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Date and Time of the Query: 2019-05-24 T04:26:13 PDT
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Diameter data point(s) for object NGC 1947

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 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
2.00 arcmin 2.00 arcmin ... ... ... ... 119
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 120.00 ... 1.00 0.00 0.00 0 120
[J2000]
2 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
216.27 arcsec ... ... 1.14 (a/b) ... ... ... 48.57
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 216.27 ... 0.88 0.12 0.13 29 49
[J2000]
3 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
323.59 arcsec ... ... 1.14 (a/b) ... ... ... 48.57
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 323.59 ... 0.88 0.12 0.13 29 49
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
151.36 arcsec ... ... 1.14 (a/b) ... ... ... 48.57
[B1950]
70% total B light 6.81E+14 151.36 ... 0.88 0.12 0.13 29 49
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
204.17 arcsec ... ... 1.14 (a/b) ... ... ... 48.57
[B1950]
80% total B light 6.81E+14 204.17 ... 0.88 0.12 0.13 29 49
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
281.84 arcsec ... ... 1.14 (a/b) ... ... ... 48.57
[B1950]
90% total B light 6.81E+14 281.84 ... 0.88 0.12 0.13 29 49
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
83.18 arcsec ... ... 1.14 (a/b) ... ... ... 48.57
[B1950]
50% total B light, major dia. 6.81E+14 83.18 ... 0.88 0.12 0.13 29 49
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
78.52 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 78.52 ... ... ... ... ... ...
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
19.69 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 19.69 ... ... ... ... ... ...
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.64 arcsec ... ... 1.14 (a/b) ... ... ... 48.57
[B1950]
B exponential scale length 6.81E+14 0.64 ... 0.88 0.12 0.13 29 49
[J2000]
11 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.26 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.26 ... ... ... ... ... ...
12 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.48 log(2a) + 1 ... ... 0.07
log(a/b)
0.03 ... ... 119
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 181.20 13.00 0.85 0.15 0.16 32 120
[J2000]
13 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.03 log(2a) + 1 ... ... ... 0.01 ... ... ... ... 6.81E+14 64.30 1.50 ... ... ... ... ...
14 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.49 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 185.40 ... ... ... ... ... ...
15 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
70.9 (a) arcsec ... ... 0.990 (b/a) ... ... ... 89.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 141.80 ... 0.99 0.01 0.01 8 89
[J2000]
16 K_s (LGA/2MASS "total")
2003AJ....125..525J
116.5 (a) arcsec ... ... 0.990 (b/a) ... ... ... 89.0
[J2000]
Diameter for "total" magnitude 1.38E+14 233.00 ... 0.99 0.01 0.01 8 89
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1982ESOU..C...0000L
Published Object Name         : ESO 085- G 087                
Frequency Targeted            : ESO-Uppsala "Quick Blue" IIa-O
Major Axis (2a)               : 2.00       arcmin                   2a = 120.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =   2.00     arcmin              2b = 120.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 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]      : 119    deg [B1950]                  120 deg [J2000]
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : About 25.5 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         : "Outer" diameter
Coordinates Targeted          : 052628.         -634806.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Diameters flagged uncertain.            

No. 2 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 216.27 arcsec 2a = 216.27 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 247.17 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.14 b/a = 0.88 Uncertainty : ... ... 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] : 48.57 deg [B1950] 49 deg [J2000] 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 3 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 323.59 arcsec 2a = 323.59 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 369.82 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.14 b/a = 0.88 Uncertainty : ... ... 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] : 48.57 deg [B1950] 49 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 26.0 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 151.36 arcsec 2a = 151.36 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 172.98 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.14 b/a = 0.88 Uncertainty : ... ... 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] : 48.57 deg [B1950] 49 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 70% total B light 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 204.17 arcsec 2a = 204.17 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 233.34 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.14 b/a = 0.88 Uncertainty : ... ... 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] : 48.57 deg [B1950] 49 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 80% total B light 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 281.84 arcsec 2a = 281.84 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 322.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.14 b/a = 0.88 Uncertainty : ... ... 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] : 48.57 deg [B1950] 49 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 90% total B light 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 : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 7 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 83.18 arcsec 2a = 83.18 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 95.06 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.14 b/a = 0.88 Uncertainty : ... ... 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] : 48.57 deg [B1950] 49 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 50% total B light, major dia. 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 : Microphotometer scan of photographic plate or film Measured Quantity : Half-light ("effective") diameter Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 8 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 78.52 arcsec 2a = 78.52 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 : 50% total B light, aperture 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 : Microphotometer scan of photographic plate or film Measured Quantity : Half-light ("effective") diameter Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 9 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 19.69 arcsec 2a = 19.69 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 : B disk exp. scale length 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 : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 10 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.64 arcsec 2a = 0.64 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.73 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.14 b/a = 0.88 Uncertainty : ... ... 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] : 48.57 deg [B1950] 49 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : B exponential scale length 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 : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 11 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 0850870 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.26 arcsec 2a = 0.26 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 : R exponential scale length Frequency : 6400 A 4.68E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 81.616669 -63.801666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 12 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 085- G 087 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.48 2a = 181.20 arcsec Uncertainty : 0.03 13.00 arcsec Minor Axis (2b) : ... 2b = 154.20 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.07 b/a = 0.85 Uncertainty : 0.02 0.04 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] : 119 deg [J2000] 120 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 : 052647.5 -634541. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 13 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 085- G 087 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.03 2a = 64.30 arcsec Uncertainty : 0.01 1.50 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 : 052647.5 -634541. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 14 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 085- G 087 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.49 2a = 185.40 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 : 052647.5 -634541. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 15 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 1947 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 70.9 arcsec 2a = 141.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 140.38 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.990 b/a = 0.99 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.01 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.01 Uncertainty : ... ... Cos-1(b/a) : ... 8 deg Position Angle [Equinox] : 89.0 deg [J2000] 89 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 : 81.698387 -63.760021 (J2000) Qualifiers : From new, raw data NED Comment :
No. 16 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 1947 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 116.5 arcsec 2a = 233.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 230.67 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.990 b/a = 0.99 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.01 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.01 Uncertainty : ... ... Cos-1(b/a) : ... 8 deg Position Angle [Equinox] : 89.0 deg [J2000] 89 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 : 81.698387 -63.760021 (J2000) Qualifiers : From new, raw data NED Comment :

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