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Date and Time of the Query: 2019-07-21 T18:57:53 PDT
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Diameter data point(s) for object 2MASX J12272257+3005326

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.......:
10.5 (a) arcsec ... ... 0.441 (b/a) ... ... ... 85
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 21.00 ... 0.44 0.56 0.67 64 85
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
18.0 (a) arcsec ... ... 0.441 (b/a) ... ... ... 85
[J2000]
Diameter for "total" magnitude 1.38E+14 36.00 ... 0.44 0.56 0.67 64 85
[J2000]
3 r (SDSS Isophotal)
2007SDSS6.C...0000:
11.42 (a) arcsec 8.56 arcsec ... ... ... ... 105.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 22.83 ... 0.75 0.25 0.28 41 106
[J2000]
4 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.89 (a) arcsec ... ... ... 0.098 ... ... ... ... 4.77E+14 5.78 0.20 ... ... ... ... ...
5 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.7952 (a) arcsec ... ... 0.553 (b/a) 0.042 ... ... 93.9
[J2000]
... 4.77E+14 5.59 0.08 0.55 0.45 0.53 56 94
[J2000]
6 r (SDSS Exponential)
2007SDSS6.C...0000:
1.5088 (a) arcsec ... ... 0.534 (b/a) 0.012 ... ... 94.6
[J2000]
... 4.77E+14 3.02 0.02 0.53 0.47 0.56 58 95
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J12272257+3005326       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 10.5       arcsec               2a = 21.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 9.26 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.441                         b/a = 0.44
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.56
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.67
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 64 deg
Position Angle [Equinox]      :   85   deg [J2000]                  85 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          : 186.844025      30.092499    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J12272257+3005326 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 18.0 arcsec 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 15.88 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.441 b/a = 0.44 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.56 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.67 Uncertainty : ... ... Cos-1(b/a) : ... 64 deg Position Angle [Equinox] : 85 deg [J2000] 85 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 : 186.844025 30.092499 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J122722.57+300533.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 11.42 arcsec 2a = 22.83 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 8.56 arcsec 2b = 17.11 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.75 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.25 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.28 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : 105.5 deg [J2000] 106 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 : 186.8440543724 30.0925436461 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J122722.57+300533.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.89 arcsec 2a = 5.78 arcsec Uncertainty : 0.098 arcsec 0.20 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 : 186.8440543724 30.0925436461 (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 J122722.57+300533.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.7952 arcsec 2a = 5.59 arcsec Uncertainty : 0.042 arcsec 0.08 arcsec Minor Axis (2b) : ... 2b = 3.09 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.553 b/a = 0.55 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.45 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 93.9 deg [J2000] 94 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 : 186.8440543724 30.0925436461 (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 : 2007SDSS6.C...0000: Published Object Name : SDSS J122722.57+300533.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.5088 arcsec 2a = 3.02 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.61 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.534 b/a = 0.53 Uncertainty : 0.006 0.01 Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 94.6 deg [J2000] 95 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 : 186.8440543724 30.0925436461 (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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