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Date and Time of the Query: 2019-03-23 T01:13:04 PDT
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Diameter data point(s) for object NGC 3383

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.......:
27.8 (a) arcsec ... ... 0.700 (b/a) ... ... ... -15
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 55.60 ... 0.70 0.30 0.34 46 165
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
42.5 (a) arcsec ... ... 0.700 (b/a) ... ... ... -15
[J2000]
Diameter for "total" magnitude 1.38E+14 85.00 ... 0.70 0.30 0.34 46 165
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.60 arcmin 0.50 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 36.00 ... 0.83 0.17 0.18 34 ...
4 POSS1 103a-O
1968MCG4..C...0000V
1.20 arcmin 1.20 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 72.00 ... 1.00 0.00 0.00 0 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.90 arcmin 1.40 arcmin ... ... ... ... 24
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 114.00 ... 0.74 0.26 0.30 43 24
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
85.11 arcsec ... ... 1.36 (a/b) ... ... ... 24.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 85.11 ... 0.74 0.26 0.30 43 24
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
98.86 arcsec ... ... 1.36 (a/b) ... ... ... 24.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 98.86 ... 0.74 0.26 0.30 43 24
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
108.39 arcsec ... ... 1.36 (a/b) ... ... ... 24.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 108.39 ... 0.74 0.26 0.30 43 24
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
46.77 arcsec ... ... 1.36 (a/b) ... ... ... 24.00
[B1950]
70% total B light 6.81E+14 46.77 ... 0.74 0.26 0.30 43 24
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
55.59 arcsec ... ... 1.36 (a/b) ... ... ... 24.00
[B1950]
80% total B light 6.81E+14 55.59 ... 0.74 0.26 0.30 43 24
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
69.18 arcsec ... ... 1.36 (a/b) ... ... ... 24.00
[B1950]
90% total B light 6.81E+14 69.18 ... 0.74 0.26 0.30 43 24
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
34.67 arcsec ... ... 1.36 (a/b) ... ... ... 24.00
[B1950]
50% total B light, major dia. 6.81E+14 34.67 ... 0.74 0.26 0.30 43 24
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
29.85 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 29.85 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
8.41 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 8.41 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
17.92 arcsec ... ... 1.09 (a/b) ... ... ... 160.39
[B1950]
B exponential scale length 6.81E+14 17.92 ... 0.92 0.08 0.09 24 160
[J2000]
16 ESO-LV IIIa-F
1989ESOLV.C...0000L
16.43 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 16.43 ... ... ... ... ... ...
17 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.15 log(2a) + 1 ... ... 0.10
log(a/b)
0.04 ... ... 24
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 84.80 8.20 0.79 0.21 0.23 37 24
[J2000]
18 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.17 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 88.70 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J10471919-2426172       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 27.8       arcsec               2a = 55.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 38.92 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.700                         b/a = 0.70
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.30
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.34
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 46 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          : 161.829987      -24.438169    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J10471919-2426172 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 42.5 arcsec 2a = 85.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 59.50 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.700 b/a = 0.70 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.30 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.34 Uncertainty : ... ... Cos-1(b/a) : ... 46 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 : 161.829987 -24.438169 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-26-010 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.83 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.17 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.18 Uncertainty : ... ... Cos-1(b/a) : ... 34 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 : 104454 -2411 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-26-010 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.20 arcmin 2a = 72.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.20 arcmin 2b = 72.00 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] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Low 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 : 104454 -2411 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 501- G 097 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.90 arcmin 2a = 114.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.40 arcmin 2b = 84.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24 deg [B1950] 24 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 : 104455. -241030. (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 85.11 arcsec 2a = 85.11 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 115.48 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24.00 deg [B1950] 24 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 : 161.229172 -24.174999 (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 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 98.86 arcsec 2a = 98.86 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 134.14 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24.00 deg [B1950] 24 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 : 161.229172 -24.174999 (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 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 108.39 arcsec 2a = 108.39 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 147.07 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24.00 deg [B1950] 24 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 27.0 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 9 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 46.77 arcsec 2a = 46.77 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 63.46 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24.00 deg [B1950] 24 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 10 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 55.59 arcsec 2a = 55.59 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 75.43 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24.00 deg [B1950] 24 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 11 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 69.18 arcsec 2a = 69.18 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 93.87 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24.00 deg [B1950] 24 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 12 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 34.67 arcsec 2a = 34.67 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 47.04 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.36 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 24.00 deg [B1950] 24 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 29.85 arcsec 2a = 29.85 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 8.41 arcsec 2a = 8.41 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 17.92 arcsec 2a = 17.92 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 19.54 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.09 b/a = 0.92 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.08 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.09 Uncertainty : ... ... Cos-1(b/a) : ... 24 deg Position Angle [Equinox] : 160.39 deg [B1950] 160 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 16 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5010970 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 16.43 arcsec 2a = 16.43 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 : 161.229172 -24.174999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 501- G 097 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.15 2a = 84.80 arcsec Uncertainty : 0.04 8.20 arcsec Minor Axis (2b) : ... 2b = 67.33 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.10 b/a = 0.79 Uncertainty : 0.03 0.06 Ellipticity : ... 1 - b/a = 0.21 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.23 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : 24 deg [J2000] 24 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 : 104719.2 -242621. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 501- G 097 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 : 104719.2 -242621. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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