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Date and Time of the Query: 2019-08-21 T18:09:07 PDT
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Diameter data point(s) for object NGC 5173

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
1.00 arcmin 1.00 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 60.00 ... 1.00 0.00 0.00 0 ...
2 K_s (2MASS isophotal)
20032MASX.C.......:
20.7 (a) arcsec ... ... 0.880 (b/a) ... ... ... -50
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 41.40 ... 0.88 0.12 0.13 28 130
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
33.4 (a) arcsec ... ... 0.880 (b/a) ... ... ... -50
[J2000]
Diameter for "total" magnitude 1.38E+14 66.80 ... 0.88 0.12 0.13 28 130
[J2000]
4 POSS1 103a-O
1962MCG1..C...0000V
0.60 arcmin 0.50 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 36.00 ... 0.83 0.17 0.18 34 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.25 log(2a) + 1 ... ... 0.03
log(a/b)
0.07 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 106.70 18.70 0.93 0.07 0.07 21 ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.24 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 104.30 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2005SDSS4.C...0000:
32.16 (a) arcsec 31.13 arcsec ... ... ... ... 43.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 64.31 ... 0.97 0.03 0.03 15 44
[J2000]
8 r (SDSS Petrosian)
2005SDSS4.C...0000:
5.43 (a) arcsec ... ... ... 0.07 ... ... ... ... 4.77E+14 10.86 0.14 ... ... ... ... ...
9 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
2.64 (a) arcsec ... ... 0.901 (b/a) 0.01 ... ... 93.9
[J2000]
... 4.77E+14 5.28 0.02 0.90 0.10 0.10 26 94
[J2000]
10 r (SDSS Exponential)
2005SDSS4.C...0000:
2.34 (a) arcsec ... ... 0.870 (b/a) 0.01 ... ... 96.2
[J2000]
... 4.77E+14 4.69 0.01 0.87 0.13 0.14 30 96
[J2000]
11 r (SDSS Isophotal)
2007SDSS6.C...0000:
32.16 (a) arcsec 31.13 arcsec ... ... ... ... 43.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 64.31 ... 0.97 0.03 0.03 15 44
[J2000]
12 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.43 (a) arcsec ... ... ... 0.072 ... ... ... ... 4.77E+14 10.87 0.14 ... ... ... ... ...
13 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.6414 (a) arcsec ... ... 0.901 (b/a) 0.010 ... ... 93.9
[J2000]
... 4.77E+14 5.28 0.02 0.90 0.10 0.10 26 94
[J2000]
14 r (SDSS Exponential)
2007SDSS6.C...0000:
2.3425 (a) arcsec ... ... 0.870 (b/a) 0.007 ... ... 96.2
[J2000]
... 4.77E+14 4.68 0.01 0.87 0.13 0.14 30 96
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 08468                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.00       arcmin                   2a = 60.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.00      arcmin              2b = 60.00 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      : 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          : 132618.         +465100.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Diameters flagged uncertain.            

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13282527+4635296 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 20.7 arcsec 2a = 41.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 36.43 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.880 b/a = 0.88 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 28 deg Position Angle [Equinox] : -50 deg [J2000] 130 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 : 202.105316 46.591625 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13282527+4635296 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 33.4 arcsec 2a = 66.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 58.78 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.880 b/a = 0.88 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 28 deg Position Angle [Equinox] : -50 deg [J2000] 130 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 : 202.105316 46.591625 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +08-25-005 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 : 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 : 132624 +4650 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 08468 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.25 2a = 106.70 arcsec Uncertainty : 0.07 18.70 arcsec Minor Axis (2b) : ... 2b = 99.55 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.03 b/a = 0.93 Uncertainty : 0.06 0.14 Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 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 : 132825.6 +463533. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 08468 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.24 2a = 104.30 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 : 132825.6 +463533. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J132825.27+463529.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 32.16 arcsec 2a = 64.31 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 31.13 arcsec 2b = 62.25 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.97 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.03 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.03 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 43.6 deg [J2000] 44 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 : 202.1053009 46.5916481 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J132825.27+463529.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.43 arcsec 2a = 10.86 arcsec Uncertainty : 0.07 arcsec 0.14 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 : 202.1053009 46.5916481 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J132825.27+463529.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.64 arcsec 2a = 5.28 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.76 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.901 b/a = 0.90 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 26 deg Position Angle [Equinox] : 93.9 deg [J2000] 94 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 : 202.1053009 46.5916481 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 10 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J132825.27+463529.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.34 arcsec 2a = 4.69 arcsec Uncertainty : 0.01 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 4.08 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.870 b/a = 0.87 Uncertainty : 0.003 0.00 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] : 96.2 deg [J2000] 96 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 : 202.1053009 46.5916481 (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 J132825.27+463529.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 32.16 arcsec 2a = 64.31 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 31.13 arcsec 2b = 62.25 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.97 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.03 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.03 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 43.6 deg [J2000] 44 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 : 202.1053052232 46.5916476660 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J132825.27+463529.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.43 arcsec 2a = 10.87 arcsec Uncertainty : 0.072 arcsec 0.14 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 : 202.1053052232 46.5916476660 (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 J132825.27+463529.9 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.6414 arcsec 2a = 5.28 arcsec Uncertainty : 0.010 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.76 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.901 b/a = 0.90 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 26 deg Position Angle [Equinox] : 93.9 deg [J2000] 94 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 : 202.1053052232 46.5916476660 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 14 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J132825.27+463529.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.3425 arcsec 2a = 4.68 arcsec Uncertainty : 0.007 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 4.08 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.870 b/a = 0.87 Uncertainty : 0.003 0.00 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] : 96.2 deg [J2000] 96 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 : 202.1053052232 46.5916476660 (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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