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Date and Time of the Query: 2019-03-23 T23:52:40 PDT
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Diameter data point(s) for object 2MASX J15211426+3037083

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.......:
5.4 (a) arcsec ... ... 0.650 (b/a) ... ... ... 30
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 10.80 ... 0.65 0.35 0.41 49 30
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
10.7 (a) arcsec ... ... 0.650 (b/a) ... ... ... 30
[J2000]
Diameter for "total" magnitude 1.38E+14 21.30 ... 0.65 0.35 0.41 49 30
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
8.99 (a) arcsec 4.68 arcsec ... ... ... ... 38.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 17.97 ... 0.52 0.48 0.57 59 39
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
1.21 (a) arcsec ... ... ... 0.06 ... ... ... ... 4.77E+14 2.42 0.11 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
0.71 (a) arcsec ... ... 0.470 (b/a) 0.01 ... ... 28.8
[J2000]
... 4.77E+14 1.41 0.02 0.47 0.53 0.64 62 29
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
0.53 (a) arcsec ... ... 0.531 (b/a) 0.01 ... ... 28.1
[J2000]
... 4.77E+14 1.06 0.01 0.53 0.47 0.56 58 28
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
8.99 (a) arcsec 4.68 arcsec ... ... ... ... 38.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 17.97 ... 0.52 0.48 0.57 59 39
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
1.21 (a) arcsec ... ... ... 0.057 ... ... ... ... 4.77E+14 2.42 0.11 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
0.7073 (a) arcsec ... ... 0.470 (b/a) 0.010 ... ... 28.8
[J2000]
... 4.77E+14 1.42 0.02 0.47 0.53 0.64 62 29
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
0.5320 (a) arcsec ... ... 0.531 (b/a) 0.006 ... ... 28.1
[J2000]
... 4.77E+14 1.06 0.01 0.53 0.47 0.56 58 28
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J15211426+3037083       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 5.4        arcsec               2a = 10.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 7.02 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.650                         b/a = 0.65
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.35
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.41
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 49 deg
Position Angle [Equinox]      :   30   deg [J2000]                  30 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          : 230.309341      30.618889    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15211426+3037083 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 10.7 arcsec 2a = 21.30 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 13.85 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.650 b/a = 0.65 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.35 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 30 deg [J2000] 30 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 : 230.309341 30.618889 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J152114.24+303707.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 8.99 arcsec 2a = 17.97 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 4.68 arcsec 2b = 9.35 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.52 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.48 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 38.7 deg [J2000] 39 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 : 230.3093414 30.6188507 (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 J152114.24+303707.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.21 arcsec 2a = 2.42 arcsec Uncertainty : 0.06 arcsec 0.11 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 : 230.3093414 30.6188507 (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 J152114.24+303707.9 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 0.71 arcsec 2a = 1.41 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 0.66 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.470 b/a = 0.47 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.64 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 28.8 deg [J2000] 29 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 : 230.3093414 30.6188507 (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 J152114.24+303707.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.53 arcsec 2a = 1.06 arcsec Uncertainty : 0.01 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.56 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.531 b/a = 0.53 Uncertainty : 0.008 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] : 28.1 deg [J2000] 28 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 : 230.3093414 30.6188507 (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 J152114.24+303707.8 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 8.99 arcsec 2a = 17.97 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 4.68 arcsec 2b = 9.36 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.52 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.48 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 38.7 deg [J2000] 39 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 : 230.3093357426 30.6188506998 (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 J152114.24+303707.8 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.21 arcsec 2a = 2.42 arcsec Uncertainty : 0.057 arcsec 0.11 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 : 230.3093357426 30.6188506998 (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 J152114.24+303707.8 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 0.7073 arcsec 2a = 1.42 arcsec Uncertainty : 0.010 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 0.67 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.470 b/a = 0.47 Uncertainty : 0.008 0.01 Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.64 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 28.8 deg [J2000] 29 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 : 230.3093357426 30.6188506998 (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 J152114.24+303707.8 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.5320 arcsec 2a = 1.06 arcsec Uncertainty : 0.006 arcsec 0.01 arcsec Minor Axis (2b) : ... 2b = 0.56 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.531 b/a = 0.53 Uncertainty : 0.008 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] : 28.1 deg [J2000] 28 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 : 230.3093357426 30.6188506998 (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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