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Date and Time of the Query: 2019-03-22 T11:49:44 PDT
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Diameter data point(s) for object 2MASX J15211172+3029553

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.......:
6.4 (a) arcsec ... ... 0.880 (b/a) ... ... ... 90
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 12.80 ... 0.88 0.12 0.13 28 90
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
9.4 (a) arcsec ... ... 0.880 (b/a) ... ... ... 90
[J2000]
Diameter for "total" magnitude 1.38E+14 18.80 ... 0.88 0.12 0.13 28 90
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
10.19 (a) arcsec 10.17 arcsec ... ... ... ... 144.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 20.37 ... 1.00 0.00 0.00 4 144
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
3.83 (a) arcsec ... ... ... 0.03 ... ... ... ... 4.77E+14 7.66 0.05 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
5.24 (a) arcsec ... ... 0.959 (b/a) 0.12 ... ... 76.1
[J2000]
... 4.77E+14 10.47 0.24 0.96 0.04 0.04 16 76
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
1.91 (a) arcsec ... ... 0.970 (b/a) 0.03 ... ... 68.6
[J2000]
... 4.77E+14 3.82 0.05 0.97 0.03 0.03 14 69
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
10.19 (a) arcsec 10.17 arcsec ... ... ... ... 144.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 20.37 ... 1.00 0.00 0.00 4 144
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
3.83 (a) arcsec ... ... ... 0.027 ... ... ... ... 4.77E+14 7.66 0.05 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
5.2358 (a) arcsec ... ... 0.959 (b/a) 0.120 ... ... 76.1
[J2000]
... 4.77E+14 10.47 0.24 0.96 0.04 0.04 16 76
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.9107 (a) arcsec ... ... 0.970 (b/a) 0.026 ... ... 68.6
[J2000]
... 4.77E+14 3.82 0.05 0.97 0.03 0.03 14 69
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J15211172+3029553       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 6.4        arcsec               2a = 12.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 11.26 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]      :   90   deg [J2000]                  90 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          : 230.298843      30.498667    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15211172+3029553 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 9.4 arcsec 2a = 18.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 16.54 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] : 90 deg [J2000] 90 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 : 230.298843 30.498667 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J152111.73+302955.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 10.19 arcsec 2a = 20.37 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 10.17 arcsec 2b = 20.33 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) : ... 4 deg Position Angle [Equinox] : 144.1 deg [J2000] 144 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 : 230.2988739 30.4986362 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J152111.73+302955.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.83 arcsec 2a = 7.66 arcsec Uncertainty : 0.03 arcsec 0.05 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 : 230.2988739 30.4986362 (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 J152111.73+302955.1 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 5.24 arcsec 2a = 10.47 arcsec Uncertainty : 0.12 arcsec 0.24 arcsec Minor Axis (2b) : ... 2b = 10.04 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.959 b/a = 0.96 Uncertainty : 0.021 0.02 Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 16 deg Position Angle [Equinox] : 76.1 deg [J2000] 76 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 : 230.2988739 30.4986362 (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 : 2006SDSS5.C...0000: Published Object Name : SDSS J152111.73+302955.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.91 arcsec 2a = 3.82 arcsec Uncertainty : 0.03 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 3.71 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.970 b/a = 0.97 Uncertainty : 0.016 0.02 Ellipticity : ... 1 - b/a = 0.03 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.03 Uncertainty : ... ... Cos-1(b/a) : ... 14 deg Position Angle [Equinox] : 68.6 deg [J2000] 69 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 : 230.2988739 30.4986362 (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 J152111.72+302955.0 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 10.19 arcsec 2a = 20.37 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 10.17 arcsec 2b = 20.33 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) : ... 4 deg Position Angle [Equinox] : 144.1 deg [J2000] 144 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 : 230.2988743595 30.4986367702 (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 J152111.72+302955.0 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.83 arcsec 2a = 7.66 arcsec Uncertainty : 0.027 arcsec 0.05 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 : 230.2988743595 30.4986367702 (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 J152111.72+302955.0 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 5.2358 arcsec 2a = 10.47 arcsec Uncertainty : 0.120 arcsec 0.24 arcsec Minor Axis (2b) : ... 2b = 10.04 arcsec Uncertainty : ... 0.01 Axis Ratio : b/a = 0.959 b/a = 0.96 Uncertainty : 0.021 0.02 Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 16 deg Position Angle [Equinox] : 76.1 deg [J2000] 76 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 : 230.2988743595 30.4986367702 (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 J152111.72+302955.0 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.9107 arcsec 2a = 3.82 arcsec Uncertainty : 0.026 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 3.71 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.970 b/a = 0.97 Uncertainty : 0.016 0.02 Ellipticity : ... 1 - b/a = 0.03 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.03 Uncertainty : ... ... Cos-1(b/a) : ... 14 deg Position Angle [Equinox] : 68.6 deg [J2000] 69 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 : 230.2988743595 30.4986367702 (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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