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Date and Time of the Query: 2019-03-23 T01:33:16 PDT
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Diameter data point(s) for object IC 0815

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.......:
15.0 (a) arcsec ... ... 0.800 (b/a) ... ... ... -30
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 30.00 ... 0.80 0.20 0.22 37 150
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
25.9 (a) arcsec ... ... 0.800 (b/a) ... ... ... -30
[J2000]
Diameter for "total" magnitude 1.38E+14 51.80 ... 0.80 0.20 0.22 37 150
[J2000]
3 POSS1 103a-O
1963MCG3..C...0000V
0.40 arcmin 0.40 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 24.00 ... 1.00 0.00 0.00 0 ...
4 r (SDSS Isophotal)
2006SDSS5.C...0000:
26.99 (a) arcsec 25.70 arcsec ... ... ... ... 150.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 53.98 ... 0.95 0.05 0.05 18 151
[J2000]
5 r (SDSS Petrosian)
2006SDSS5.C...0000:
5.45 (a) arcsec ... ... ... 0.08 ... ... ... ... 4.77E+14 10.91 0.15 ... ... ... ... ...
6 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
2.56 (a) arcsec ... ... 0.872 (b/a) 0.01 ... ... 133.3
[J2000]
... 4.77E+14 5.12 0.02 0.87 0.13 0.14 29 133
[J2000]
7 r (SDSS Exponential)
2006SDSS5.C...0000:
1.81 (a) arcsec ... ... 0.834 (b/a) 0.01 ... ... 132.5
[J2000]
... 4.77E+14 3.63 0.01 0.83 0.17 0.18 33 133
[J2000]
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
26.99 (a) arcsec 25.70 arcsec ... ... ... ... 150.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 53.98 ... 0.95 0.05 0.05 18 151
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
5.45 (a) arcsec ... ... ... 0.077 ... ... ... ... 4.77E+14 10.91 0.15 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.5599 (a) arcsec ... ... 0.872 (b/a) 0.012 ... ... 133.3
[J2000]
... 4.77E+14 5.12 0.02 0.87 0.13 0.14 29 133
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
1.8125 (a) arcsec ... ... 0.834 (b/a) 0.006 ... ... 132.5
[J2000]
... 4.77E+14 3.62 0.01 0.83 0.17 0.18 33 133
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12462267+1152357       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 15.0       arcsec               2a = 30.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 24.00 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.800                         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]      :  -30   deg [J2000]                  150 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          : 191.594498      11.876615    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12462267+1152357 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 25.9 arcsec 2a = 51.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 41.44 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.800 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] : -30 deg [J2000] 150 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 : 191.594498 11.876615 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +02-33-015 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 : 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 : "Inner" diameter Coordinates Targeted : 124354 +1209 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J124622.68+115235.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 26.99 arcsec 2a = 53.98 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 25.70 arcsec 2b = 51.40 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.95 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.05 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.05 Uncertainty : ... ... Cos-1(b/a) : ... 18 deg Position Angle [Equinox] : 150.6 deg [J2000] 151 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 : 191.5944824 11.8766079 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J124622.68+115235.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.45 arcsec 2a = 10.91 arcsec Uncertainty : 0.08 arcsec 0.15 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 : 191.5944824 11.8766079 (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 J124622.68+115235.8 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.56 arcsec 2a = 5.12 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.46 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.872 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) : ... 29 deg Position Angle [Equinox] : 133.3 deg [J2000] 133 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 : 191.5944824 11.8766079 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J124622.68+115235.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.81 arcsec 2a = 3.63 arcsec Uncertainty : 0.01 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 3.03 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.834 b/a = 0.83 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 33 deg Position Angle [Equinox] : 132.5 deg [J2000] 133 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 : 191.5944824 11.8766079 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J124622.67+115235.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 26.99 arcsec 2a = 53.98 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 25.70 arcsec 2b = 51.40 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.95 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.05 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.05 Uncertainty : ... ... Cos-1(b/a) : ... 18 deg Position Angle [Equinox] : 150.6 deg [J2000] 151 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 : 191.5944775027 11.8766084371 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J124622.67+115235.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 5.45 arcsec 2a = 10.91 arcsec Uncertainty : 0.077 arcsec 0.15 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 : 191.5944775027 11.8766084371 (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 J124622.67+115235.7 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.5599 arcsec 2a = 5.12 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.46 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.872 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) : ... 29 deg Position Angle [Equinox] : 133.3 deg [J2000] 133 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 : 191.5944775027 11.8766084371 (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 J124622.67+115235.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.8125 arcsec 2a = 3.62 arcsec Uncertainty : 0.006 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 3.02 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.834 b/a = 0.83 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 33 deg Position Angle [Equinox] : 132.5 deg [J2000] 133 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 : 191.5944775027 11.8766084371 (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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