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Date and Time of the Query: 2019-03-25 T17:11:24 PDT
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Diameter data point(s) for object NGC 2841 UB5

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 r (SDSS Isophotal)
2004SDSS2.C...0000:
4.74 (a) arcsec 3.90 arcsec ... ... ... ... 2.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 9.47 ... 0.82 0.18 0.19 35 2
[J2000]
2 r (SDSS Petrosian)
2004SDSS2.C...0000:
0.73 (a) arcsec ... ... ... 0.01 ... ... ... ... 4.77E+14 1.45 0.03 ... ... ... ... ...
3 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
0.11 (a) arcsec ... ... 0.833 (b/a) 0.01 ... ... 12.0
[J2000]
... 4.77E+14 0.21 0.01 0.83 0.17 0.18 34 12
[J2000]
4 r (SDSS Exponential)
2004SDSS2.C...0000:
0.11 (a) arcsec ... ... 0.936 (b/a) 0.00 ... ... 38.7
[J2000]
... 4.77E+14 0.22 0.00 0.94 0.06 0.07 21 39
[J2000]
5 r (SDSS Isophotal)
2007SDSS6.C...0000:
4.74 (a) arcsec 3.90 arcsec ... ... ... ... 2.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 9.47 ... 0.82 0.18 0.19 35 2
[J2000]
6 r (SDSS Petrosian)
2007SDSS6.C...0000:
0.73 (a) arcsec ... ... ... 0.015 ... ... ... ... 4.77E+14 1.45 0.03 ... ... ... ... ...
7 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.1066 (a) arcsec ... ... 0.833 (b/a) 0.007 ... ... 12.0
[J2000]
... 4.77E+14 0.21 0.01 0.83 0.17 0.18 34 12
[J2000]
8 r (SDSS Exponential)
2007SDSS6.C...0000:
0.1086 (a) arcsec ... ... 0.936 (b/a) 0.000 ... ... 38.7
[J2000]
... 4.77E+14 0.22 0.00 0.94 0.06 0.07 21 39
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 2004SDSS2.C...0000:
Published Object Name         : SDSS J091715.91+505646.5      
Frequency Targeted            : r (SDSS Isophotal)            
Major Axis (2a)               : a = 4.74       arcsec               2a = 9.47 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : b =    3.90    arcsec               2b = 7.79 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.82
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.18
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.19
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 35 deg
Position Angle [Equinox]      :    2.1 deg [J2000]                  2 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          : 139.3163147     50.9462433    (J2000)
Qualifiers                    : From new, raw data; DIA_MAJ or DIA_MIN modified from
                               published data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J091715.91+505646.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 0.73 arcsec 2a = 1.45 arcsec Uncertainty : 0.01 arcsec 0.03 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 : 139.3163147 50.9462433 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J091715.91+505646.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 0.11 arcsec 2a = 0.21 arcsec Uncertainty : 0.01 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.17 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.833 b/a = 0.83 Uncertainty : 0.071 0.07 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] : 12.0 deg [J2000] 12 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 : 139.3163147 50.9462433 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J091715.91+505646.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.11 arcsec 2a = 0.22 arcsec Uncertainty : 0.00 arcsec 0.00 arcsec Minor Axis (2b) : ... 2b = 0.21 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.936 b/a = 0.94 Uncertainty : 0.078 0.08 Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 38.7 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 : 139.3163147 50.9462433 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J091715.91+505646.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 4.74 arcsec 2a = 9.47 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 3.90 arcsec 2b = 7.79 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.82 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.18 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.19 Uncertainty : ... ... Cos-1(b/a) : ... 35 deg Position Angle [Equinox] : 2.1 deg [J2000] 2 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 : 139.3163046266 50.9462441644 (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 J091715.91+505646.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 0.73 arcsec 2a = 1.45 arcsec Uncertainty : 0.015 arcsec 0.03 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 : 139.3163046266 50.9462441644 (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 J091715.91+505646.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.1066 arcsec 2a = 0.21 arcsec Uncertainty : 0.007 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.18 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.833 b/a = 0.83 Uncertainty : 0.071 0.07 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] : 12.0 deg [J2000] 12 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 : 139.3163046266 50.9462441644 (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 J091715.91+505646.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.1086 arcsec 2a = 0.22 arcsec Uncertainty : 0.000 arcsec 0.00 arcsec Minor Axis (2b) : ... 2b = 0.20 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.936 b/a = 0.94 Uncertainty : 0.078 0.08 Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 38.7 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 : 139.3163046266 50.9462441644 (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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