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Date and Time of the Query: 2019-03-25 T10:58:56 PDT
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Diameter data point(s) for object IC 0087

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.......:
16.8 (a) arcsec ... ... 0.560 (b/a) ... ... ... -75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 33.60 ... 0.56 0.44 0.52 56 105
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
40.0 (a) arcsec ... ... 0.560 (b/a) ... ... ... -75
[J2000]
Diameter for "total" magnitude 1.38E+14 80.00 ... 0.56 0.44 0.52 56 105
[J2000]
3 POSS1 103a-O
1963MCG3..C...0000V
0.30 arcmin 0.10 arcmin ... ... ... ... ... High surface brightness 7.40E+14 18.00 ... 0.33 0.67 0.80 71 ...
4 POSS1 103a-O
1963MCG3..C...0000V
0.50 arcmin 0.40 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 30.00 ... 0.80 0.20 0.22 37 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.74 log(2a) + 1 ... ... 0.09
log(a/b)
0.14 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 33.00 12.50 0.81 0.19 0.20 36 ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.74 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 33.00 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2004SDSS2.C...0000:
20.15 (a) arcsec 18.66 arcsec ... ... ... ... 142.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 40.30 ... 0.93 0.07 0.08 22 142
[J2000]
8 r (SDSS Petrosian)
2004SDSS2.C...0000:
6.71 (a) arcsec ... ... ... 0.05 ... ... ... ... 4.77E+14 13.42 0.11 ... ... ... ... ...
9 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
5.81 (a) arcsec ... ... 0.722 (b/a) 0.07 ... ... 90.4
[J2000]
... 4.77E+14 11.62 0.14 0.72 0.28 0.31 44 90
[J2000]
10 r (SDSS Exponential)
2004SDSS2.C...0000:
3.42 (a) arcsec ... ... 0.716 (b/a) 0.02 ... ... 90.8
[J2000]
... 4.77E+14 6.84 0.04 0.72 0.28 0.32 44 91
[J2000]
11 r (SDSS Isophotal)
2007SDSS6.C...0000:
20.15 (a) arcsec 18.66 arcsec ... ... ... ... 142.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 40.30 ... 0.93 0.07 0.08 22 142
[J2000]
12 r (SDSS Petrosian)
2007SDSS6.C...0000:
6.71 (a) arcsec ... ... ... 0.053 ... ... ... ... 4.77E+14 13.42 0.11 ... ... ... ... ...
13 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
5.8082 (a) arcsec ... ... 0.722 (b/a) 0.069 ... ... 90.4
[J2000]
... 4.77E+14 11.62 0.14 0.72 0.28 0.31 44 90
[J2000]
14 r (SDSS Exponential)
2007SDSS6.C...0000:
3.4185 (a) arcsec ... ... 0.716 (b/a) 0.018 ... ... 90.8
[J2000]
... 4.77E+14 6.84 0.04 0.72 0.28 0.32 44 91
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J01141582+0045556       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 16.8       arcsec               2a = 33.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 18.82 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.560                         b/a = 0.56
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.44
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.52
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 56 deg
Position Angle [Equinox]      :  -75   deg [J2000]                  105 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          : 18.565889       0.765362    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J01141582+0045556 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 40.0 arcsec 2a = 80.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 44.80 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.560 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : -75 deg [J2000] 105 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 : 18.565889 0.765362 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-04-048 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.30 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.10 arcmin 2b = 6.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.33 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.67 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.80 Uncertainty : ... ... Cos-1(b/a) : ... 71 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 : 011142 +0029 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-04-048 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.50 arcmin 2a = 30.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.80 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 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 : 011142 +0029 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG +00-04-048 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.74 2a = 33.00 arcsec Uncertainty : 0.14 12.50 arcsec Minor Axis (2b) : ... 2b = 26.83 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.09 b/a = 0.81 Uncertainty : 0.07 0.14 Ellipticity : ... 1 - b/a = 0.19 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.20 Uncertainty : ... ... Cos-1(b/a) : ... 36 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 : 011412.0 +004400. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG +00-04-048 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.74 2a = 33.00 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 : 011412.0 +004400. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J011415.79+004555.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 20.15 arcsec 2a = 40.30 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 18.66 arcsec 2b = 37.32 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.93 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 22 deg Position Angle [Equinox] : 142.1 deg [J2000] 142 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 : 18.5657959 0.7653343 (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 J011415.79+004555.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 6.71 arcsec 2a = 13.42 arcsec Uncertainty : 0.05 arcsec 0.11 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 : 18.5657959 0.7653343 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J011415.79+004555.2 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 5.81 arcsec 2a = 11.62 arcsec Uncertainty : 0.07 arcsec 0.14 arcsec Minor Axis (2b) : ... 2b = 8.39 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.722 b/a = 0.72 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.28 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 90.4 deg [J2000] 90 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 : 18.5657959 0.7653343 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J011415.79+004555.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.42 arcsec 2a = 6.84 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.90 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.716 b/a = 0.72 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.28 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 90.8 deg [J2000] 91 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 : 18.5657959 0.7653343 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J011415.79+004555.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 20.15 arcsec 2a = 40.30 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 18.66 arcsec 2b = 37.32 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.93 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.08 Uncertainty : ... ... Cos-1(b/a) : ... 22 deg Position Angle [Equinox] : 142.1 deg [J2000] 142 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 : 18.5657964202 0.7653342518 (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 J011415.79+004555.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 6.71 arcsec 2a = 13.42 arcsec Uncertainty : 0.053 arcsec 0.11 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 : 18.5657964202 0.7653342518 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 13 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J011415.79+004555.2 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 5.8082 arcsec 2a = 11.62 arcsec Uncertainty : 0.069 arcsec 0.14 arcsec Minor Axis (2b) : ... 2b = 8.39 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.722 b/a = 0.72 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.28 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 90.4 deg [J2000] 90 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 : 18.5657964202 0.7653342518 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 14 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J011415.79+004555.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.4185 arcsec 2a = 6.84 arcsec Uncertainty : 0.018 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.90 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.716 b/a = 0.72 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.28 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.32 Uncertainty : ... ... Cos-1(b/a) : ... 44 deg Position Angle [Equinox] : 90.8 deg [J2000] 91 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 : 18.5657964202 0.7653342518 (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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