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Date and Time of the Query: 2019-08-17 T14:13:58 PDT
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Diameter data point(s) for object NGC 4045

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
3.00 arcmin 2.00 arcmin ... ... ... ... 95
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 180.00 ... 0.67 0.33 0.38 48 95
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
40.6 (a) arcsec ... ... 0.900 (b/a) ... ... ... 20
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 81.20 ... 0.90 0.10 0.10 26 20
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
59.2 (a) arcsec ... ... 0.900 (b/a) ... ... ... 20
[J2000]
Diameter for "total" magnitude 1.38E+14 118.50 ... 0.90 0.10 0.10 26 20
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
0.70 arcmin 0.70 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 42.00 ... 1.00 0.00 0.00 0 ...
5 POSS1 103a-O
1963MCG3..C...0000V
2.30 arcmin 1.60 arcmin ... ... ... ... ... Very low surface brightness 7.40E+14 138.00 ... 0.70 0.30 0.35 46 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.43 log(2a) + 1 ... ... 0.16
log(a/b)
0.02 ... ... 95
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 161.50 7.60 0.69 0.31 0.35 46 95
[J2000]
7 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.89 log(2a) + 1 ... ... ... 0.02 ... ... ... ... 6.81E+14 46.60 2.20 ... ... ... ... ...
8 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.44 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 165.30 ... ... ... ... ... ...
9 r (SDSS Isophotal)
2004SDSS2.C...0000:
86.14 (a) arcsec 37.18 arcsec ... ... ... ... 88.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 172.27 ... 0.43 0.57 0.69 64 89
[J2000]
10 r (SDSS Petrosian)
2004SDSS2.C...0000:
11.41 (a) arcsec ... ... ... 0.16 ... ... ... ... 4.77E+14 22.82 0.32 ... ... ... ... ...
11 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
6.31 (a) arcsec ... ... 0.796 (b/a) 0.02 ... ... 83.8
[J2000]
... 4.77E+14 12.63 0.05 0.80 0.20 0.22 37 84
[J2000]
12 r (SDSS Exponential)
2004SDSS2.C...0000:
5.12 (a) arcsec ... ... 0.935 (b/a) 0.01 ... ... 71.9
[J2000]
... 4.77E+14 10.25 0.02 0.94 0.06 0.07 21 72
[J2000]
13 r (SDSS Isophotal)
2007SDSS6.C...0000:
86.14 (a) arcsec 37.18 arcsec ... ... ... ... 88.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 172.27 ... 0.43 0.57 0.69 64 89
[J2000]
14 r (SDSS Petrosian)
2007SDSS6.C...0000:
11.41 (a) arcsec ... ... ... 0.158 ... ... ... ... 4.77E+14 22.82 0.32 ... ... ... ... ...
15 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
6.3140 (a) arcsec ... ... 0.796 (b/a) 0.024 ... ... 83.8
[J2000]
... 4.77E+14 12.63 0.05 0.80 0.20 0.22 37 84
[J2000]
16 r (SDSS Exponential)
2007SDSS6.C...0000:
5.1244 (a) arcsec ... ... 0.935 (b/a) 0.011 ... ... 71.9
[J2000]
... 4.77E+14 10.25 0.02 0.94 0.06 0.07 21 72
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07021                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 3.00       arcmin                   2a = 180.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  2.00      arcmin              2b = 120.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.67
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.33
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.38
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 48 deg
Position Angle [Equinox]      :  95    deg [B1950]                  95 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          : 120012.         +021600.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12024226+0158363 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 40.6 arcsec 2a = 81.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 73.08 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.900 b/a = 0.90 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 26 deg Position Angle [Equinox] : 20 deg [J2000] 20 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 : 180.676056 1.976760 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12024226+0158363 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 59.2 arcsec 2a = 118.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 106.65 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.900 b/a = 0.90 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.10 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 26 deg Position Angle [Equinox] : 20 deg [J2000] 20 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 : 180.676056 1.976760 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-31-022 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.70 arcmin 2a = 42.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 1.00 Uncertainty : ... ... 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 : 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 : "Inner" diameter Coordinates Targeted : 120012 +0216 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-31-022 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.30 arcmin 2a = 138.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.60 arcmin 2b = 96.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.35 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Very low 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 : 120012 +0216 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07021 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.43 2a = 161.50 arcsec Uncertainty : 0.02 7.60 arcsec Minor Axis (2b) : ... 2b = 111.76 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.16 b/a = 0.69 Uncertainty : 0.03 0.05 Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.35 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 95 deg [J2000] 95 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 : 120242.0 +015844. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07021 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.89 2a = 46.60 arcsec Uncertainty : 0.02 2.20 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... 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 : 120242.0 +015844. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 8 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07021 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.44 2a = 165.30 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 : 120242.0 +015844. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 9 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J120242.24+015836.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 86.14 arcsec 2a = 172.27 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 37.18 arcsec 2b = 74.36 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.43 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.57 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.69 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : 88.5 deg [J2000] 89 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 : 180.6759949 1.9768074 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J120242.24+015836.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 11.41 arcsec 2a = 22.82 arcsec Uncertainty : 0.16 arcsec 0.32 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 : 180.6759949 1.9768074 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 11 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J120242.24+015836.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 6.31 arcsec 2a = 12.63 arcsec Uncertainty : 0.02 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 10.05 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.796 b/a = 0.80 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : 83.8 deg [J2000] 84 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 : 180.6759949 1.9768074 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 12 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J120242.24+015836.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 5.12 arcsec 2a = 10.25 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 9.58 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.935 b/a = 0.94 Uncertainty : 0.003 0.00 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] : 71.9 deg [J2000] 72 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 : 180.6759949 1.9768074 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 13 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120242.23+015836.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 86.14 arcsec 2a = 172.27 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 37.18 arcsec 2b = 74.36 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.43 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.57 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.69 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : 88.5 deg [J2000] 89 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 : 180.6759916702 1.9768073134 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 14 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120242.23+015836.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 11.41 arcsec 2a = 22.82 arcsec Uncertainty : 0.158 arcsec 0.32 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 : 180.6759916702 1.9768073134 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 15 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120242.23+015836.5 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 6.3140 arcsec 2a = 12.63 arcsec Uncertainty : 0.024 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 10.05 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.796 b/a = 0.80 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : 83.8 deg [J2000] 84 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 : 180.6759916702 1.9768073134 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 16 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J120242.23+015836.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 5.1244 arcsec 2a = 10.25 arcsec Uncertainty : 0.011 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 9.58 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.935 b/a = 0.94 Uncertainty : 0.003 0.00 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] : 71.9 deg [J2000] 72 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 : 180.6759916702 1.9768073134 (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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