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Date and Time of the Query: 2019-06-25 T05:30:53 PDT
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Diameter data point(s) for object IC 0891

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.......:
17.6 (a) arcsec ... ... 0.840 (b/a) ... ... ... -15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 35.20 ... 0.84 0.16 0.17 33 165
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
29.3 (a) arcsec ... ... 0.840 (b/a) ... ... ... -15
[J2000]
Diameter for "total" magnitude 1.38E+14 58.50 ... 0.84 0.16 0.17 33 165
[J2000]
3 POSS1 103a-O
1963MCG3..C...0000V
0.25 arcmin 0.20 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 15.00 ... 0.80 0.20 0.22 37 ...
4 r (SDSS Isophotal)
2004SDSS2.C...0000:
30.60 (a) arcsec 29.33 arcsec ... ... ... ... 150.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 61.20 ... 0.96 0.04 0.04 16 151
[J2000]
5 r (SDSS Petrosian)
2004SDSS2.C...0000:
7.05 (a) arcsec ... ... ... 0.06 ... ... ... ... 4.77E+14 14.10 0.11 ... ... ... ... ...
6 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
3.42 (a) arcsec ... ... 0.878 (b/a) 0.02 ... ... 157.3
[J2000]
... 4.77E+14 6.84 0.03 0.88 0.12 0.13 29 157
[J2000]
7 r (SDSS Exponential)
2004SDSS2.C...0000:
2.81 (a) arcsec ... ... 0.852 (b/a) 0.01 ... ... 159.1
[J2000]
... 4.77E+14 5.63 0.02 0.85 0.15 0.16 32 159
[J2000]
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
30.60 (a) arcsec 29.33 arcsec ... ... ... ... 150.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 61.20 ... 0.96 0.04 0.04 16 151
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
7.05 (a) arcsec ... ... ... 0.055 ... ... ... ... 4.77E+14 14.10 0.11 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
3.4212 (a) arcsec ... ... 0.878 (b/a) 0.016 ... ... 157.3
[J2000]
... 4.77E+14 6.84 0.03 0.88 0.12 0.13 29 157
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
2.8146 (a) arcsec ... ... 0.852 (b/a) 0.008 ... ... 159.1
[J2000]
... 4.77E+14 5.63 0.02 0.85 0.15 0.16 32 159
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J13295990+0018183       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 17.6       arcsec               2a = 35.20 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 29.57 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.840                         b/a = 0.84
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.16
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.17
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 33 deg
Position Angle [Equinox]      :  -15   deg [J2000]                  165 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          : 202.499588      0.305098    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J13295990+0018183 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 29.3 arcsec 2a = 58.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 49.14 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.840 b/a = 0.84 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.16 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.17 Uncertainty : ... ... Cos-1(b/a) : ... 33 deg Position Angle [Equinox] : -15 deg [J2000] 165 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 : 202.499588 0.305098 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-34-040 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.25 arcmin 2a = 15.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.80 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Very high surface brightness Frequency : 4050 A 7.40E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Eye estimate Measured Quantity : "Inner" diameter Coordinates Targeted : 132724 +0033 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J132959.92+001818.4 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 30.60 arcsec 2a = 61.20 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 29.33 arcsec 2b = 58.66 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.96 Uncertainty : ... ... 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] : 150.6 deg [J2000] 151 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 : 202.4996796 0.3051001 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J132959.92+001818.4 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.05 arcsec 2a = 14.10 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 : 202.4996796 0.3051001 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J132959.92+001818.4 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 3.42 arcsec 2a = 6.84 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.01 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.878 b/a = 0.88 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 29 deg Position Angle [Equinox] : 157.3 deg [J2000] 157 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 : 202.4996796 0.3051001 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J132959.92+001818.4 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.81 arcsec 2a = 5.63 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.80 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.852 b/a = 0.85 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.15 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.16 Uncertainty : ... ... Cos-1(b/a) : ... 32 deg Position Angle [Equinox] : 159.1 deg [J2000] 159 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 : 202.4996796 0.3051001 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J132959.91+001818.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 30.60 arcsec 2a = 61.20 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 29.33 arcsec 2b = 58.66 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.96 Uncertainty : ... ... 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] : 150.6 deg [J2000] 151 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 : 202.4996659730 0.3051000350 (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 J132959.91+001818.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.05 arcsec 2a = 14.10 arcsec Uncertainty : 0.055 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 : 202.4996659730 0.3051000350 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J132959.91+001818.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 3.4212 arcsec 2a = 6.84 arcsec Uncertainty : 0.016 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 6.01 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.878 b/a = 0.88 Uncertainty : 0.004 0.00 Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 29 deg Position Angle [Equinox] : 157.3 deg [J2000] 157 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 : 202.4996659730 0.3051000350 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J132959.91+001818.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 2.8146 arcsec 2a = 5.63 arcsec Uncertainty : 0.008 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 4.80 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.852 b/a = 0.85 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.15 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.16 Uncertainty : ... ... Cos-1(b/a) : ... 32 deg Position Angle [Equinox] : 159.1 deg [J2000] 159 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 : 202.4996659730 0.3051000350 (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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