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Date and Time of the Query: 2019-05-26 T11:35:08 PDT
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Diameter data point(s) for object NGC 0191A

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
1968MCG4..C...0000V
0.50 arcmin 0.20 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 30.00 ... 0.40 0.60 0.72 66 ...
2 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.83 log(2a) + 1 ... ... 0.28
log(a/b)
0.09 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 40.60 9.30 0.53 0.47 0.57 58 ...
3 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.81 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 38.70 ... ... ... ... ... ...
4 r (SDSS Isophotal)
2004SDSS2.C...0000:
29.49 (a) arcsec 17.27 arcsec ... ... ... ... 151.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 58.98 ... 0.59 0.41 0.49 54 152
[J2000]
5 r (SDSS Petrosian)
2004SDSS2.C...0000:
3.07 (a) arcsec ... ... ... 0.61 ... ... ... ... 4.77E+14 6.13 1.21 ... ... ... ... ...
6 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
2.21 (a) arcsec ... ... 0.374 (b/a) 0.01 ... ... 147.1
[J2000]
... 4.77E+14 4.41 0.03 0.37 0.63 0.75 68 147
[J2000]
7 r (SDSS Exponential)
2004SDSS2.C...0000:
1.60 (a) arcsec ... ... 0.362 (b/a) 0.01 ... ... 147.0
[J2000]
... 4.77E+14 3.20 0.02 0.36 0.64 0.77 69 147
[J2000]
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
29.49 (a) arcsec 17.27 arcsec ... ... ... ... 151.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 58.98 ... 0.59 0.41 0.49 54 152
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
3.07 (a) arcsec ... ... ... 0.607 ... ... ... ... 4.77E+14 6.13 1.21 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.2068 (a) arcsec ... ... 0.374 (b/a) 0.013 ... ... 147.1
[J2000]
... 4.77E+14 4.41 0.03 0.37 0.63 0.75 68 147
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
1.6017 (a) arcsec ... ... 0.362 (b/a) 0.008 ... ... 147.0
[J2000]
... 4.77E+14 3.20 0.02 0.36 0.64 0.77 69 147
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1968MCG4..C...0000V
Published Object Name         : MCG -02-02-076                
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 0.50       arcmin                   2a = 30.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.20      arcmin              2b = 12.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 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]      : ...                                 ...
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         : "Outer" diameter
Coordinates Targeted          : 003630          -0917    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG -02-02-076 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.83 2a = 40.60 arcsec Uncertainty : 0.09 9.30 arcsec Minor Axis (2b) : ... 2b = 21.32 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.28 b/a = 0.53 Uncertainty : 0.05 0.06 Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : ... ... 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 : 003900.2 -090052. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG -02-02-076 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.81 2a = 38.70 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 : 003900.2 -090052. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J003900.24-090052.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 29.49 arcsec 2a = 58.98 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 17.27 arcsec 2b = 34.54 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 151.7 deg [J2000] 152 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 : 9.7510080 -9.0145807 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J003900.24-090052.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.07 arcsec 2a = 6.13 arcsec Uncertainty : 0.61 arcsec 1.21 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 : 9.7510080 -9.0145807 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J003900.24-090052.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.21 arcsec 2a = 4.41 arcsec Uncertainty : 0.01 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 1.65 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.374 b/a = 0.37 Uncertainty : 0.003 0.00 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] : 147.1 deg [J2000] 147 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 : 9.7510080 -9.0145807 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J003900.24-090052.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.60 arcsec 2a = 3.20 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.362 b/a = 0.36 Uncertainty : 0.002 0.00 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] : 147.0 deg [J2000] 147 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 : 9.7510080 -9.0145807 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J003900.24-090052.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 29.49 arcsec 2a = 58.98 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 17.27 arcsec 2b = 34.54 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.59 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.41 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 151.7 deg [J2000] 152 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 : 9.7510078963 -9.0145806841 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J003900.24-090052.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.07 arcsec 2a = 6.13 arcsec Uncertainty : 0.607 arcsec 1.21 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 : 9.7510078963 -9.0145806841 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J003900.24-090052.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.2068 arcsec 2a = 4.41 arcsec Uncertainty : 0.013 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 1.65 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.374 b/a = 0.37 Uncertainty : 0.003 0.00 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] : 147.1 deg [J2000] 147 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 : 9.7510078963 -9.0145806841 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J003900.24-090052.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.6017 arcsec 2a = 3.20 arcsec Uncertainty : 0.008 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.362 b/a = 0.36 Uncertainty : 0.002 0.00 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] : 147.0 deg [J2000] 147 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 : 9.7510078963 -9.0145806841 (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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