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Date and Time of the Query: 2019-03-22 T12:03:27 PDT
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Diameter data point(s) for object IC 1141

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
0.50 arcmin 0.45 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 30.00 ... 0.90 0.10 0.10 26 ...
2 K_s (2MASS isophotal)
20032MASX.C.......:
18.1 (a) arcsec ... ... 0.760 (b/a) ... ... ... -75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 36.20 ... 0.76 0.24 0.27 41 105
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
29.9 (a) arcsec ... ... 0.760 (b/a) ... ... ... -75
[J2000]
Diameter for "total" magnitude 1.38E+14 59.80 ... 0.76 0.24 0.27 41 105
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
0.60 arcmin 0.60 arcmin ... ... ... ... ... High surface brightness 7.40E+14 36.00 ... 1.00 0.00 0.00 0 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.74 log(2a) + 1 ... ... 0.03
log(a/b)
0.09 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 33.00 7.60 0.93 0.07 0.07 21 ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.75 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 33.70 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
23.39 (a) arcsec 22.25 arcsec ... ... ... ... 68.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 46.78 ... 0.95 0.05 0.05 18 69
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.69 (a) arcsec ... ... ... 0.048 ... ... ... ... 4.77E+14 11.38 0.10 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
1.9156 (a) arcsec ... ... 0.755 (b/a) 0.012 ... ... 91.0
[J2000]
... 4.77E+14 3.83 0.02 0.76 0.24 0.27 41 91
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.9903 (a) arcsec ... ... 0.681 (b/a) 0.009 ... ... 91.2
[J2000]
... 4.77E+14 3.98 0.02 0.68 0.32 0.37 47 91
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 10051                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 0.50       arcmin                   2a = 30.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.45      arcmin              2b = 27.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.90
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.10
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.10
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 26 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          : 154730.         +123300.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15494695+1223576 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 18.1 arcsec 2a = 36.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 27.51 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.760 b/a = 0.76 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : -75 deg [J2000] 105 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 : 237.445618 12.399318 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15494695+1223576 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 29.9 arcsec 2a = 59.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 45.45 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.760 b/a = 0.76 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : -75 deg [J2000] 105 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 : 237.445618 12.399318 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +02-40-014 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.60 arcmin 2b = 36.00 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 : 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 : "Outer" diameter Coordinates Targeted : 154730 +1233 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 10051 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.74 2a = 33.00 arcsec Uncertainty : 0.09 7.60 arcsec Minor Axis (2b) : ... 2b = 30.79 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.03 b/a = 0.93 Uncertainty : 0.05 0.11 Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 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 : 154946.9 +122359. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 10051 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.75 2a = 33.70 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 : 154946.9 +122359. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J154946.94+122357.6 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 23.39 arcsec 2a = 46.78 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 22.25 arcsec 2b = 44.50 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.95 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.05 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.05 Uncertainty : ... ... Cos-1(b/a) : ... 18 deg Position Angle [Equinox] : 68.7 deg [J2000] 69 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 : 237.4455866440 12.3993358797 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J154946.94+122357.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.69 arcsec 2a = 11.38 arcsec Uncertainty : 0.048 arcsec 0.10 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 : 237.4455866440 12.3993358797 (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 J154946.94+122357.6 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 1.9156 arcsec 2a = 3.83 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.89 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.755 b/a = 0.76 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : 91.0 deg [J2000] 91 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 : 237.4455866440 12.3993358797 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J154946.94+122357.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.9903 arcsec 2a = 3.98 arcsec Uncertainty : 0.009 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.71 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.681 b/a = 0.68 Uncertainty : 0.003 0.00 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] : 91.2 deg [J2000] 91 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 : 237.4455866440 12.3993358797 (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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