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Date and Time of the Query: 2019-08-25 T07:38:22 PDT
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Diameter data point(s) for object IC 4115

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.......:
14.8 (a) arcsec ... ... 0.680 (b/a) ... ... ... -15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 29.60 ... 0.68 0.32 0.37 47 165
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
29.2 (a) arcsec ... ... 0.680 (b/a) ... ... ... -15
[J2000]
Diameter for "total" magnitude 1.38E+14 58.40 ... 0.68 0.32 0.37 47 165
[J2000]
3 POSS1 103a-O
1964MCG2..C...0000V
0.40 arcmin 0.40 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 24.00 ... 1.00 0.00 0.00 0 ...
4 r (SDSS Isophotal)
2007SDSS6.C...0000:
19.61 (a) arcsec 15.51 arcsec ... ... ... ... 47.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 39.23 ... 0.79 0.21 0.23 38 47
[J2000]
5 r (SDSS Petrosian)
2007SDSS6.C...0000:
6.39 (a) arcsec ... ... ... 0.052 ... ... ... ... 4.77E+14 12.78 0.10 ... ... ... ... ...
6 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
8.5712 (a) arcsec ... ... 0.937 (b/a) 0.098 ... ... 27.7
[J2000]
... 4.77E+14 17.14 0.20 0.94 0.06 0.06 20 28
[J2000]
7 r (SDSS Exponential)
2007SDSS6.C...0000:
3.2949 (a) arcsec ... ... 0.935 (b/a) 0.018 ... ... 20.1
[J2000]
... 4.77E+14 6.59 0.04 0.94 0.06 0.07 21 20
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J13024873+3713231       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 14.8       arcsec               2a = 29.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 20.13 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.680                         b/a = 0.68
Uncertainty                   : ...                                 ...
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]      :  -15   deg [J2000]                  165 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          : 195.703064      37.223122    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13024873+3713231 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 29.2 arcsec 2a = 58.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 39.71 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.680 b/a = 0.68 Uncertainty : ... ... 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] : -15 deg [J2000] 165 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 : 195.703064 37.223122 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-29-020 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.40 arcmin 2a = 24.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 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 : 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 : 130030 +3730 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J130248.72+371323.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 19.61 arcsec 2a = 39.23 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 15.51 arcsec 2b = 31.02 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.79 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.21 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.23 Uncertainty : ... ... Cos-1(b/a) : ... 38 deg Position Angle [Equinox] : 47.0 deg [J2000] 47 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 : 195.7030235086 37.2232092481 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J130248.72+371323.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 6.39 arcsec 2a = 12.78 arcsec Uncertainty : 0.052 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 : 195.7030235086 37.2232092481 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J130248.72+371323.5 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 8.5712 arcsec 2a = 17.14 arcsec Uncertainty : 0.098 arcsec 0.20 arcsec Minor Axis (2b) : ... 2b = 16.06 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.937 b/a = 0.94 Uncertainty : 0.010 0.01 Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.06 Uncertainty : ... ... Cos-1(b/a) : ... 20 deg Position Angle [Equinox] : 27.7 deg [J2000] 28 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 : 195.7030235086 37.2232092481 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J130248.72+371323.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.2949 arcsec 2a = 6.59 arcsec Uncertainty : 0.018 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 6.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.935 b/a = 0.94 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 20.1 deg [J2000] 20 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 : 195.7030235086 37.2232092481 (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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