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Date and Time of the Query: 2019-05-20 T20:41:49 PDT
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Diameter data point(s) for object NGC 5145

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 1.80 arcmin ... ... ... ... 90
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 138.00 ... 0.78 0.22 0.24 38 90
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
30.5 (a) arcsec ... ... 0.580 (b/a) ... ... ... 85
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 61.00 ... 0.58 0.42 0.50 55 85
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
46.2 (a) arcsec ... ... 0.580 (b/a) ... ... ... 85
[J2000]
Diameter for "total" magnitude 1.38E+14 92.40 ... 0.58 0.42 0.50 55 85
[J2000]
4 POSS1 103a-O
1964MCG2..C...0000V
0.50 arcmin 0.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 30.00 ... 0.60 0.40 0.47 53 ...
5 POSS1 103a-O
1964MCG2..C...0000V
1.80 arcmin 1.70 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 108.00 ... 0.94 0.06 0.06 19 ...
6 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.30 log(2a) + 1 ... ... 0.05
log(a/b)
0.05 ... ... 90
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 119.70 14.60 0.89 0.11 0.11 27 90
[J2000]
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.30 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 119.70 ... ... ... ... ... ...
8 r (SDSS Isophotal)
2005SDSS4.C...0000:
44.46 (a) arcsec 31.46 arcsec ... ... ... ... 72.4
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 88.91 ... 0.71 0.29 0.33 45 72
[J2000]
9 r (SDSS Petrosian)
2005SDSS4.C...0000:
7.76 (a) arcsec ... ... ... 0.27 ... ... ... ... 4.77E+14 15.53 0.53 ... ... ... ... ...
10 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
4.60 (a) arcsec ... ... 0.700 (b/a) 0.02 ... ... 84.8
[J2000]
... 4.77E+14 9.21 0.04 0.70 0.30 0.34 46 85
[J2000]
11 r (SDSS Exponential)
2005SDSS4.C...0000:
3.72 (a) arcsec ... ... 0.613 (b/a) 0.01 ... ... 85.9
[J2000]
... 4.77E+14 7.45 0.02 0.61 0.39 0.45 52 86
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 08439                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 2.30       arcmin                   2a = 138.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.80      arcmin              2b = 108.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.78
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.22
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.24
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 38 deg
Position Angle [Equinox]      :  90    deg [B1950]                  90 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          : 132300.         +433100.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Minor diameter flagged uncertain.       

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13251390+4316018 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 30.5 arcsec 2a = 61.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 35.38 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.580 b/a = 0.58 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.42 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.50 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : 85 deg [J2000] 85 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 : 201.307938 43.267262 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13251390+4316018 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 46.2 arcsec 2a = 92.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 53.59 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.580 b/a = 0.58 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.42 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.50 Uncertainty : ... ... Cos-1(b/a) : ... 55 deg Position Angle [Equinox] : 85 deg [J2000] 85 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 : 201.307938 43.267262 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +07-28-009 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.50 arcmin 2a = 30.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 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] : ... ... 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 : 132306 +4333 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +07-28-009 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.80 arcmin 2a = 108.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.70 arcmin 2b = 102.00 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 : 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 : 132306 +4333 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 08439 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.30 2a = 119.70 arcsec Uncertainty : 0.05 14.60 arcsec Minor Axis (2b) : ... 2b = 106.65 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.05 b/a = 0.89 Uncertainty : 0.06 0.13 Ellipticity : ... 1 - b/a = 0.11 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.11 Uncertainty : ... ... Cos-1(b/a) : ... 27 deg Position Angle [Equinox] : 90 deg [J2000] 90 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 : 132514.2 +431600. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 08439 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.30 2a = 119.70 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 : 132514.2 +431600. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 8 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J132513.92+431602.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 44.46 arcsec 2a = 88.91 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 31.46 arcsec 2b = 62.91 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] = 0.33 Uncertainty : ... ... Cos-1(b/a) : ... 45 deg Position Angle [Equinox] : 72.4 deg [J2000] 72 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 : 201.3079834 43.2672653 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J132513.92+431602.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.76 arcsec 2a = 15.53 arcsec Uncertainty : 0.27 arcsec 0.53 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 : 201.3079834 43.2672653 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J132513.92+431602.2 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 4.60 arcsec 2a = 9.21 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 6.45 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.700 b/a = 0.70 Uncertainty : 0.003 0.00 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] : 84.8 deg [J2000] 85 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 : 201.3079834 43.2672653 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J132513.92+431602.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.72 arcsec 2a = 7.45 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.57 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.613 b/a = 0.61 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 85.9 deg [J2000] 86 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 : 201.3079834 43.2672653 (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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