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Date and Time of the Query: 2019-04-19 T03:26:47 PDT
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Diameter data point(s) for object NGC 4266

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
1.80 arcmin 0.40 arcmin ... ... ... ... 76
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 108.00 ... 0.22 0.78 0.91 77 76
[J2000]
2 POSS1 103a-O
1963MCG3..C...0000V
1.20 arcmin 0.20 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 72.00 ... 0.17 0.83 0.95 80 ...
3 POSS1 103a-O
1963MCG3..C...0000V
1.60 arcmin 0.30 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 96.00 ... 0.19 0.81 0.93 79 ...
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.30 log(2a) + 1 ... ... 0.68
log(a/b)
0.03 ... ... 76
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 119.70 8.60 0.21 0.79 0.92 78 76
[J2000]
5 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.30 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 119.70 ... ... ... ... ... ...
6 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
56.5 (a) arcsec ... ... 0.200 (b/a) ... ... ... 76.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 113.00 ... 0.20 0.80 0.92 78 76
[J2000]
7 K_s (LGA/2MASS "total")
2003AJ....125..525J
115.2 (a) arcsec ... ... 0.200 (b/a) ... ... ... 76.0
[J2000]
Diameter for "total" magnitude 1.38E+14 230.40 ... 0.20 0.80 0.92 78 76
[J2000]
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
3.51 (a) arcsec 3.30 arcsec ... ... ... ... 74.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 7.01 ... 0.94 0.06 0.06 20 75
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
0.70 (a) arcsec ... ... ... 0.006 ... ... ... ... 4.77E+14 1.41 0.01 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.2086 (a) arcsec ... ... 0.632 (b/a) 0.007 ... ... 74.1
[J2000]
... 4.77E+14 0.42 0.01 0.63 0.37 0.43 51 74
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
0.2416 (a) arcsec ... ... 0.678 (b/a) 0.004 ... ... 74.1
[J2000]
... 4.77E+14 0.48 0.01 0.68 0.32 0.37 47 74
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07368                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.80       arcmin                   2a = 108.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.40      arcmin              2b = 24.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 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]      :  76    deg [B1950]                  76 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          : 121706.         +054900.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +01-32-002 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.20 arcmin 2a = 72.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 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 : "Inner" diameter Coordinates Targeted : 121706 +0549 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +01-32-002 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.60 arcmin 2a = 96.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 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] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 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 : 121706 +0549 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07368 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.30 2a = 119.70 arcsec Uncertainty : 0.03 8.60 arcsec Minor Axis (2b) : ... 2b = 25.02 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.68 b/a = 0.21 Uncertainty : 0.03 0.01 Ellipticity : ... 1 - b/a = 0.79 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 76 deg [J2000] 76 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 : 121942.6 +053222. (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 07368 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.30 2a = 119.70 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 : 121942.6 +053222. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 6 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 4266 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 56.5 arcsec 2a = 113.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 22.60 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.200 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 76.0 deg [J2000] 76 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 : 184.926315 5.538200 (J2000) Qualifiers : From new, raw data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 4266 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 115.2 arcsec 2a = 230.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 46.08 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.200 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 76.0 deg [J2000] 76 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 : 184.926315 5.538200 (J2000) Qualifiers : From new, raw data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J121942.29+053217.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 3.51 arcsec 2a = 7.01 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 3.30 arcsec 2b = 6.59 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 20 deg Position Angle [Equinox] : 74.5 deg [J2000] 75 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 : 184.9262326344 5.5382837148 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J121942.29+053217.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 0.70 arcsec 2a = 1.41 arcsec Uncertainty : 0.006 arcsec 0.01 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 : 184.9262326344 5.5382837148 (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 J121942.29+053217.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.2086 arcsec 2a = 0.42 arcsec Uncertainty : 0.007 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.26 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.632 b/a = 0.63 Uncertainty : 0.028 0.03 Ellipticity : ... 1 - b/a = 0.37 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.43 Uncertainty : ... ... Cos-1(b/a) : ... 51 deg Position Angle [Equinox] : 74.1 deg [J2000] 74 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 : 184.9262326344 5.5382837148 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J121942.29+053217.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.2416 arcsec 2a = 0.48 arcsec Uncertainty : 0.004 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.33 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.678 b/a = 0.68 Uncertainty : 0.023 0.02 Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : 74.1 deg [J2000] 74 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 : 184.9262326344 5.5382837148 (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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