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Date and Time of the Query: 2019-03-26 T04:07:50 PDT
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Diameter data point(s) for object IC 3505

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 K_s (2MASS isophotal)
20032MASX.C.......:
24.5 (a) arcsec ... ... 0.280 (b/a) ... ... ... -10
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 49.00 ... 0.28 0.72 0.85 74 170
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
38.9 (a) arcsec ... ... 0.280 (b/a) ... ... ... -10
[J2000]
Diameter for "total" magnitude 1.38E+14 77.90 ... 0.28 0.72 0.85 74 170
[J2000]
3 POSS1 103a-O
1964MCG2..C...0000V
0.50 arcmin 0.10 arcmin ... ... ... ... ... High surface brightness 7.40E+14 30.00 ... 0.20 0.80 0.92 78 ...
4 POSS1 103a-O
1964MCG2..C...0000V
0.80 arcmin 0.35 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 48.00 ... 0.44 0.56 0.68 64 ...
5 r (SDSS Isophotal)
2006SDSS5.C...0000:
32.78 (a) arcsec 12.93 arcsec ... ... ... ... 172.9
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 65.56 ... 0.40 0.60 0.73 67 173
[J2000]
6 r (SDSS Petrosian)
2006SDSS5.C...0000:
7.22 (a) arcsec ... ... ... 0.47 ... ... ... ... 4.77E+14 14.44 0.93 ... ... ... ... ...
7 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
8.93 (a) arcsec ... ... 0.396 (b/a) 0.08 ... ... 171.5
[J2000]
... 4.77E+14 17.86 0.16 0.40 0.60 0.73 67 172
[J2000]
8 r (SDSS Exponential)
2006SDSS5.C...0000:
4.80 (a) arcsec ... ... 0.347 (b/a) 0.03 ... ... 172.6
[J2000]
... 4.77E+14 9.60 0.05 0.35 0.65 0.79 70 173
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12341031+1558058       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 24.5       arcsec               2a = 49.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 13.72 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.280                         b/a = 0.28
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.72
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.85
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 74 deg
Position Angle [Equinox]      :  -10   deg [J2000]                  170 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          : 188.542969      15.968272    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12341031+1558058 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 38.9 arcsec 2a = 77.90 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 21.81 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.280 b/a = 0.28 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.72 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 74 deg Position Angle [Equinox] : -10 deg [J2000] 170 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 : 188.542969 15.968272 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-32-070 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.50 arcmin 2a = 30.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.10 arcmin 2b = 6.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 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 : "Inner" diameter Coordinates Targeted : 123136 +1614 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-32-070 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.80 arcmin 2a = 48.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.35 arcmin 2b = 21.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.44 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.56 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.68 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Moderate 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 : 123136 +1614 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J123410.31+155805.6 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 32.78 arcsec 2a = 65.56 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 12.93 arcsec 2b = 25.86 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 67 deg Position Angle [Equinox] : 172.9 deg [J2000] 173 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 : 188.5429535 15.9682159 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J123410.31+155805.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.22 arcsec 2a = 14.44 arcsec Uncertainty : 0.47 arcsec 0.93 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 : 188.5429535 15.9682159 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J123410.31+155805.6 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 8.93 arcsec 2a = 17.86 arcsec Uncertainty : 0.08 arcsec 0.16 arcsec Minor Axis (2b) : ... 2b = 7.07 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.396 b/a = 0.40 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.73 Uncertainty : ... ... Cos-1(b/a) : ... 67 deg Position Angle [Equinox] : 171.5 deg [J2000] 172 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 : 188.5429535 15.9682159 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J123410.31+155805.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.80 arcsec 2a = 9.60 arcsec Uncertainty : 0.03 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 3.33 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.347 b/a = 0.35 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.65 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.79 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 172.6 deg [J2000] 173 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 : 188.5429535 15.9682159 (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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