NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-07-18 T06:51:11 PDT
Help | Comment | NED Home

Diameter data point(s) for object NGC 0833

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.......:
38.2 (a) arcsec ... ... 0.480 (b/a) ... ... ... 75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 76.40 ... 0.48 0.52 0.63 61 75
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
56.0 (a) arcsec ... ... 0.480 (b/a) ... ... ... 75
[J2000]
Diameter for "total" magnitude 1.38E+14 112.10 ... 0.48 0.52 0.63 61 75
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.70 arcmin 0.40 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 42.00 ... 0.57 0.43 0.51 55 ...
4 POSS1 103a-O
1968MCG4..C...0000V
1.40 arcmin 0.60 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 84.00 ... 0.43 0.57 0.69 65 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.17 log(2a) + 1 ... ... 0.32
log(a/b)
0.05 ... ... 75
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 88.70 10.80 0.48 0.52 0.63 61 75
[J2000]
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.17 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 88.70 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2004SDSS2.C...0000:
56.54 (a) arcsec 21.52 arcsec ... ... ... ... 94.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 113.08 ... 0.38 0.62 0.75 68 94
[J2000]
8 r (SDSS Petrosian)
2004SDSS2.C...0000:
7.69 (a) arcsec ... ... ... 0.47 ... ... ... ... 4.77E+14 15.37 0.93 ... ... ... ... ...
9 r (SDSS de Vaucouleurs)
2004SDSS2.C...0000:
4.40 (a) arcsec ... ... 0.515 (b/a) 0.02 ... ... 81.7
[J2000]
... 4.77E+14 8.79 0.04 0.52 0.48 0.58 59 82
[J2000]
10 r (SDSS Exponential)
2004SDSS2.C...0000:
3.04 (a) arcsec ... ... 0.573 (b/a) 0.01 ... ... 76.1
[J2000]
... 4.77E+14 6.08 0.02 0.57 0.43 0.51 55 76
[J2000]
11 r (SDSS Isophotal)
2007SDSS6.C...0000:
56.54 (a) arcsec 21.52 arcsec ... ... ... ... 94.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 113.08 ... 0.38 0.62 0.75 68 94
[J2000]
12 r (SDSS Petrosian)
2007SDSS6.C...0000:
7.69 (a) arcsec ... ... ... 0.465 ... ... ... ... 4.77E+14 15.37 0.93 ... ... ... ... ...
13 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
4.3950 (a) arcsec ... ... 0.515 (b/a) 0.021 ... ... 81.7
[J2000]
... 4.77E+14 8.79 0.04 0.52 0.48 0.58 59 82
[J2000]
14 r (SDSS Exponential)
2007SDSS6.C...0000:
3.0392 (a) arcsec ... ... 0.573 (b/a) 0.012 ... ... 76.1
[J2000]
... 4.77E+14 6.08 0.02 0.57 0.43 0.51 55 76
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J02092086-1007591       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 38.2       arcsec               2a = 76.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 36.67 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.480                         b/a = 0.48
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.52
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.63
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 61 deg
Position Angle [Equinox]      :   75   deg [J2000]                  75 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          : 32.336906       -10.133094    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J02092086-1007591 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 56.0 arcsec 2a = 112.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 53.81 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.480 b/a = 0.48 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.63 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 75 deg [J2000] 75 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 : 32.336906 -10.133094 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -02-06-030 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.70 arcmin 2a = 42.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.57 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.51 Uncertainty : ... ... Cos-1(b/a) : ... 55 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 : 020700 -1021 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -02-06-030 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.40 arcmin 2a = 84.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.60 arcmin 2b = 36.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.43 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.57 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.69 Uncertainty : ... ... Cos-1(b/a) : ... 65 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Moderate 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 : "Outer" diameter Coordinates Targeted : 020700 -1021 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG -02-06-030 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.17 2a = 88.70 arcsec Uncertainty : 0.05 10.80 arcsec Minor Axis (2b) : ... 2b = 42.49 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.32 b/a = 0.48 Uncertainty : 0.05 0.06 Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.63 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : 75 deg [J2000] 75 deg [J2000] Uncertainty : ... ... Significance : Mean error Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+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 : Isophotal diameter Coordinates Targeted : 020921.1 -100800. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG -02-06-030 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.17 2a = 88.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+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 : Isophotal diameter Coordinates Targeted : 020921.1 -100800. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2004SDSS2.C...0000: Published Object Name : SDSS J020920.84-100759.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 56.54 arcsec 2a = 113.08 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 21.52 arcsec 2b = 43.04 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.38 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 94.1 deg [J2000] 94 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 : 32.3368454 -10.1330938 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J020920.84-100759.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.69 arcsec 2a = 15.37 arcsec Uncertainty : 0.47 arcsec 0.93 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 : 32.3368454 -10.1330938 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J020920.84-100759.1 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 4.40 arcsec 2a = 8.79 arcsec Uncertainty : 0.02 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.53 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.515 b/a = 0.52 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.48 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.58 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 81.7 deg [J2000] 82 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 : 32.3368454 -10.1330938 (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 : 2004SDSS2.C...0000: Published Object Name : SDSS J020920.84-100759.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.04 arcsec 2a = 6.08 arcsec Uncertainty : 0.01 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.48 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.573 b/a = 0.57 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.51 Uncertainty : ... ... Cos-1(b/a) : ... 55 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 : 32.3368454 -10.1330938 (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 J020920.84-100759.1 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 56.54 arcsec 2a = 113.08 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 21.52 arcsec 2b = 43.04 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.38 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 94.1 deg [J2000] 94 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 : 32.3368454789 -10.1330934293 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J020920.84-100759.1 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.69 arcsec 2a = 15.37 arcsec Uncertainty : 0.465 arcsec 0.93 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 : 32.3368454789 -10.1330934293 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 13 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J020920.84-100759.1 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 4.3950 arcsec 2a = 8.79 arcsec Uncertainty : 0.021 arcsec 0.04 arcsec Minor Axis (2b) : ... 2b = 4.53 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.515 b/a = 0.52 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.48 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.58 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 81.7 deg [J2000] 82 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 : 32.3368454789 -10.1330934293 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 14 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J020920.84-100759.1 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 3.0392 arcsec 2a = 6.08 arcsec Uncertainty : 0.012 arcsec 0.02 arcsec Minor Axis (2b) : ... 2b = 3.48 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.573 b/a = 0.57 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.43 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.51 Uncertainty : ... ... Cos-1(b/a) : ... 55 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 : 32.3368454789 -10.1330934293 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

Back to NED Home