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Date and Time of the Query: 2019-08-20 T22:42:16 PDT
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Diameter data point(s) for object NGC 5680

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.......:
18.9 (a) arcsec ... ... 0.740 (b/a) ... ... ... 25
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 37.80 ... 0.74 0.26 0.29 42 25
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
34.7 (a) arcsec ... ... 0.740 (b/a) ... ... ... 25
[J2000]
Diameter for "total" magnitude 1.38E+14 69.40 ... 0.74 0.26 0.29 42 25
[J2000]
3 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.93 log(2a) + 1 ... ... 0.00
log(a/b)
0.11 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 51.10 14.70 1.00 0.00 0.00 0 ...
4 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.94 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 52.30 ... ... ... ... ... ...
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
39.78 (a) arcsec 17.61 arcsec ... ... ... ... 14.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 79.56 ... 0.44 0.56 0.67 64 15
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
4.34 (a) arcsec ... ... ... 0.223 ... ... ... ... 4.77E+14 8.67 0.45 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.5614 (a) arcsec ... ... 0.652 (b/a) 0.012 ... ... 19.3
[J2000]
... 4.77E+14 5.12 0.03 0.65 0.35 0.40 49 19
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
1.8317 (a) arcsec ... ... 0.683 (b/a) 0.007 ... ... 19.8
[J2000]
... 4.77E+14 3.66 0.01 0.68 0.32 0.36 47 20
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J14354456-0000474       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 18.9       arcsec               2a = 37.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 27.97 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.740                         b/a = 0.74
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.26
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.29
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 42 deg
Position Angle [Equinox]      :   25   deg [J2000]                  25 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          : 218.935608      -0.013262    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14354456-0000474 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 34.7 arcsec 2a = 69.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 51.36 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.740 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 25 deg [J2000] 25 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 : 218.935608 -0.013262 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : CGCG 019-068 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.93 2a = 51.10 arcsec Uncertainty : 0.11 14.70 arcsec Minor Axis (2b) : ... 2b = 51.10 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.00 b/a = 1.00 Uncertainty : 0.08 0.20 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 : 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 : 143544.7 -000050. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : CGCG 019-068 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.94 2a = 52.30 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 : 143544.7 -000050. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J143544.53-000048.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 39.78 arcsec 2a = 79.56 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 17.61 arcsec 2b = 35.22 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.44 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.56 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.67 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : 14.5 deg [J2000] 15 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 : 218.9355424918 -0.0133726287 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J143544.53-000048.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.34 arcsec 2a = 8.67 arcsec Uncertainty : 0.223 arcsec 0.45 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 : 218.9355424918 -0.0133726287 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J143544.53-000048.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.5614 arcsec 2a = 5.12 arcsec Uncertainty : 0.012 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 3.34 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.652 b/a = 0.65 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.35 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.40 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 19.3 deg [J2000] 19 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 : 218.9355424918 -0.0133726287 (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 J143544.53-000048.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.8317 arcsec 2a = 3.66 arcsec Uncertainty : 0.007 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 2.50 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.683 b/a = 0.68 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.36 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : 19.8 deg [J2000] 20 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 : 218.9355424918 -0.0133726287 (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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