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Date and Time of the Query: 2019-05-26 T10:50:09 PDT
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Diameter data point(s) for object MCG +09-20-176

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 K_s (2MASS isophotal)
20032MASX.C.......:
19.9 (a) arcsec ... ... 0.520 (b/a) ... ... ... -45
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 39.80 ... 0.52 0.48 0.57 59 135
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
40.3 (a) arcsec ... ... 0.520 (b/a) ... ... ... -45
[J2000]
Diameter for "total" magnitude 1.38E+14 80.70 ... 0.52 0.48 0.57 59 135
[J2000]
3 POSS1 103a-O
1962MCG1..C...0000V
0.25 arcmin 0.25 arcmin ... ... ... ... ... High surface brightness 7.40E+14 15.00 ... 1.00 0.00 0.00 0 ...
4 POSS1 103a-O
1962MCG1..C...0000V
1.00 arcmin 0.30 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 60.00 ... 0.30 0.70 0.83 73 ...
5 r (SDSS Isophotal)
2004SDSS3.C...0000:
29.95 (a) arcsec 12.55 arcsec ... ... ... ... 129.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 59.91 ... 0.42 0.58 0.70 65 129
[J2000]
6 r (SDSS Petrosian)
2004SDSS3.C...0000:
7.16 (a) arcsec ... ... ... 1.42 ... ... ... ... 4.77E+14 14.32 2.84 ... ... ... ... ...
7 r (SDSS de Vaucouleurs)
2004SDSS3.C...0000:
3.03 (a) arcsec ... ... 0.561 (b/a) 0.03 ... ... 127.5
[J2000]
... 4.77E+14 6.06 0.06 0.56 0.44 0.52 56 128
[J2000]
8 r (SDSS Exponential)
2004SDSS3.C...0000:
2.23 (a) arcsec ... ... 0.569 (b/a) 0.01 ... ... 128.7
[J2000]
... 4.77E+14 4.46 0.02 0.57 0.43 0.51 55 129
[J2000]
9 r (SDSS Isophotal)
2007SDSS6.C...0000:
29.95 (a) arcsec 12.55 arcsec ... ... ... ... 129.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 59.91 ... 0.42 0.58 0.70 65 129
[J2000]
10 r (SDSS Petrosian)
2007SDSS6.C...0000:
7.16 (a) arcsec ... ... ... 1.418 ... ... ... ... 4.77E+14 14.32 2.84 ... ... ... ... ...
11 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
3.0288 (a) arcsec ... ... 0.561 (b/a) 0.029 ... ... 127.5
[J2000]
... 4.77E+14 6.06 0.06 0.56 0.44 0.52 56 128
[J2000]
12 r (SDSS Exponential)
2007SDSS6.C...0000:
2.2307 (a) arcsec ... ... 0.569 (b/a) 0.011 ... ... 128.7
[J2000]
... 4.77E+14 4.46 0.02 0.57 0.43 0.51 55 129
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12263005+5410454       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 19.9       arcsec               2a = 39.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 20.70 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.520                         b/a = 0.52
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.48
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.57
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 59 deg
Position Angle [Equinox]      :  -45   deg [J2000]                  135 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          : 186.625122      54.179222    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12263005+5410454 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 40.3 arcsec 2a = 80.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 41.96 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.520 b/a = 0.52 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.48 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : -45 deg [J2000] 135 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 : 186.625122 54.179222 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +09-20-176 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.25 arcmin 2a = 15.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.25 arcmin 2b = 15.00 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 : 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 : 122400 +5428 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +09-20-176 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.30 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.83 Uncertainty : ... ... Cos-1(b/a) : ... 73 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 : 122400 +5428 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122629.99+541045.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 29.95 arcsec 2a = 59.91 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 12.55 arcsec 2b = 25.10 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.42 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.58 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.70 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : 129.4 deg [J2000] 129 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 : 186.6249542 54.1792259 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J122629.99+541045.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.16 arcsec 2a = 14.32 arcsec Uncertainty : 1.42 arcsec 2.84 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 : 186.6249542 54.1792259 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J122629.99+541045.2 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 3.03 arcsec 2a = 6.06 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 3.40 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.561 b/a = 0.56 Uncertainty : 0.004 0.00 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] : 127.5 deg [J2000] 128 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 : 186.6249542 54.1792259 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J122629.99+541045.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.23 arcsec 2a = 4.46 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.54 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.569 b/a = 0.57 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.51 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : 128.7 deg [J2000] 129 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 : 186.6249542 54.1792259 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J122629.98+541045.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 29.95 arcsec 2a = 59.91 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 12.55 arcsec 2b = 25.10 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.42 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.58 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.70 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : 129.4 deg [J2000] 129 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 : 186.6249544974 54.1792228146 (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 J122629.98+541045.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.16 arcsec 2a = 14.32 arcsec Uncertainty : 1.418 arcsec 2.84 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 : 186.6249544974 54.1792228146 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J122629.98+541045.2 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 3.0288 arcsec 2a = 6.06 arcsec Uncertainty : 0.029 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 3.40 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.561 b/a = 0.56 Uncertainty : 0.004 0.00 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] : 127.5 deg [J2000] 128 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 : 186.6249544974 54.1792228146 (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 J122629.98+541045.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.2307 arcsec 2a = 4.46 arcsec Uncertainty : 0.011 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.54 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.569 b/a = 0.57 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.51 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : 128.7 deg [J2000] 129 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 : 186.6249544974 54.1792228146 (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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