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Date and Time of the Query: 2019-03-21 T01:16:30 PDT
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Diameter data point(s) for object IC 1054

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
1.00 arcmin 0.60 arcmin ... ... ... ... 10
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 60.00 ... 0.60 0.40 0.47 53 10
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
24.4 (a) arcsec ... ... 0.700 (b/a) ... ... ... 10
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 48.80 ... 0.70 0.30 0.34 46 10
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
45.0 (a) arcsec ... ... 0.700 (b/a) ... ... ... 10
[J2000]
Diameter for "total" magnitude 1.38E+14 89.90 ... 0.70 0.30 0.34 46 10
[J2000]
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.00 log(2a) + 1 ... ... 0.21
log(a/b)
0.10 ... ... 10
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 60.00 15.50 0.62 0.38 0.45 52 10
[J2000]
5 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.98 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 57.30 ... ... ... ... ... ...
6 r (SDSS Isophotal)
2004SDSS2.C...0000:
37.33 (a) arcsec 26.69 arcsec ... ... ... ... 13.3
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 74.66 ... 0.71 0.29 0.32 44 13
[J2000]
7 r (SDSS Petrosian)
2004SDSS2.C...0000:
5.86 (a) arcsec ... ... ... 0.28 ... ... ... ... 4.77E+14 11.73 0.55 ... ... ... ... ...
8 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
3.09 (a) arcsec ... ... 0.690 (b/a) 0.02 ... ... 10.6
[J2000]
... 4.77E+14 6.17 0.04 0.69 0.31 0.35 46 11
[J2000]
9 r (SDSS Exponential)
2004SDSS2.C...0000:
2.27 (a) arcsec ... ... 0.675 (b/a) 0.01 ... ... 11.3
[J2000]
... 4.77E+14 4.54 0.02 0.68 0.32 0.37 48 11
[J2000]
10 r (SDSS Isophotal)
2007SDSS6.C...0000:
37.33 (a) arcsec 26.69 arcsec ... ... ... ... 13.3
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 74.66 ... 0.71 0.29 0.32 44 13
[J2000]
11 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.86 (a) arcsec ... ... ... 0.275 ... ... ... ... 4.77E+14 11.73 0.55 ... ... ... ... ...
12 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
3.0874 (a) arcsec ... ... 0.690 (b/a) 0.021 ... ... 10.6
[J2000]
... 4.77E+14 6.17 0.04 0.69 0.31 0.35 46 11
[J2000]
13 r (SDSS Exponential)
2007SDSS6.C...0000:
2.2721 (a) arcsec ... ... 0.675 (b/a) 0.008 ... ... 11.3
[J2000]
... 4.77E+14 4.54 0.02 0.68 0.32 0.37 48 11
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 09514                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.00       arcmin                   2a = 60.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.60      arcmin              2b = 36.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.60
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.40
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.47
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 53 deg
Position Angle [Equinox]      :  10    deg [B1950]                  10 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          : 144400.         +012900.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14463127+0116286 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 24.4 arcsec 2a = 48.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 34.16 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.700 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 10 deg [J2000] 10 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 : 221.630234 1.274698 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J14463127+0116286 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 45.0 arcsec 2a = 89.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 62.93 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.700 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 10 deg [J2000] 10 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 : 221.630234 1.274698 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 09514 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.00 2a = 60.00 arcsec Uncertainty : 0.10 15.50 arcsec Minor Axis (2b) : ... 2b = 37.02 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.21 b/a = 0.62 Uncertainty : 0.04 0.06 Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 10 deg [J2000] 10 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 : 144630.0 +011600. (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 09514 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.98 2a = 57.30 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 : 144630.0 +011600. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 6 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J144631.24+011629.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 37.33 arcsec 2a = 74.66 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 26.69 arcsec 2b = 53.38 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 13.3 deg [J2000] 13 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 : 221.6301880 1.2747523 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J144631.24+011629.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.86 arcsec 2a = 11.73 arcsec Uncertainty : 0.28 arcsec 0.55 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 : 221.6301880 1.2747523 (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 J144631.24+011629.1 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 3.09 arcsec 2a = 6.17 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.26 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.690 b/a = 0.69 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.35 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 10.6 deg [J2000] 11 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 : 221.6301880 1.2747523 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 9 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J144631.24+011629.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.27 arcsec 2a = 4.54 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.06 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.675 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) : ... 48 deg Position Angle [Equinox] : 11.3 deg [J2000] 11 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 : 221.6301880 1.2747523 (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 J144631.24+011629.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 37.33 arcsec 2a = 74.66 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 26.69 arcsec 2b = 53.38 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.71 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.29 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 13.3 deg [J2000] 13 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 : 221.6301808005 1.2747522736 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J144631.24+011629.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.86 arcsec 2a = 11.73 arcsec Uncertainty : 0.275 arcsec 0.55 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 : 221.6301808005 1.2747522736 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J144631.24+011629.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 3.0874 arcsec 2a = 6.17 arcsec Uncertainty : 0.021 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.26 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.690 b/a = 0.69 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.31 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.35 Uncertainty : ... ... Cos-1(b/a) : ... 46 deg Position Angle [Equinox] : 10.6 deg [J2000] 11 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 : 221.6301808005 1.2747522736 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 13 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J144631.24+011629.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.2721 arcsec 2a = 4.54 arcsec Uncertainty : 0.008 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.07 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.675 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) : ... 48 deg Position Angle [Equinox] : 11.3 deg [J2000] 11 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 : 221.6301808005 1.2747522736 (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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