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Date and Time of the Query: 2019-05-21 T05:47:30 PDT
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Diameter data point(s) for object NGC 0201

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
2.30 arcmin 2.10 arcmin ... ... ... ... 155
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 138.00 ... 0.91 0.09 0.09 24 155
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
39.3 (a) arcsec ... ... 0.560 (b/a) ... ... ... -30
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 78.60 ... 0.56 0.44 0.52 56 150
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
92.3 (a) arcsec ... ... 0.560 (b/a) ... ... ... -30
[J2000]
Diameter for "total" magnitude 1.38E+14 184.60 ... 0.56 0.44 0.52 56 150
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
0.13 arcmin 0.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 7.80 ... 2.31 -1.31 0.68 0 ...
5 POSS1 103a-O
1963MCG3..C...0000V
1.70 arcmin 1.30 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 102.00 ... 0.77 0.23 0.26 40 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.26 log(2a) + 1 ... ... 0.10
log(a/b)
0.03 ... ... 155
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 109.20 7.80 0.79 0.21 0.23 37 155
[J2000]
7 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.91 log(2a) + 1 ... ... ... 0.01 ... ... ... ... 6.81E+14 48.80 1.10 ... ... ... ... ...
8 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.26 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 109.20 ... ... ... ... ... ...
9 r (SDSS Isophotal)
2004SDSS2.C...0000:
56.60 (a) arcsec 38.01 arcsec ... ... ... ... 158.9
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 113.20 ... 0.67 0.33 0.38 48 159
[J2000]
10 r (SDSS Petrosian)
2004SDSS2.C...0000:
27.05 (a) arcsec ... ... ... ... ... ... ... ... 4.77E+14 54.10 ... ... ... ... ... ...
11 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.778 (b/a) 0.04 ... ... 137.3
[J2000]
... 4.77E+14 23.50 0.09 0.78 0.22 0.25 39 137
[J2000]
12 r (SDSS Exponential)
2004SDSS2.C...0000:
9.09 (a) arcsec ... ... 0.672 (b/a) 0.05 ... ... 140.8
[J2000]
... 4.77E+14 18.18 0.09 0.67 0.33 0.38 48 141
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 00419                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.30       arcmin                   2a = 138.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  2.10      arcmin              2b = 126.00 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] = 0.09
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 24 deg
Position Angle [Equinox]      : 155    deg [B1950]                  155 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          : 003706.         +003500.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J00393485+0051355 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 39.3 arcsec 2a = 78.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 44.02 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.560 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] : -30 deg [J2000] 150 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 : 9.895195 0.859915 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J00393485+0051355 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 92.3 arcsec 2a = 184.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 103.38 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.560 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] : -30 deg [J2000] 150 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 : 9.895195 0.859915 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-02-115 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.13 arcmin 2a = 7.80 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 2.31 Uncertainty : ... ... Ellipticity : ... 1 - b/a = -1.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.68 Uncertainty : ... ... Cos-1(b/a) : ... 0 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 : 003700 +0035 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-02-115 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.70 arcmin 2a = 102.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.30 arcmin 2b = 78.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.77 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.23 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.26 Uncertainty : ... ... Cos-1(b/a) : ... 40 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 : 003700 +0035 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 00419 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.26 2a = 109.20 arcsec Uncertainty : 0.03 7.80 arcsec Minor Axis (2b) : ... 2b = 86.70 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.10 b/a = 0.79 Uncertainty : 0.04 0.08 Ellipticity : ... 1 - b/a = 0.21 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.23 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : 155 deg [J2000] 155 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 : 003935.0 +005135. (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 00419 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.91 2a = 48.80 arcsec Uncertainty : 0.01 1.10 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... 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 : 003935.0 +005135. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 8 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 00419 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.26 2a = 109.20 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 : 003935.0 +005135. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 9 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J003934.83+005135.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 56.60 arcsec 2a = 113.20 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 38.01 arcsec 2b = 76.02 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.67 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 158.9 deg [J2000] 159 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 : 9.8951406 0.8599709 (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 J003934.83+005135.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 27.05 arcsec 2a = 54.10 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 : ... 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 : 9.8951406 0.8599709 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 11 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J003934.83+005135.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.04 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 18.28 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.778 b/a = 0.78 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.25 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : 137.3 deg [J2000] 137 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 : 9.8951406 0.8599709 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J003934.83+005135.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 9.09 arcsec 2a = 18.18 arcsec Uncertainty : 0.05 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 12.22 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.672 b/a = 0.67 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : 140.8 deg [J2000] 141 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 : 9.8951406 0.8599709 (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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