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Date and Time of the Query: 2019-04-24 T16:51:54 PDT
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Diameter data point(s) for object UGC 07755

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 0.10 arcmin ... ... ... ... 42
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 60.00 ... 0.10 0.90 0.98 84 42
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
19.7 (a) arcsec ... ... 0.240 (b/a) ... ... ... 45
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 39.40 ... 0.24 0.76 0.89 76 45
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
32.6 (a) arcsec ... ... 0.240 (b/a) ... ... ... 45
[J2000]
Diameter for "total" magnitude 1.38E+14 65.20 ... 0.24 0.76 0.89 76 45
[J2000]
4 r (SDSS Isophotal)
2004SDSS2.C...0000:
34.60 (a) arcsec 6.22 arcsec ... ... ... ... 43.8
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 69.20 ... 0.18 0.82 0.94 80 44
[J2000]
5 r (SDSS Petrosian)
2004SDSS2.C...0000:
5.83 (a) arcsec ... ... ... 0.94 ... ... ... ... 4.77E+14 11.67 1.89 ... ... ... ... ...
6 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
10.49 (a) arcsec ... ... 0.240 (b/a) 0.14 ... ... 37.8
[J2000]
... 4.77E+14 20.98 0.27 0.24 0.76 0.89 76 38
[J2000]
7 r (SDSS Exponential)
2004SDSS2.C...0000:
4.00 (a) arcsec ... ... 0.228 (b/a) 0.03 ... ... 39.1
[J2000]
... 4.77E+14 8.01 0.07 0.23 0.77 0.90 77 39
[J2000]
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
34.60 (a) arcsec 6.22 arcsec ... ... ... ... 43.8
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 69.20 ... 0.18 0.82 0.94 80 44
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.83 (a) arcsec ... ... ... 0.943 ... ... ... ... 4.77E+14 11.67 1.89 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
10.4899 (a) arcsec ... ... 0.240 (b/a) 0.136 ... ... 37.8
[J2000]
... 4.77E+14 20.98 0.27 0.24 0.76 0.89 76 38
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
4.0048 (a) arcsec ... ... 0.228 (b/a) 0.034 ... ... 39.1
[J2000]
... 4.77E+14 8.01 0.07 0.23 0.77 0.90 77 39
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07755                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.00       arcmin                   2a = 60.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.10      arcmin              2b = 6.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.10
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.90
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.98
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 84 deg
Position Angle [Equinox]      :  42    deg [B1950]                  42 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          : 123300.         +000400.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12353866-0012216 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 19.7 arcsec 2a = 39.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 9.46 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.240 b/a = 0.24 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.76 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.89 Uncertainty : ... ... Cos-1(b/a) : ... 76 deg Position Angle [Equinox] : 45 deg [J2000] 45 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 : 188.911118 -0.205987 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12353866-0012216 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 32.6 arcsec 2a = 65.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 15.65 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.240 b/a = 0.24 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.76 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.89 Uncertainty : ... ... Cos-1(b/a) : ... 76 deg Position Angle [Equinox] : 45 deg [J2000] 45 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 : 188.911118 -0.205987 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J123538.69-001221.6 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 34.60 arcsec 2a = 69.20 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 6.22 arcsec 2b = 12.44 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 43.8 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 : 188.9111938 -0.2060031 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J123538.69-001221.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.83 arcsec 2a = 11.67 arcsec Uncertainty : 0.94 arcsec 1.89 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 : 188.9111938 -0.2060031 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J123538.69-001221.6 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 10.49 arcsec 2a = 20.98 arcsec Uncertainty : 0.14 arcsec 0.27 arcsec Minor Axis (2b) : ... 2b = 5.04 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.240 b/a = 0.24 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.76 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.89 Uncertainty : ... ... Cos-1(b/a) : ... 76 deg Position Angle [Equinox] : 37.8 deg [J2000] 38 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 : 188.9111938 -0.2060031 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J123538.69-001221.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.00 arcsec 2a = 8.01 arcsec Uncertainty : 0.03 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 1.83 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.228 b/a = 0.23 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.77 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.90 Uncertainty : ... ... Cos-1(b/a) : ... 77 deg Position Angle [Equinox] : 39.1 deg [J2000] 39 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 : 188.9111938 -0.2060031 (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 J123538.68-001221.6 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 34.60 arcsec 2a = 69.20 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 6.22 arcsec 2b = 12.44 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 43.8 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 : 188.9111871654 -0.2060030494 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J123538.68-001221.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.83 arcsec 2a = 11.67 arcsec Uncertainty : 0.943 arcsec 1.89 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 : 188.9111871654 -0.2060030494 (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 J123538.68-001221.6 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 10.4899 arcsec 2a = 20.98 arcsec Uncertainty : 0.136 arcsec 0.27 arcsec Minor Axis (2b) : ... 2b = 5.04 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.240 b/a = 0.24 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.76 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.89 Uncertainty : ... ... Cos-1(b/a) : ... 76 deg Position Angle [Equinox] : 37.8 deg [J2000] 38 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 : 188.9111871654 -0.2060030494 (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 J123538.68-001221.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.0048 arcsec 2a = 8.01 arcsec Uncertainty : 0.034 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 1.83 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.228 b/a = 0.23 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.77 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.90 Uncertainty : ... ... Cos-1(b/a) : ... 77 deg Position Angle [Equinox] : 39.1 deg [J2000] 39 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 : 188.9111871654 -0.2060030494 (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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