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Date and Time of the Query: 2019-03-26 T13:16:42 PDT
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Diameter data point(s) for object 2MASX J15215389+3033468

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.......:
5.0 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 10.00 ... 1.00 0.00 0.00 0 90
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
8.0 (a) arcsec ... ... 1.000 (b/a) ... ... ... 90
[J2000]
Diameter for "total" magnitude 1.38E+14 16.00 ... 1.00 0.00 0.00 0 90
[J2000]
3 r (SDSS Isophotal)
2005SDSS4.C...0000:
6.76 (a) arcsec 3.33 arcsec ... ... ... ... 128.8
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 13.52 ... 0.49 0.51 0.61 60 129
[J2000]
4 r (SDSS Petrosian)
2005SDSS4.C...0000:
1.11 (a) arcsec ... ... ... 0.08 ... ... ... ... 4.77E+14 2.22 0.16 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
0.57 (a) arcsec ... ... 0.400 (b/a) 0.03 ... ... 123.3
[J2000]
... 4.77E+14 1.14 0.07 0.40 0.60 0.72 66 123
[J2000]
6 r (SDSS Exponential)
2005SDSS4.C...0000:
0.63 (a) arcsec ... ... 0.311 (b/a) 0.03 ... ... 122.1
[J2000]
... 4.77E+14 1.26 0.06 0.31 0.69 0.82 72 122
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J15215389+3033468       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 5.0        arcsec               2a = 10.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 10.00 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 1.000                         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)                    : ...                                 0 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          : 230.474579      30.562998    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J15215389+3033468 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 8.0 arcsec 2a = 16.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 16.00 arcsec Uncertainty : ... ... Axis Ratio : b/a = 1.000 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) : ... 0 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 : 230.474579 30.562998 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J152153.90+303346.6 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 6.76 arcsec 2a = 13.52 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 3.33 arcsec 2b = 6.66 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 128.8 deg [J2000] 129 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 : 230.4745941 30.5629311 (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 J152153.90+303346.6 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 1.11 arcsec 2a = 2.22 arcsec Uncertainty : 0.08 arcsec 0.16 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 : 230.4745941 30.5629311 (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 J152153.90+303346.6 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 0.57 arcsec 2a = 1.14 arcsec Uncertainty : 0.03 arcsec 0.07 arcsec Minor Axis (2b) : ... 2b = 0.46 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.400 b/a = 0.40 Uncertainty : 0.041 0.04 Ellipticity : ... 1 - b/a = 0.60 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 123.3 deg [J2000] 123 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 : 230.4745941 30.5629311 (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 J152153.90+303346.6 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 0.63 arcsec 2a = 1.26 arcsec Uncertainty : 0.03 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 0.39 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.311 b/a = 0.31 Uncertainty : 0.031 0.03 Ellipticity : ... 1 - b/a = 0.69 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.82 Uncertainty : ... ... Cos-1(b/a) : ... 72 deg Position Angle [Equinox] : 122.1 deg [J2000] 122 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 : 230.4745941 30.5629311 (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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