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Date and Time of the Query: 2019-08-17 T14:32:12 PDT
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Diameter data point(s) for object 2MASX J15404238+4221366

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.......:
7.7 (a) arcsec ... ... 0.880 (b/a) ... ... ... -5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 15.40 ... 0.88 0.12 0.13 28 175
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
14.6 (a) arcsec ... ... 0.880 (b/a) ... ... ... -5
[J2000]
Diameter for "total" magnitude 1.38E+14 29.30 ... 0.88 0.12 0.13 28 175
[J2000]
3 r (SDSS Isophotal)
2004SDSS2.C...0000:
13.94 (a) arcsec 13.35 arcsec ... ... ... ... 24.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 27.88 ... 0.96 0.04 0.04 17 24
[J2000]
4 r (SDSS Petrosian)
2004SDSS2.C...0000:
4.66 (a) arcsec ... ... ... 0.08 ... ... ... ... 4.77E+14 9.31 0.15 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
2.39 (a) arcsec ... ... 0.966 (b/a) 0.04 ... ... 39.0
[J2000]
... 4.77E+14 4.79 0.09 0.97 0.03 0.03 15 39
[J2000]
6 r (SDSS Exponential)
2004SDSS2.C...0000:
1.16 (a) arcsec ... ... 0.956 (b/a) 0.01 ... ... 46.0
[J2000]
... 4.77E+14 2.31 0.02 0.96 0.04 0.04 17 46
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
13.94 (a) arcsec 13.35 arcsec ... ... ... ... 24.0
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 27.88 ... 0.96 0.04 0.04 17 24
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
4.66 (a) arcsec ... ... ... 0.077 ... ... ... ... 4.77E+14 9.31 0.15 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.3931 (a) arcsec ... ... 0.966 (b/a) 0.044 ... ... 39.0
[J2000]
... 4.77E+14 4.79 0.09 0.97 0.03 0.03 15 39
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.1554 (a) arcsec ... ... 0.956 (b/a) 0.010 ... ... 46.0
[J2000]
... 4.77E+14 2.31 0.02 0.96 0.04 0.04 17 46
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J15404238+4221366       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 7.7        arcsec               2a = 15.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 13.55 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.880                         b/a = 0.88
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.12
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.13
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 28 deg
Position Angle [Equinox]      :   -5   deg [J2000]                  175 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          : 235.176666      42.360130    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15404238+4221366 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 14.6 arcsec 2a = 29.30 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 25.78 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.880 b/a = 0.88 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 28 deg Position Angle [Equinox] : -5 deg [J2000] 175 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 : 235.176666 42.360130 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J154042.40+422136.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 13.94 arcsec 2a = 27.88 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 13.35 arcsec 2b = 26.70 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.96 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 17 deg Position Angle [Equinox] : 24.0 deg [J2000] 24 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 : 235.1766815 42.3600769 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J154042.40+422136.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.66 arcsec 2a = 9.31 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 : 235.1766815 42.3600769 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J154042.40+422136.3 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.39 arcsec 2a = 4.79 arcsec Uncertainty : 0.04 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 4.63 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.966 b/a = 0.97 Uncertainty : 0.013 0.01 Ellipticity : ... 1 - b/a = 0.03 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.03 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 39.0 deg [J2000] 39 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 : 235.1766815 42.3600769 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J154042.40+422136.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.16 arcsec 2a = 2.31 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.21 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.956 b/a = 0.96 Uncertainty : 0.011 0.01 Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 17 deg Position Angle [Equinox] : 46.0 deg [J2000] 46 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 : 235.1766815 42.3600769 (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 J154042.40+422136.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 13.94 arcsec 2a = 27.88 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 13.35 arcsec 2b = 26.70 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.96 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 17 deg Position Angle [Equinox] : 24.0 deg [J2000] 24 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 : 235.1766840822 42.3600748998 (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 J154042.40+422136.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 4.66 arcsec 2a = 9.31 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 : 235.1766840822 42.3600748998 (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 J154042.40+422136.2 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.3931 arcsec 2a = 4.79 arcsec Uncertainty : 0.044 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 4.62 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.966 b/a = 0.97 Uncertainty : 0.013 0.01 Ellipticity : ... 1 - b/a = 0.03 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.03 Uncertainty : ... ... Cos-1(b/a) : ... 15 deg Position Angle [Equinox] : 39.0 deg [J2000] 39 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 : 235.1766840822 42.3600748998 (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 J154042.40+422136.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.1554 arcsec 2a = 2.31 arcsec Uncertainty : 0.010 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 2.21 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.956 b/a = 0.96 Uncertainty : 0.011 0.01 Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 17 deg Position Angle [Equinox] : 46.0 deg [J2000] 46 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 : 235.1766840822 42.3600748998 (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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