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Date and Time of the Query: 2018-11-22 T02:16:45 PST
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Diameter data point(s) for object MESSIER 082

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 POSS1 103a-O
1973UGC...C...0000N
13.00 arcmin 6.00 arcmin ... ... ... ... 65
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 780.00 ... 0.46 0.54 0.65 62 65
[J2000]
2 POSS1 103a-O
1962MCG1..C...0000V
8.40 arcmin 3.40 arcmin ... ... ... ... ... High surface brightness 7.40E+14 504.00 ... 0.41 0.59 0.72 66 ...
3 POSS1 103a-E
1971MNRAS.151..421M
... ... ... ... ... ... ... ... 060
[B1950]
About 23 R mag arcsec^-2^ 4.65E+14 ... ... ... ... ... ... 60
[J2000]
4 408 & 1407 MHz
1971MNRAS.151..421M
... ... ... ... ... ... ... ... 065
[B1950]
Radio map contours 1.41E+09 ... ... ... ... ... ... 65
[J2000]
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
2.05 log(2a) + 1 ... ... 0.42
log(a/b)
0.01 ... ... 65
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 673.20 15.70 0.38 0.62 0.75 68 65
[J2000]
6 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.45 log(2a) + 1 ... ... ... 0.01 ... ... ... ... 6.81E+14 169.10 3.90 ... ... ... ... ...
7 RC3 D_0 (blue)
1991RC3.9.C...0000d
2.05 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 673.20 ... ... ... ... ... ...
8 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
227.3 (a) arcsec ... ... 0.320 (b/a) ... ... ... 67.5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 454.60 ... 0.32 0.68 0.81 71 68
[J2000]
9 K_s (LGA/2MASS "total")
2003AJ....125..525J
348.0 (a) arcsec ... ... 0.320 (b/a) ... ... ... 67.5
[J2000]
Diameter for "total" magnitude 1.38E+14 696.00 ... 0.32 0.68 0.81 71 68
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 05322                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 13.00      arcmin                   2a = 780.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  6.00      arcmin              2b = 360.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.46
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.54
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.65
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 62 deg
Position Angle [Equinox]      :  65    deg [B1950]                  65 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : About 25.0 B-mag arcsec^-2^   
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          : 095142.         +695500.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1962MCG1..C...0000V Published Object Name : MCG +12-10-011 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 8.40 arcmin 2a = 504.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 3.40 arcmin 2b = 204.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.41 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 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 : "Outer" diameter Coordinates Targeted : 095154 +6956 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1971MNRAS.151..421M Published Object Name : 3C 231 Frequency Targeted : POSS1 103a-E Major Axis : ... ... Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : 060 deg [B1950] 60 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : About 23 R mag arcsec^-2^ Frequency : 6450 A 4.65E+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 : Unspecified in paper Coordinates Targeted : Qualifiers : From new, raw data NED Comment : Position angle only
No. 4 Published Units: Homogenized Units: Reference Code : 1971MNRAS.151..421M Published Object Name : 3C 231 Frequency Targeted : 408 & 1407 MHz Major Axis : ... ... Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : 065 deg [B1950] 65 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Radio map contours Frequency : 1407 MHz 1.41E+09 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Eye estimate Measured Quantity : Unspecified in paper Coordinates Targeted : Qualifiers : From new, raw data NED Comment : Position angle only
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05322 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 2.05 2a = 673.20 arcsec Uncertainty : 0.01 15.70 arcsec Minor Axis (2b) : ... 2b = 255.82 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.42 b/a = 0.38 Uncertainty : 0.02 0.02 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] : 65 deg [J2000] 65 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 : 095554.0 +694057. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05322 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.45 2a = 169.10 arcsec Uncertainty : 0.01 3.90 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... 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 : 095554.0 +694057. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 7 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 05322 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 2.05 2a = 673.20 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 : 095554.0 +694057. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 8 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : MESSIER 082 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 227.3 arcsec 2a = 454.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 145.47 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.320 b/a = 0.32 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 67.5 deg [J2000] 68 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 : 148.968460 69.679703 (J2000) Qualifiers : From new, raw data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : MESSIER 082 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 348.0 arcsec 2a = 696.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 222.72 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.320 b/a = 0.32 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.68 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.81 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 67.5 deg [J2000] 68 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 : 148.968460 69.679703 (J2000) Qualifiers : From new, raw data NED Comment :

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