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Date and Time of the Query: 2019-07-21 T00:13:23 PDT
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Diameter data point(s) for object IC 0794

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
1.40 arcmin 1.00 arcmin ... ... ... ... 110
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 84.00 ... 0.71 0.29 0.32 44 110
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
21.9 (a) arcsec ... ... 0.680 (b/a) ... ... ... -80
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 43.80 ... 0.68 0.32 0.37 47 100
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
55.1 (a) arcsec ... ... 0.680 (b/a) ... ... ... -80
[J2000]
Diameter for "total" magnitude 1.38E+14 110.20 ... 0.68 0.32 0.37 47 100
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
0.30 arcmin 0.25 arcmin ... ... ... ... ... High surface brightness 7.40E+14 18.00 ... 0.83 0.17 0.18 34 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.12 log(2a) + 1 ... ... 0.12
log(a/b)
0.07 ... ... 110
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 79.10 13.80 0.76 0.24 0.27 41 110
[J2000]
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.09 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 73.80 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2005SDSS4.C...0000:
40.92 (a) arcsec 32.26 arcsec ... ... ... ... 97.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 81.83 ... 0.79 0.21 0.23 38 98
[J2000]
8 r (SDSS Petrosian)
2005SDSS4.C...0000:
12.11 (a) arcsec ... ... ... 0.31 ... ... ... ... 4.77E+14 24.22 0.61 ... ... ... ... ...
9 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
10.18 (a) arcsec ... ... 0.760 (b/a) 0.06 ... ... 102.8
[J2000]
... 4.77E+14 20.37 0.13 0.76 0.24 0.27 41 103
[J2000]
10 r (SDSS Exponential)
2005SDSS4.C...0000:
4.47 (a) arcsec ... ... 0.715 (b/a) 0.02 ... ... 102.6
[J2000]
... 4.77E+14 8.94 0.03 0.71 0.29 0.32 44 103
[J2000]
11 r (SDSS Isophotal)
2007SDSS6.C...0000:
40.92 (a) arcsec 32.26 arcsec ... ... ... ... 97.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 81.83 ... 0.79 0.21 0.23 38 98
[J2000]
12 r (SDSS Petrosian)
2007SDSS6.C...0000:
12.11 (a) arcsec ... ... ... 0.307 ... ... ... ... 4.77E+14 24.22 0.61 ... ... ... ... ...
13 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
10.1833 (a) arcsec ... ... 0.760 (b/a) 0.063 ... ... 102.8
[J2000]
... 4.77E+14 20.37 0.13 0.76 0.24 0.27 41 103
[J2000]
14 r (SDSS Exponential)
2007SDSS6.C...0000:
4.4700 (a) arcsec ... ... 0.715 (b/a) 0.017 ... ... 102.6
[J2000]
... 4.77E+14 8.94 0.04 0.71 0.29 0.32 44 103
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07585                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.40       arcmin                   2a = 84.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.00      arcmin              2b = 60.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.71
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.29
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.32
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 44 deg
Position Angle [Equinox]      : 110    deg [B1950]                  110 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          : 122536.         +122200.    (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 J12280859+1205356 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 21.9 arcsec 2a = 43.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 29.78 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.680 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : -80 deg [J2000] 100 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 : 187.035797 12.093260 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12280859+1205356 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 55.1 arcsec 2a = 110.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 74.94 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.680 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : -80 deg [J2000] 100 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 : 187.035797 12.093260 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +02-32-070 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.30 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.25 arcmin 2b = 15.00 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 : 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 : 122536 +1222 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07585 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.12 2a = 79.10 arcsec Uncertainty : 0.07 13.80 arcsec Minor Axis (2b) : ... 2b = 60.04 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.12 b/a = 0.76 Uncertainty : 0.06 0.11 Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : 110 deg [J2000] 110 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 : 122808.7 +120536. (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 07585 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.09 2a = 73.80 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 : 122808.7 +120536. (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 J122808.61+120535.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 40.92 arcsec 2a = 81.83 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 32.26 arcsec 2b = 64.51 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.79 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.21 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.23 Uncertainty : ... ... Cos-1(b/a) : ... 38 deg Position Angle [Equinox] : 97.5 deg [J2000] 98 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 : 187.0358887 12.0932922 (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 J122808.61+120535.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 12.11 arcsec 2a = 24.22 arcsec Uncertainty : 0.31 arcsec 0.61 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 : 187.0358887 12.0932922 (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 J122808.61+120535.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 10.18 arcsec 2a = 20.37 arcsec Uncertainty : 0.06 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 15.48 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.760 b/a = 0.76 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : 102.8 deg [J2000] 103 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 : 187.0358887 12.0932922 (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 J122808.61+120535.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.47 arcsec 2a = 8.94 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.39 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.715 b/a = 0.71 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 102.6 deg [J2000] 103 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 : 187.0358887 12.0932922 (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 J122808.61+120535.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 40.92 arcsec 2a = 81.83 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 32.26 arcsec 2b = 64.51 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.79 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.21 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.23 Uncertainty : ... ... Cos-1(b/a) : ... 38 deg Position Angle [Equinox] : 97.5 deg [J2000] 98 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 : 187.0358912435 12.0932921495 (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 J122808.61+120535.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 12.11 arcsec 2a = 24.22 arcsec Uncertainty : 0.307 arcsec 0.61 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 : 187.0358912435 12.0932921495 (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 J122808.61+120535.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 10.1833 arcsec 2a = 20.37 arcsec Uncertainty : 0.063 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 15.48 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.760 b/a = 0.76 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : 102.8 deg [J2000] 103 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 : 187.0358912435 12.0932921495 (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 J122808.61+120535.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.4700 arcsec 2a = 8.94 arcsec Uncertainty : 0.017 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 6.39 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.715 b/a = 0.71 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 102.6 deg [J2000] 103 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 : 187.0358912435 12.0932921495 (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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