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Date and Time of the Query: 2019-08-23 T11:48:01 PDT
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Diameter data point(s) for object NGC 4293

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
5.80 arcmin 3.30 arcmin ... ... ... ... 72
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 348.00 ... 0.57 0.43 0.51 55 72
[J2000]
2 POSS1 103a-O
1964MCG2..C...0000V
1.00 arcmin 0.50 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 60.00 ... 0.50 0.50 0.60 60 ...
3 POSS1 103a-O
1964MCG2..C...0000V
5.60 arcmin 2.50 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 336.00 ... 0.45 0.55 0.67 64 ...
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.75 log(2a) + 1 ... ... 0.34
log(a/b)
0.02 ... ... 72
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 337.40 15.90 0.46 0.54 0.65 63 72
[J2000]
5 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.44 log(2a) + 1 ... ... ... 0.10 ... ... ... ... 6.81E+14 165.30 42.80 ... ... ... ... ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.74 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 329.70 ... ... ... ... ... ...
7 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
117.1 (a) arcsec ... ... 0.340 (b/a) ... ... ... 77.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 234.20 ... 0.34 0.66 0.79 70 77
[J2000]
8 K_s (LGA/2MASS "total")
2003AJ....125..525J
218.5 (a) arcsec ... ... 0.340 (b/a) ... ... ... 77.0
[J2000]
Diameter for "total" magnitude 1.38E+14 437.00 ... 0.34 0.66 0.79 70 77
[J2000]
9 r (SDSS Isophotal)
2007SDSS6.C...0000:
171.24 (a) arcsec 32.26 arcsec ... ... ... ... 78.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 342.48 ... 0.19 0.81 0.93 79 78
[J2000]
10 r (SDSS Petrosian)
2007SDSS6.C...0000:
29.70 (a) arcsec ... ... ... 5.508 ... ... ... ... 4.77E+14 59.41 11.02 ... ... ... ... ...
11 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
11.7502 (a) arcsec ... ... 0.472 (b/a) 0.028 ... ... 81.0
[J2000]
... 4.77E+14 23.50 0.06 0.47 0.53 0.64 62 81
[J2000]
12 r (SDSS Exponential)
2007SDSS6.C...0000:
8.9257 (a) arcsec ... ... 0.450 (b/a) 0.046 ... ... 82.0
[J2000]
... 4.77E+14 17.85 0.09 0.45 0.55 0.66 63 82
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07405                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 5.80       arcmin                   2a = 348.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  3.30      arcmin              2b = 198.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.57
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.43
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.51
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 55 deg
Position Angle [Equinox]      :  72    deg [B1950]                  72 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          : 121842.         +184000.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-32-006 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.50 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 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 : 121842 +1840 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-32-006 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 5.60 arcmin 2a = 336.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 2.50 arcmin 2b = 150.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.45 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.55 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.67 Uncertainty : ... ... Cos-1(b/a) : ... 64 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 : 121842 +1840 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07405 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.75 2a = 337.40 arcsec Uncertainty : 0.02 15.90 arcsec Minor Axis (2b) : ... 2b = 154.19 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.34 b/a = 0.46 Uncertainty : 0.02 0.02 Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 72 deg [J2000] 72 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 : 122113.0 +182258. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07405 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.44 2a = 165.30 arcsec Uncertainty : 0.10 42.80 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 : 122113.0 +182258. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07405 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.74 2a = 329.70 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 : 122113.0 +182258. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 4293 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 117.1 arcsec 2a = 234.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 79.63 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] : 77.0 deg [J2000] 77 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 : 185.303711 18.382401 (J2000) Qualifiers : From new, raw data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 4293 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 218.5 arcsec 2a = 437.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 148.58 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] : 77.0 deg [J2000] 77 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 : 185.303711 18.382401 (J2000) Qualifiers : From new, raw data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J122112.82+182257.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 171.24 arcsec 2a = 342.48 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 32.26 arcsec 2b = 64.52 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 78.0 deg [J2000] 78 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 : 185.3034397199 18.3827069542 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J122112.82+182257.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 29.70 arcsec 2a = 59.41 arcsec Uncertainty : 5.508 arcsec 11.02 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 : 185.3034397199 18.3827069542 (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 J122112.82+182257.7 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 11.7502 arcsec 2a = 23.50 arcsec Uncertainty : 0.028 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 11.09 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.472 b/a = 0.47 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.64 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 81.0 deg [J2000] 81 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 : 185.3034397199 18.3827069542 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J122112.82+182257.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 8.9257 arcsec 2a = 17.85 arcsec Uncertainty : 0.046 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 8.03 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.450 b/a = 0.45 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.55 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.66 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 82.0 deg [J2000] 82 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 : 185.3034397199 18.3827069542 (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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