34.50 arcsec 2b = 69.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.69 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.35 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 170.2 deg [J2000] 170 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 : 203.6771376619 51.6136795535 (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 J133442.51+513649.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 17.95 arcsec 2a = 35.89 arcsec Uncertainty : 0.336 arcsec 0.67 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 : 203.6771376619 51.6136795535 (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 J133442.51+513649.2 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7496 arcsec 2a = 23.50 arcsec Uncertainty : 0.212 arcsec 0.42 arcsec Minor Axis (2b) : ... 2b = 21.08 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.897 b/a = 0.90 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.11 Uncertainty : ... ... Cos-1(b/a) : ... 26 deg Position Angle [Equinox] : 162.1 deg [J2000] 162 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 : 203.6771376619 51.6136795535 (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 J133442.51+513649.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 11.7132 arcsec 2a = 23.43 arcsec Uncertainty : 0.090 arcsec 0.18 arcsec Minor Axis (2b) : ... 2b = 13.80 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.589 b/a = 0.59 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.48 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 160.8 deg [J2000] 161 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 : 203.6771376619 51.6136795535 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

Back to NED Home