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Date and Time of the Query: 2019-05-24 T10:19:18 PDT
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Diameter data point(s) for object UGC 09937

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
1.10 arcmin 0.22 arcmin ... ... ... ... 15
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 66.00 ... 0.20 0.80 0.92 78 15
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
28.2 (a) arcsec ... ... 0.340 (b/a) ... ... ... 15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 56.40 ... 0.34 0.66 0.79 70 15
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
43.1 (a) arcsec ... ... 0.340 (b/a) ... ... ... 15
[J2000]
Diameter for "total" magnitude 1.38E+14 86.20 ... 0.34 0.66 0.79 70 15
[J2000]
4 POSS1 103a-O
1964MCG2..C...0000V
1.00 arcmin 0.25 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 60.00 ... 0.25 0.75 0.88 76 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.02 log(2a) + 1 ... ... 0.64
log(a/b)
0.06 ... ... 15
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 62.80 9.30 0.23 0.77 0.90 77 15
[J2000]
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.00 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 60.00 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
45.90 (a) arcsec 14.44 arcsec ... ... ... ... 14.2
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 91.81 ... 0.32 0.69 0.82 72 14
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.29 (a) arcsec ... ... ... 1.298 ... ... ... ... 4.77E+14 10.58 2.60 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.1813 (a) arcsec ... ... 0.301 (b/a) 0.022 ... ... 19.4
[J2000]
... 4.77E+14 8.36 0.04 0.30 0.70 0.83 72 19
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
2.3663 (a) arcsec ... ... 0.389 (b/a) 0.010 ... ... 18.3
[J2000]
... 4.77E+14 4.73 0.02 0.39 0.61 0.74 67 18
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 09937                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.10       arcmin                   2a = 66.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.22      arcmin              2b = 13.20 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.20
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.80
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.92
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 78 deg
Position Angle [Equinox]      :  15    deg [B1950]                  15 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          : 153512.         +204300.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15372289+2032593 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 28.2 arcsec 2a = 56.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 19.18 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.340 b/a = 0.34 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.66 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.79 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 15 deg [J2000] 15 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 : 234.345490 20.549799 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15372289+2032593 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 43.1 arcsec 2a = 86.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 29.31 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.340 b/a = 0.34 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.66 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.79 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 15 deg [J2000] 15 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 : 234.345490 20.549799 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +04-37-013 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.25 arcmin 2b = 15.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.25 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.75 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.88 Uncertainty : ... ... Cos-1(b/a) : ... 76 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Very 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 : "Outer" diameter Coordinates Targeted : 153506 +2042 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 09937 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.02 2a = 62.80 arcsec Uncertainty : 0.06 9.30 arcsec Minor Axis (2b) : ... 2b = 14.38 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.64 b/a = 0.23 Uncertainty : 0.05 0.03 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] : 15 deg [J2000] 15 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 : 153724.0 +203300. (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 09937 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.00 2a = 60.00 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 : 153724.0 +203300. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J153722.92+203259.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 45.90 arcsec 2a = 91.81 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 14.44 arcsec 2b = 28.88 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.32 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.69 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.82 Uncertainty : ... ... Cos-1(b/a) : ... 72 deg Position Angle [Equinox] : 14.2 deg [J2000] 14 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 : 234.3455104789 20.5498055062 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J153722.92+203259.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.29 arcsec 2a = 10.58 arcsec Uncertainty : 1.298 arcsec 2.60 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 : 234.3455104789 20.5498055062 (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 J153722.92+203259.2 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.1813 arcsec 2a = 8.36 arcsec Uncertainty : 0.022 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 2.52 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.301 b/a = 0.30 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.83 Uncertainty : ... ... Cos-1(b/a) : ... 72 deg Position Angle [Equinox] : 19.4 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 : 234.3455104789 20.5498055062 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J153722.92+203259.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.3663 arcsec 2a = 4.73 arcsec Uncertainty : 0.010 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.84 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.389 b/a = 0.39 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.61 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.74 Uncertainty : ... ... Cos-1(b/a) : ... 67 deg Position Angle [Equinox] : 18.3 deg [J2000] 18 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 : 234.3455104789 20.5498055062 (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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