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Date and Time of the Query: 2019-06-24 T22:22:56 PDT
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Diameter data point(s) for object NGC 5668

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
3.50 arcmin 3.00 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 210.00 ... 0.86 0.14 0.15 31 ...
2 K_s (2MASS isophotal)
20032MASX.C.......:
16.2 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 32.40 ... 1.00 0.00 0.00 0 90
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
27.5 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
Diameter for "total" magnitude 1.38E+14 54.90 ... 1.00 0.00 0.00 0 90
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
1.00 arcmin 1.00 arcmin ... ... ... ... ... High surface brightness 7.40E+14 60.00 ... 1.00 0.00 0.00 0 ...
5 POSS1 103a-O
1963MCG3..C...0000V
3.00 arcmin 3.00 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 180.00 ... 1.00 0.00 0.00 0 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.52 log(2a) + 1 ... ... 0.04
log(a/b)
0.02 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 198.70 9.40 0.91 0.09 0.09 24 ...
7 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.10 log(2a) + 1 ... ... ... 0.05 ... ... ... ... 6.81E+14 75.50 9.20 ... ... ... ... ...
8 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.52 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 198.70 ... ... ... ... ... ...
9 r (SDSS Petrosian)
2004SDSS2.C...0000:
15.09 (a) arcsec ... ... ... 0.48 ... ... ... ... 4.77E+14 30.18 0.96 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.844 (b/a) 0.11 ... ... 152.8
[J2000]
... 4.77E+14 23.50 0.22 0.84 0.16 0.17 32 153
[J2000]
11 r (SDSS Exponential)
2004SDSS2.C...0000:
5.73 (a) arcsec ... ... 0.920 (b/a) 0.02 ... ... 171.8
[J2000]
... 4.77E+14 11.46 0.04 0.92 0.08 0.08 23 172
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 09363                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 3.50       arcmin                   2a = 210.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  3.00      arcmin              2b = 180.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.86
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.14
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.15
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 31 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          : 143054.         +044000.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14332469+0427223 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 16.2 arcsec 2a = 32.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 32.40 arcsec Uncertainty : ... ... Axis Ratio : b/a = 1.000 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] : 90 deg [J2000] 90 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 : 218.352936 4.456198 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14332469+0427223 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 27.5 arcsec 2a = 54.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 54.90 arcsec Uncertainty : ... ... Axis Ratio : b/a = 1.000 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] : 90 deg [J2000] 90 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 : 218.352936 4.456198 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +01-37-028 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 : 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 : 143054 +0440 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +01-37-028 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 3.00 arcmin 2a = 180.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 3.00 arcmin 2b = 180.00 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 : 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 : 143054 +0440 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 09363 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.52 2a = 198.70 arcsec Uncertainty : 0.02 9.40 arcsec Minor Axis (2b) : ... 2b = 181.21 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.04 b/a = 0.91 Uncertainty : 0.03 0.07 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] : ... ... 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 : 143324.9 +042702. (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 09363 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.10 2a = 75.50 arcsec Uncertainty : 0.05 9.20 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 : 143324.9 +042702. (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 09363 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.52 2a = 198.70 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 : 143324.9 +042702. (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 J143324.34+042701.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 15.09 arcsec 2a = 30.18 arcsec Uncertainty : 0.48 arcsec 0.96 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 : 218.3514099 4.4504800 (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 J143324.34+042701.7 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.11 arcsec 0.22 arcsec Minor Axis (2b) : ... 2b = 19.83 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.844 b/a = 0.84 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.16 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.17 Uncertainty : ... ... Cos-1(b/a) : ... 32 deg Position Angle [Equinox] : 152.8 deg [J2000] 153 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 : 218.3514099 4.4504800 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J143324.34+042701.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 5.73 arcsec 2a = 11.46 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 10.54 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.920 b/a = 0.92 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 23 deg Position Angle [Equinox] : 171.8 deg [J2000] 172 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 : 218.3514099 4.4504800 (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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