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Date and Time of the Query: 2019-03-25 T10:53:17 PDT
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Diameter data point(s) for object 2MASX J15211634+3044174

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.......:
5.8 (a) arcsec ... ... 0.560 (b/a) ... ... ... -45
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 11.60 ... 0.56 0.44 0.52 56 135
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
12.1 (a) arcsec ... ... 0.560 (b/a) ... ... ... -45
[J2000]
Diameter for "total" magnitude 1.38E+14 24.20 ... 0.56 0.44 0.52 56 135
[J2000]
3 r (SDSS Isophotal)
2005SDSS4.C...0000:
10.24 (a) arcsec 4.96 arcsec ... ... ... ... 130.9
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 20.48 ... 0.48 0.52 0.62 61 131
[J2000]
4 r (SDSS Petrosian)
2005SDSS4.C...0000:
2.32 (a) arcsec ... ... ... 0.13 ... ... ... ... 4.77E+14 4.64 0.27 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
2.06 (a) arcsec ... ... 0.450 (b/a) 0.04 ... ... 131.3
[J2000]
... 4.77E+14 4.12 0.07 0.45 0.55 0.66 63 131
[J2000]
6 r (SDSS Exponential)
2005SDSS4.C...0000:
1.16 (a) arcsec ... ... 0.462 (b/a) 0.01 ... ... 131.7
[J2000]
... 4.77E+14 2.31 0.02 0.46 0.54 0.65 62 132
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
10.24 (a) arcsec 4.96 arcsec ... ... ... ... 130.9
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 20.48 ... 0.48 0.52 0.62 61 131
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
2.32 (a) arcsec ... ... ... 0.133 ... ... ... ... 4.77E+14 4.64 0.27 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.0609 (a) arcsec ... ... 0.450 (b/a) 0.037 ... ... 131.3
[J2000]
... 4.77E+14 4.12 0.07 0.45 0.55 0.66 63 131
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.1573 (a) arcsec ... ... 0.462 (b/a) 0.012 ... ... 131.7
[J2000]
... 4.77E+14 2.31 0.03 0.46 0.54 0.65 62 132
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J15211634+3044174       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 5.8        arcsec               2a = 11.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 6.50 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]      :  -45   deg [J2000]                  135 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          : 230.318024      30.738241    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15211634+3044174 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 12.1 arcsec 2a = 24.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 13.55 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] : -45 deg [J2000] 135 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 : 230.318024 30.738241 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J152116.32+304417.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 10.24 arcsec 2a = 20.48 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 4.96 arcsec 2b = 9.92 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.48 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.62 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 130.9 deg [J2000] 131 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 : 230.3179932 30.7382603 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152116.32+304417.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.32 arcsec 2a = 4.64 arcsec Uncertainty : 0.13 arcsec 0.27 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 : 230.3179932 30.7382603 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152116.32+304417.7 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.06 arcsec 2a = 4.12 arcsec Uncertainty : 0.04 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 1.85 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.450 b/a = 0.45 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.55 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.66 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 131.3 deg [J2000] 131 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 : 230.3179932 30.7382603 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J152116.32+304417.7 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 = 1.07 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.462 b/a = 0.46 Uncertainty : 0.007 0.01 Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 131.7 deg [J2000] 132 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 : 230.3179932 30.7382603 (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 J152116.31+304417.7 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 10.24 arcsec 2a = 20.48 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 4.96 arcsec 2b = 9.92 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.48 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.62 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 130.9 deg [J2000] 131 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 : 230.3179885070 30.7382601933 (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 J152116.31+304417.7 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 2.32 arcsec 2a = 4.64 arcsec Uncertainty : 0.133 arcsec 0.27 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 : 230.3179885070 30.7382601933 (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 J152116.31+304417.7 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.0609 arcsec 2a = 4.12 arcsec Uncertainty : 0.037 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 1.85 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.450 b/a = 0.45 Uncertainty : 0.009 0.01 Ellipticity : ... 1 - b/a = 0.55 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.66 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 131.3 deg [J2000] 131 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 : 230.3179885070 30.7382601933 (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 J152116.31+304417.7 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.1573 arcsec 2a = 2.31 arcsec Uncertainty : 0.012 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 1.07 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.462 b/a = 0.46 Uncertainty : 0.007 0.01 Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 131.7 deg [J2000] 132 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 : 230.3179885070 30.7382601933 (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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