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Date and Time of the Query: 2019-03-25 T12:03:36 PDT
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Diameter data point(s) for object NGC 4348

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 K_s (2MASS isophotal)
20032MASX.C.......:
65.6 (a) arcsec ... ... 0.220 (b/a) ... ... ... 35
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 131.20 ... 0.22 0.78 0.91 77 35
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
91.8 (a) arcsec ... ... 0.220 (b/a) ... ... ... 35
[J2000]
Diameter for "total" magnitude 1.38E+14 183.60 ... 0.22 0.78 0.91 77 35
[J2000]
3 POSS1 103a-O
1963MCG3..C...0000V
3.00 arcmin 0.70 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 180.00 ... 0.23 0.77 0.90 77 ...
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.51 log(2a) + 1 ... ... 0.64
log(a/b)
0.02 ... ... 38
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 194.20 9.20 0.23 0.77 0.90 77 38
[J2000]
5 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.83 log(2a) + 1 ... ... ... 0.07 ... ... ... ... 6.81E+14 40.60 7.10 ... ... ... ... ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.52 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 198.70 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2004SDSS2.C...0000:
96.73 (a) arcsec 22.19 arcsec ... ... ... ... 38.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 193.46 ... 0.23 0.77 0.90 77 38
[J2000]
8 r (SDSS Petrosian)
2004SDSS2.C...0000:
13.78 (a) arcsec ... ... ... 3.44 ... ... ... ... 4.77E+14 27.56 6.89 ... ... ... ... ...
9 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
11.75 (a) arcsec ... ... 0.401 (b/a) 0.14 ... ... 34.7
[J2000]
... 4.77E+14 23.50 0.29 0.40 0.60 0.72 66 35
[J2000]
10 r (SDSS Exponential)
2004SDSS2.C...0000:
7.08 (a) arcsec ... ... 0.321 (b/a) 0.03 ... ... 33.0
[J2000]
... 4.77E+14 14.15 0.06 0.32 0.68 0.81 71 33
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12235396-0326344       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 65.6       arcsec               2a = 131.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 28.86 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.220                         b/a = 0.22
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.78
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.91
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 77 deg
Position Angle [Equinox]      :   35   deg [J2000]                  35 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          : 185.974838      -3.442878    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12235396-0326344 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 91.8 arcsec 2a = 183.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 40.39 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.220 b/a = 0.22 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.78 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.91 Uncertainty : ... ... Cos-1(b/a) : ... 77 deg Position Angle [Equinox] : 35 deg [J2000] 35 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 : 185.974838 -3.442878 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-32-003 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 3.00 arcmin 2a = 180.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.23 Uncertainty : ... ... 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] : ... ... 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 : 122118 -0309 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG +00-32-003 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.51 2a = 194.20 arcsec Uncertainty : 0.02 9.20 arcsec Minor Axis (2b) : ... 2b = 44.47 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.64 b/a = 0.23 Uncertainty : 0.04 0.02 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] : 38 deg [J2000] 38 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 : 122354.0 -032641. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG +00-32-003 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.83 2a = 40.60 arcsec Uncertainty : 0.07 7.10 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 : 122354.0 -032641. (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 : MCG +00-32-003 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.52 2a = 198.70 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 : 122354.0 -032641. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J122353.99-032634.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 96.73 arcsec 2a = 193.46 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 22.19 arcsec 2b = 44.38 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.23 Uncertainty : ... ... 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] : 38.0 deg [J2000] 38 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 : 185.9749451 -3.4429190 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J122353.99-032634.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 13.78 arcsec 2a = 27.56 arcsec Uncertainty : 3.44 arcsec 6.89 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 : 185.9749451 -3.4429190 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J122353.99-032634.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 11.75 arcsec 2a = 23.50 arcsec Uncertainty : 0.14 arcsec 0.29 arcsec Minor Axis (2b) : ... 2b = 9.42 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.401 b/a = 0.40 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 34.7 deg [J2000] 35 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 : 185.9749451 -3.4429190 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J122353.99-032634.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 7.08 arcsec 2a = 14.15 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 4.54 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.321 b/a = 0.32 Uncertainty : 0.001 0.00 Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 33.0 deg [J2000] 33 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 : 185.9749451 -3.4429190 (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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