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Date and Time of the Query: 2019-04-20 T19:46:24 PDT
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Diameter data point(s) for object NGC 2857

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
2.40 arcmin 2.20 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 144.00 ... 0.92 0.08 0.09 24 ...
2 K_s (2MASS isophotal)
20032MASX.C.......:
26.3 (a) arcsec ... ... 0.560 (b/a) ... ... ... 90
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 52.60 ... 0.56 0.44 0.52 56 90
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
55.9 (a) arcsec ... ... 0.560 (b/a) ... ... ... 90
[J2000]
Diameter for "total" magnitude 1.38E+14 111.90 ... 0.56 0.44 0.52 56 90
[J2000]
4 POSS1 103a-O
1962MCG1..C...0000V
0.05 arcmin 0.05 arcmin ... ... ... ... ... High surface brightness 7.40E+14 3.00 ... 1.00 0.00 0.00 0 ...
5 POSS1 103a-O
1962MCG1..C...0000V
2.10 arcmin 1.80 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 126.00 ... 0.86 0.14 0.15 31 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.35 log(2a) + 1 ... ... 0.05
log(a/b)
0.04 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 134.30 13.00 0.89 0.11 0.11 27 ...
7 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.19 log(2a) + 1 ... ... ... 0.05 ... ... ... ... 6.81E+14 92.90 11.30 ... ... ... ... ...
8 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.35 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 134.30 ... ... ... ... ... ...
9 r (SDSS Isophotal)
2004SDSS3.C...0000:
51.70 (a) arcsec 47.20 arcsec ... ... ... ... 26.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 103.39 ... 0.91 0.09 0.09 24 27
[J2000]
10 r (SDSS Petrosian)
2004SDSS3.C...0000:
18.65 (a) arcsec ... ... ... 0.14 ... ... ... ... 4.77E+14 37.30 0.28 ... ... ... ... ...
11 r (SDSS de Vaucouleurs)
2004SDSS3.C...0000:
11.75 (a) arcsec ... ... 0.982 (b/a) 0.07 ... ... 66.0
[J2000]
... 4.77E+14 23.50 0.13 0.98 0.02 0.02 11 66
[J2000]
12 r (SDSS Exponential)
2004SDSS3.C...0000:
9.05 (a) arcsec ... ... 0.948 (b/a) 0.05 ... ... 54.4
[J2000]
... 4.77E+14 18.10 0.10 0.95 0.05 0.05 19 54
[J2000]
13 r (SDSS Isophotal)
2007SDSS6.C...0000:
51.70 (a) arcsec 47.20 arcsec ... ... ... ... 26.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 103.39 ... 0.91 0.09 0.09 24 27
[J2000]
14 r (SDSS Petrosian)
2007SDSS6.C...0000:
18.65 (a) arcsec ... ... ... 0.142 ... ... ... ... 4.77E+14 37.30 0.28 ... ... ... ... ...
15 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7520 (a) arcsec ... ... 0.982 (b/a) 0.066 ... ... 66.0
[J2000]
... 4.77E+14 23.50 0.13 0.98 0.02 0.02 11 66
[J2000]
16 r (SDSS Exponential)
2007SDSS6.C...0000:
9.0506 (a) arcsec ... ... 0.948 (b/a) 0.048 ... ... 54.4
[J2000]
... 4.77E+14 18.10 0.10 0.95 0.05 0.05 19 54
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 05000                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.40       arcmin                   2a = 144.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  2.20      arcmin              2b = 132.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.92
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.08
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.09
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 24 deg
Position Angle [Equinox]      : ...                                 ...
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          : 092112.         +493400.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09243769+4921256 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 26.3 arcsec 2a = 52.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 29.46 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.560 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 90 deg [J2000] 90 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 : 141.157150 49.357117 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J09243769+4921256 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 55.9 arcsec 2a = 111.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 62.66 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.560 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 90 deg [J2000] 90 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 : 141.157150 49.357117 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +08-17-095 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.05 arcmin 2a = 3.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.05 arcmin 2b = 3.00 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 : 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 : 092130 +4933 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +08-17-095 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.10 arcmin 2a = 126.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.80 arcmin 2b = 108.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 31 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Intermed. 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 : 092130 +4933 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05000 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.35 2a = 134.30 arcsec Uncertainty : 0.04 13.00 arcsec Minor Axis (2b) : ... 2b = 119.66 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.05 b/a = 0.89 Uncertainty : 0.05 0.11 Ellipticity : ... 1 - b/a = 0.11 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.11 Uncertainty : ... ... Cos-1(b/a) : ... 27 deg Position Angle [Equinox] : ... ... 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 : 092438.0 +492120. (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 05000 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.19 2a = 92.90 arcsec Uncertainty : 0.05 11.30 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 : 092438.0 +492120. (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 05000 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.35 2a = 134.30 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 : 092438.0 +492120. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 9 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J092437.72+492125.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 51.70 arcsec 2a = 103.39 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 47.20 arcsec 2b = 94.39 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.91 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.09 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 24 deg Position Angle [Equinox] : 26.5 deg [J2000] 27 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 : 141.1571808 49.3570671 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J092437.72+492125.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 18.65 arcsec 2a = 37.30 arcsec Uncertainty : 0.14 arcsec 0.28 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 : 141.1571808 49.3570671 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J092437.72+492125.4 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.07 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 23.08 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.982 b/a = 0.98 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.02 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.02 Uncertainty : ... ... Cos-1(b/a) : ... 11 deg Position Angle [Equinox] : 66.0 deg [J2000] 66 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 : 141.1571808 49.3570671 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J092437.72+492125.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 9.05 arcsec 2a = 18.10 arcsec Uncertainty : 0.05 arcsec 0.10 arcsec Minor Axis (2b) : ... 2b = 17.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.948 b/a = 0.95 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.05 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.05 Uncertainty : ... ... Cos-1(b/a) : ... 19 deg Position Angle [Equinox] : 54.4 deg [J2000] 54 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 : 141.1571808 49.3570671 (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 J092437.72+492125.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 51.70 arcsec 2a = 103.39 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 47.20 arcsec 2b = 94.40 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.91 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.09 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 24 deg Position Angle [Equinox] : 26.5 deg [J2000] 27 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 : 141.1571703229 49.3570644198 (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 J092437.72+492125.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 18.65 arcsec 2a = 37.30 arcsec Uncertainty : 0.142 arcsec 0.28 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 : 141.1571703229 49.3570644198 (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 J092437.72+492125.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7520 arcsec 2a = 23.50 arcsec Uncertainty : 0.066 arcsec 0.13 arcsec Minor Axis (2b) : ... 2b = 23.08 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.982 b/a = 0.98 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.02 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.02 Uncertainty : ... ... Cos-1(b/a) : ... 11 deg Position Angle [Equinox] : 66.0 deg [J2000] 66 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 : 141.1571703229 49.3570644198 (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 J092437.72+492125.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 9.0506 arcsec 2a = 18.10 arcsec Uncertainty : 0.048 arcsec 0.10 arcsec Minor Axis (2b) : ... 2b = 17.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.948 b/a = 0.95 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.05 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.05 Uncertainty : ... ... Cos-1(b/a) : ... 19 deg Position Angle [Equinox] : 54.4 deg [J2000] 54 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 : 141.1571703229 49.3570644198 (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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