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Date and Time of the Query: 2019-03-20 T04:57:28 PDT
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Diameter data point(s) for object NGC 4733

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
2.00 arcmin 1.80 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 120.00 ... 0.90 0.10 0.10 26 ...
2 K_s (2MASS isophotal)
20032MASX.C.......:
45.3 (a) arcsec ... ... 0.900 (b/a) ... ... ... 70
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 90.60 ... 0.90 0.10 0.10 26 70
[J2000]
3 K_s (2MASS isophotal)
20032MASX.C.......:
13.4 (a) arcsec ... ... 0.380 (b/a) ... ... ... 0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 26.80 ... 0.38 0.62 0.75 68 0
[J2000]
4 K_s (2MASS "total")
20032MASX.C.......:
67.7 (a) arcsec ... ... 0.900 (b/a) ... ... ... 70
[J2000]
Diameter for "total" magnitude 1.38E+14 135.40 ... 0.90 0.10 0.10 26 70
[J2000]
5 K_s (2MASS "total")
20032MASX.C.......:
13.4 (a) arcsec ... ... 0.380 (b/a) ... ... ... 0
[J2000]
Diameter for "total" magnitude 1.38E+14 26.70 ... 0.38 0.62 0.75 68 0
[J2000]
6 POSS1 103a-O
1963MCG3..C...0000V
0.90 arcmin 0.90 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 54.00 ... 1.00 0.00 0.00 0 ...
7 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.30 log(2a) + 1 ... ... 0.46
log(a/b)
0.05 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 119.70 14.60 0.35 0.65 0.79 70 ...
8 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.99 log(2a) + 1 ... ... ... 0.02 ... ... ... ... 6.81E+14 58.60 2.80 ... ... ... ... ...
9 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.16 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 86.70 ... ... ... ... ... ...
10 r (SDSS Isophotal)
2007SDSS6.C...0000:
54.86 (a) arcsec 53.60 arcsec ... ... ... ... 73.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 109.72 ... 0.98 0.02 0.02 12 74
[J2000]
11 r (SDSS Petrosian)
2007SDSS6.C...0000:
15.39 (a) arcsec ... ... ... 0.066 ... ... ... ... 4.77E+14 30.77 0.13 ... ... ... ... ...
12 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7488 (a) arcsec ... ... 0.961 (b/a) 0.077 ... ... 100.9
[J2000]
... 4.77E+14 23.50 0.15 0.96 0.04 0.04 16 101
[J2000]
13 r (SDSS Exponential)
2007SDSS6.C...0000:
6.5008 (a) arcsec ... ... 0.816 (b/a) 0.017 ... ... 95.6
[J2000]
... 4.77E+14 13.00 0.03 0.82 0.18 0.20 35 96
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07997                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.00       arcmin                   2a = 120.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.80      arcmin              2b = 108.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 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]      : ...                                 ...
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          : 124836.         +111100.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Diameters flagged uncertain.            

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12510678+1054435 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 45.3 arcsec 2a = 90.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 81.54 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] : 70 deg [J2000] 70 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 : 192.778259 10.912082 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12510753+1054571 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 13.4 arcsec 2a = 26.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 10.18 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.380 b/a = 0.38 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 0 deg [J2000] 0 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 : 192.781326 10.915754 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12510678+1054435 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 67.7 arcsec 2a = 135.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 121.86 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] : 70 deg [J2000] 70 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 : 192.778259 10.912082 (J2000) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12510753+1054571 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 13.4 arcsec 2a = 26.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 10.15 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.380 b/a = 0.38 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 0 deg [J2000] 0 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 : 192.781326 10.915754 (J2000) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +02-33-028 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.90 arcmin 2a = 54.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.90 arcmin 2b = 54.00 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 : 124836 +1111 (B1950) Qualifiers : From new, raw data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07997 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.30 2a = 119.70 arcsec Uncertainty : 0.05 14.60 arcsec Minor Axis (2b) : ... 2b = 41.54 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.46 b/a = 0.35 Uncertainty : 0.05 0.04 Ellipticity : ... 1 - b/a = 0.65 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.79 Uncertainty : ... ... Cos-1(b/a) : ... 70 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 : 125106.9 +105445. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07997 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.99 2a = 58.60 arcsec Uncertainty : 0.02 2.80 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 : 125106.9 +105445. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 9 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07997 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.16 2a = 86.70 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 : 125106.9 +105445. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J125106.77+105443.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 54.86 arcsec 2a = 109.72 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 53.60 arcsec 2b = 107.20 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.98 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.02 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.02 Uncertainty : ... ... Cos-1(b/a) : ... 12 deg Position Angle [Equinox] : 73.7 deg [J2000] 74 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 : 192.7782394020 10.9120762819 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J125106.77+105443.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 15.39 arcsec 2a = 30.77 arcsec Uncertainty : 0.066 arcsec 0.13 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 : 192.7782394020 10.9120762819 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J125106.77+105443.4 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7488 arcsec 2a = 23.50 arcsec Uncertainty : 0.077 arcsec 0.15 arcsec Minor Axis (2b) : ... 2b = 22.58 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.961 b/a = 0.96 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 16 deg Position Angle [Equinox] : 100.9 deg [J2000] 101 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 : 192.7782394020 10.9120762819 (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 J125106.77+105443.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 6.5008 arcsec 2a = 13.00 arcsec Uncertainty : 0.017 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 10.61 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.816 b/a = 0.82 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.18 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.20 Uncertainty : ... ... Cos-1(b/a) : ... 35 deg Position Angle [Equinox] : 95.6 deg [J2000] 96 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 : 192.7782394020 10.9120762819 (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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