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Date and Time of the Query: 2019-05-23 T14:29:24 PDT
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Diameter data point(s) for object IC 2707

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.......:
9.5 (a) arcsec ... ... 0.640 (b/a) ... ... ... 5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 19.00 ... 0.64 0.36 0.42 50 5
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
19.3 (a) arcsec ... ... 0.640 (b/a) ... ... ... 5
[J2000]
Diameter for "total" magnitude 1.38E+14 38.70 ... 0.64 0.36 0.42 50 5
[J2000]
3 r (SDSS Isophotal)
2004SDSS3.C...0000:
14.73 (a) arcsec 12.00 arcsec ... ... ... ... 142.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 29.47 ... 0.81 0.19 0.20 36 143
[J2000]
4 r (SDSS Petrosian)
2004SDSS3.C...0000:
4.27 (a) arcsec ... ... ... 0.04 ... ... ... ... 4.77E+14 8.55 0.09 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2004SDSS3.C...0000:
2.88 (a) arcsec ... ... 0.644 (b/a) 0.04 ... ... 155.3
[J2000]
... 4.77E+14 5.76 0.08 0.64 0.36 0.41 50 155
[J2000]
6 r (SDSS Exponential)
2004SDSS3.C...0000:
1.73 (a) arcsec ... ... 0.602 (b/a) 0.01 ... ... 157.3
[J2000]
... 4.77E+14 3.47 0.02 0.60 0.40 0.47 53 157
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
14.73 (a) arcsec 12.00 arcsec ... ... ... ... 142.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 29.47 ... 0.81 0.19 0.20 36 143
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
4.27 (a) arcsec ... ... ... 0.044 ... ... ... ... 4.77E+14 8.55 0.09 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.8806 (a) arcsec ... ... 0.644 (b/a) 0.042 ... ... 155.3
[J2000]
... 4.77E+14 5.76 0.09 0.64 0.36 0.41 50 155
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.7348 (a) arcsec ... ... 0.602 (b/a) 0.012 ... ... 157.3
[J2000]
... 4.77E+14 3.47 0.02 0.60 0.40 0.47 53 157
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J11183086+0928291       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 9.5        arcsec               2a = 19.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 12.16 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.640                         b/a = 0.64
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.36
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.42
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 50 deg
Position Angle [Equinox]      :    5   deg [J2000]                  5 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          : 169.628555      9.474793    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11183086+0928291 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 19.3 arcsec 2a = 38.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 24.77 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.640 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 5 deg [J2000] 5 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 : 169.628555 9.474793 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J111830.84+092829.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 14.73 arcsec 2a = 29.47 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 12.00 arcsec 2b = 24.01 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.81 Uncertainty : ... ... 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] : 142.5 deg [J2000] 143 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 : 169.6284943 9.4748659 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J111830.84+092829.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.27 arcsec 2a = 8.55 arcsec Uncertainty : 0.04 arcsec 0.09 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 : 169.6284943 9.4748659 (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 : 2004SDSS3.C...0000: Published Object Name : SDSS J111830.84+092829.5 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.88 arcsec 2a = 5.76 arcsec Uncertainty : 0.04 arcsec 0.08 arcsec Minor Axis (2b) : ... 2b = 3.71 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.644 b/a = 0.64 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 155.3 deg [J2000] 155 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 : 169.6284943 9.4748659 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 6 Published Units: Homogenized Units: Reference Code : 2004SDSS3.C...0000: Published Object Name : SDSS J111830.84+092829.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.73 arcsec 2a = 3.47 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.09 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.602 b/a = 0.60 Uncertainty : 0.006 0.01 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] : 157.3 deg [J2000] 157 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 : 169.6284943 9.4748659 (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 J111830.83+092829.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 14.73 arcsec 2a = 29.47 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 12.00 arcsec 2b = 24.01 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.81 Uncertainty : ... ... 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] : 142.5 deg [J2000] 143 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 : 169.6284895845 9.4748658511 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J111830.83+092829.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.27 arcsec 2a = 8.55 arcsec Uncertainty : 0.044 arcsec 0.09 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 : 169.6284895845 9.4748658511 (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 J111830.83+092829.5 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.8806 arcsec 2a = 5.76 arcsec Uncertainty : 0.042 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 3.71 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.644 b/a = 0.64 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : 155.3 deg [J2000] 155 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 : 169.6284895845 9.4748658511 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J111830.83+092829.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.7348 arcsec 2a = 3.47 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.09 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.602 b/a = 0.60 Uncertainty : 0.006 0.01 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] : 157.3 deg [J2000] 157 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 : 169.6284895845 9.4748658511 (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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