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Date and Time of the Query: 2019-04-23 T17:28:46 PDT
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Diameter data point(s) for object 2MASX J08193806+2117071

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.......:
10.3 (a) arcsec ... ... 0.540 (b/a) ... ... ... 5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 20.60 ... 0.54 0.46 0.55 57 5
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
19.0 (a) arcsec ... ... 0.540 (b/a) ... ... ... 5
[J2000]
Diameter for "total" magnitude 1.38E+14 38.10 ... 0.54 0.46 0.55 57 5
[J2000]
3 r (SDSS Isophotal)
2006SDSS5.C...0000:
18.59 (a) arcsec 9.84 arcsec ... ... ... ... 4.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 37.19 ... 0.53 0.47 0.56 58 5
[J2000]
4 r (SDSS Petrosian)
2006SDSS5.C...0000:
3.58 (a) arcsec ... ... ... 0.22 ... ... ... ... 4.77E+14 7.17 0.44 ... ... ... ... ...
5 r (SDSS de Vaucouleurs)
2006SDSS5.C...0000:
2.64 (a) arcsec ... ... 0.492 (b/a) 0.02 ... ... 5.5
[J2000]
... 4.77E+14 5.27 0.05 0.49 0.51 0.61 61 6
[J2000]
6 r (SDSS Exponential)
2006SDSS5.C...0000:
1.59 (a) arcsec ... ... 0.514 (b/a) 0.01 ... ... 6.6
[J2000]
... 4.77E+14 3.18 0.02 0.51 0.49 0.58 59 7
[J2000]
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
18.59 (a) arcsec 9.84 arcsec ... ... ... ... 4.7
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 37.19 ... 0.53 0.47 0.56 58 5
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
3.58 (a) arcsec ... ... ... 0.220 ... ... ... ... 4.77E+14 7.17 0.44 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
2.6354 (a) arcsec ... ... 0.492 (b/a) 0.025 ... ... 5.5
[J2000]
... 4.77E+14 5.27 0.05 0.49 0.51 0.61 61 6
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
1.5914 (a) arcsec ... ... 0.514 (b/a) 0.011 ... ... 6.6
[J2000]
... 4.77E+14 3.18 0.02 0.51 0.49 0.58 59 7
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J08193806+2117071       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 10.3       arcsec               2a = 20.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 11.12 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.540                         b/a = 0.54
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.46
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.55
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 57 deg
Position Angle [Equinox]      :    5   deg [J2000]                  5 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          : 124.908676      21.285334    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J08193806+2117071 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 19.0 arcsec 2a = 38.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 20.57 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.540 b/a = 0.54 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.46 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.55 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : 5 deg [J2000] 5 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 : 124.908676 21.285334 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 2006SDSS5.C...0000: Published Object Name : SDSS J081938.08+211707.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 18.59 arcsec 2a = 37.19 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 9.84 arcsec 2b = 19.69 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.53 Uncertainty : ... ... 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] : 4.7 deg [J2000] 5 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 : 124.9086838 21.2853603 (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 J081938.08+211707.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.58 arcsec 2a = 7.17 arcsec Uncertainty : 0.22 arcsec 0.44 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 : 124.9086838 21.2853603 (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 J081938.08+211707.3 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 2.64 arcsec 2a = 5.27 arcsec Uncertainty : 0.02 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 2.59 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.492 b/a = 0.49 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 5.5 deg [J2000] 6 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 : 124.9086838 21.2853603 (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 J081938.08+211707.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.59 arcsec 2a = 3.18 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.63 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.514 b/a = 0.51 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.49 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.58 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 6.6 deg [J2000] 7 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 : 124.9086838 21.2853603 (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 J081938.08+211707.2 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 18.59 arcsec 2a = 37.19 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 9.84 arcsec 2b = 19.68 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.53 Uncertainty : ... ... 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] : 4.7 deg [J2000] 5 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 : 124.9086886907 21.2853594598 (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 J081938.08+211707.2 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 3.58 arcsec 2a = 7.17 arcsec Uncertainty : 0.220 arcsec 0.44 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 : 124.9086886907 21.2853594598 (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 J081938.08+211707.2 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 2.6354 arcsec 2a = 5.27 arcsec Uncertainty : 0.025 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 2.59 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.492 b/a = 0.49 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 5.5 deg [J2000] 6 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 : 124.9086886907 21.2853594598 (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 J081938.08+211707.2 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 1.5914 arcsec 2a = 3.18 arcsec Uncertainty : 0.011 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 1.64 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.514 b/a = 0.51 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.49 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.58 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 6.6 deg [J2000] 7 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 : 124.9086886907 21.2853594598 (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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