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Date and Time of the Query: 2019-05-21 T10:10:41 PDT
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Diameter data point(s) for object NGC 5544

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 1.00 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 60.00 ... 1.00 0.00 0.00 0 ...
2 POSS1 103a-O
1964MCG2..C...0000V
0.40 arcmin 0.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 24.00 ... 0.75 0.25 0.28 41 ...
3 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.99 log(2a) + 1 ... ... 0.01
log(a/b)
0.05 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 58.60 7.20 0.98 0.02 0.02 12 ...
4 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.99 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 58.60 ... ... ... ... ... ...
5 r (SDSS Isophotal)
2005SDSS4.C...0000:
34.74 (a) arcsec 33.53 arcsec ... ... ... ... 57.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 69.48 ... 0.96 0.04 0.04 15 57
[J2000]
6 r (SDSS Petrosian)
2005SDSS4.C...0000:
12.12 (a) arcsec ... ... ... 0.22 ... ... ... ... 4.77E+14 24.24 0.44 ... ... ... ... ...
7 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
4.68 (a) arcsec ... ... 0.866 (b/a) 0.03 ... ... 118.7
[J2000]
... 4.77E+14 9.36 0.06 0.87 0.13 0.14 30 119
[J2000]
8 r (SDSS Exponential)
2005SDSS4.C...0000:
4.43 (a) arcsec ... ... 0.822 (b/a) 0.02 ... ... 111.7
[J2000]
... 4.77E+14 8.86 0.03 0.82 0.18 0.19 35 112
[J2000]
9 r (SDSS Isophotal)
2007SDSS6.C...0000:
34.74 (a) arcsec 33.53 arcsec ... ... ... ... 57.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 69.48 ... 0.96 0.04 0.04 15 57
[J2000]
10 r (SDSS Petrosian)
2007SDSS6.C...0000:
12.12 (a) arcsec ... ... ... 0.221 ... ... ... ... 4.77E+14 24.25 0.44 ... ... ... ... ...
11 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.6793 (a) arcsec ... ... 0.866 (b/a) 0.032 ... ... 118.7
[J2000]
... 4.77E+14 9.36 0.07 0.87 0.13 0.14 30 119
[J2000]
12 r (SDSS Exponential)
2007SDSS6.C...0000:
4.4286 (a) arcsec ... ... 0.822 (b/a) 0.015 ... ... 111.7
[J2000]
... 4.77E+14 8.86 0.03 0.82 0.18 0.19 35 112
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 09142                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.00       arcmin                   2a = 60.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.00      arcmin              2b = 60.00 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      : 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          : 141500.         +364800.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-31-090 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.40 arcmin 2a = 24.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.75 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.25 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.28 Uncertainty : ... ... Cos-1(b/a) : ... 41 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 : 141454 +3648 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 09142 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.99 2a = 58.60 arcsec Uncertainty : 0.05 7.20 arcsec Minor Axis (2b) : ... 2b = 57.25 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 : 141702.5 +363421. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 09142 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.99 2a = 58.60 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 : 141702.5 +363421. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 5 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J141702.52+363417.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 34.74 arcsec 2a = 69.48 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 33.53 arcsec 2b = 67.06 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.96 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 57.4 deg [J2000] 57 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 : 214.2605133 36.5715828 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J141702.52+363417.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 12.12 arcsec 2a = 24.24 arcsec Uncertainty : 0.22 arcsec 0.44 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 : 214.2605133 36.5715828 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J141702.52+363417.7 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 4.68 arcsec 2a = 9.36 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 8.11 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.866 b/a = 0.87 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.13 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.14 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 118.7 deg [J2000] 119 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 : 214.2605133 36.5715828 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 8 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J141702.52+363417.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.43 arcsec 2a = 8.86 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 7.28 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.822 b/a = 0.82 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.18 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.19 Uncertainty : ... ... Cos-1(b/a) : ... 35 deg Position Angle [Equinox] : 111.7 deg [J2000] 112 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 : 214.2605133 36.5715828 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J141702.52+363417.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 34.74 arcsec 2a = 69.48 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 33.53 arcsec 2b = 67.06 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.96 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 57.4 deg [J2000] 57 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 : 214.2605154998 36.5715835588 (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 J141702.52+363417.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 12.12 arcsec 2a = 24.25 arcsec Uncertainty : 0.221 arcsec 0.44 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 : 214.2605154998 36.5715835588 (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 J141702.52+363417.7 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.6793 arcsec 2a = 9.36 arcsec Uncertainty : 0.032 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 8.10 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.866 b/a = 0.87 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.13 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.14 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 118.7 deg [J2000] 119 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 : 214.2605154998 36.5715835588 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J141702.52+363417.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.4286 arcsec 2a = 8.86 arcsec Uncertainty : 0.015 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 7.28 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.822 b/a = 0.82 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.18 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.19 Uncertainty : ... ... Cos-1(b/a) : ... 35 deg Position Angle [Equinox] : 111.7 deg [J2000] 112 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 : 214.2605154998 36.5715835588 (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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