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Date and Time of the Query: 2019-05-23 T16:08:15 PDT
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Diameter data point(s) for object NGC 0266

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
3.50 arcmin 3.30 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 210.00 ... 0.94 0.06 0.06 19 ...
2 K_s (2MASS isophotal)
20032MASX.C.......:
68.3 (a) arcsec ... ... 0.420 (b/a) ... ... ... -85
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 136.60 ... 0.42 0.58 0.70 65 95
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
95.0 (a) arcsec ... ... 0.420 (b/a) ... ... ... -85
[J2000]
Diameter for "total" magnitude 1.38E+14 190.00 ... 0.42 0.58 0.70 65 95
[J2000]
4 POSS1 103a-O
1964MCG2..C...0000V
0.50 arcmin 0.40 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 30.00 ... 0.80 0.20 0.22 37 ...
5 POSS1 103a-O
1964MCG2..C...0000V
2.40 arcmin 2.40 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 144.00 ... 1.00 0.00 0.00 0 ...
6 B (Johnson)
1994A&AS..106..451D
77.6 (a) arcsec ... ... ... 1.2 ... ... ... 25 B-mag arcsec^-2^ 6.81E+14 155.20 2.40 ... ... ... ... ...
7 R (Kron-Cousins)
1994A&AS..106..451D
76.3 (a) arcsec ... ... 0.88 (b/a) 0.8 ... ... 165.8
[J2000]
23.5 R-mag arcsec^-2^ 4.68E+14 152.60 1.60 0.88 0.12 0.13 28 166
[J2000]
8 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.47 log(2a) + 1 ... ... 0.01
log(a/b)
0.03 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 177.10 12.70 0.98 0.02 0.02 12 ...
9 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.15 log(2a) + 1 ... ... ... 0.05 ... ... ... ... 6.81E+14 84.80 10.30 ... ... ... ... ...
10 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.49 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 185.40 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 00508                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 3.50       arcmin                   2a = 210.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  3.30      arcmin              2b = 198.00 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)                    : ...                                 19 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          : 004706.         +320000.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J00494779+3216398 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 68.3 arcsec 2a = 136.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 57.37 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.420 b/a = 0.42 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.58 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.70 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : -85 deg [J2000] 95 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 : 12.449166 32.277710 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J00494779+3216398 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 95.0 arcsec 2a = 190.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 79.80 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.420 b/a = 0.42 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.58 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.70 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : -85 deg [J2000] 95 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 : 12.449166 32.277710 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +05-03-009 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.50 arcmin 2a = 30.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.80 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 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 : 004706 +3200 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +05-03-009 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.40 arcmin 2a = 144.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 2.40 arcmin 2b = 144.00 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 : 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 : 004706 +3200 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1994A&AS..106..451D Published Object Name : UGC 00508 Frequency Targeted : B (Johnson) Major Axis (2a) : a = 77.6 arcsec 2a = 155.20 arcsec Uncertainty : 1.2 arcsec 2.40 arcsec Minor Axis (2b) : ... 2b = -155044.80 arcsec Uncertainty : ... ... Axis Ratio : b/a = b/a = -999.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 1000.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 1.00 Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : rms noise Diameter Reference Level : 25 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Calibrated CCD image Fitting Technique : Profile fitting to image Measured Quantity : Isophotal diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : Qualifiers : From new, raw data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 1994A&AS..106..451D Published Object Name : UGC 00508 Frequency Targeted : R (Kron-Cousins) Major Axis (2a) : a = 76.3 arcsec 2a = 152.60 arcsec Uncertainty : 0.8 arcsec 1.60 arcsec Minor Axis (2b) : ... 2b = 134.29 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.88 b/a = 0.88 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 28 deg Position Angle [Equinox] : 165.8 deg [J2000] 166 deg [J2000] Uncertainty : 10 10 Significance : rms noise Diameter Reference Level : 23.5 R-mag arcsec^-2^ Frequency : 6400 A 4.68E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Calibrated CCD image Fitting Technique : Profile fitting to image Measured Quantity : Isophotal diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : Qualifiers : From new, raw data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 00508 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.47 2a = 177.10 arcsec Uncertainty : 0.03 12.70 arcsec Minor Axis (2b) : ... 2b = 173.03 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.01 b/a = 0.98 Uncertainty : 0.05 0.12 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] : ... ... 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 : 004948.2 +321643. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 00508 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.15 2a = 84.80 arcsec Uncertainty : 0.05 10.30 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 : 004948.2 +321643. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 10 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 00508 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.49 2a = 185.40 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 : 004948.2 +321643. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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