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Date and Time of the Query: 2019-05-21 T08:14:00 PDT
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Diameter data point(s) for object UGC 11958

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
2.30 arcmin 1.30 arcmin ... ... ... ... 131
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 138.00 ... 0.56 0.44 0.52 56 131
[J2000]
2 408 MHz
1969MNRAS.145...31M
270 arcsec ... ... ... ... ... ... 69
[B1950*]
... 4.08E+08 270.00 ... ... ... ... ... 69
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 11958                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.30       arcmin                   2a = 138.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.30      arcmin              2b = 78.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.56
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.44
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.52
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 56 deg
Position Angle [Equinox]      : 131    deg [B1950]                  131 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          : 221218.         +133500.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Diameters include more than one galaxy. 

No. 2 Published Units: Homogenized Units: Reference Code : 1969MNRAS.145...31M Published Object Name : 3C 442 Frequency Targeted : 408 MHz Major Axis (2a) : 270 arcsec 2a = 270.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : 69 deg [B1950*] 69 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : ... Frequency : 408 MHz 4.08E+08 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Eye estimate Measured Quantity : See comments Coordinates Targeted : Qualifiers : From new, raw data * : No epoch or equinox published; the value given is assumed by NED NED Comment : Overall angular extent

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