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Date and Time of the Query: 2019-03-26 T01:48:49 PDT
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Diameter data point(s) for object NGC 1406

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.......:
89.7 (a) arcsec ... ... 0.200 (b/a) ... ... ... 20
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 179.40 ... 0.20 0.80 0.92 78 20
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
89.8 (a) arcsec ... ... 0.200 (b/a) ... ... ... 20
[J2000]
Diameter for "total" magnitude 1.38E+14 179.50 ... 0.20 0.80 0.92 78 20
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
3.80 arcmin 0.70 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 228.00 ... 0.18 0.82 0.93 79 ...
4 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
4.30 arcmin 0.80 arcmin ... ... ... ... 15
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 258.00 ... 0.19 0.81 0.93 79 15
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
269.15 arcsec ... ... 5.38 (a/b) ... ... ... 15.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 269.15 ... 0.19 0.81 0.93 79 15
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
305.49 arcsec ... ... 5.38 (a/b) ... ... ... 15.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 305.49 ... 0.19 0.81 0.93 79 15
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
331.13 arcsec ... ... 5.38 (a/b) ... ... ... 15.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 331.13 ... 0.19 0.81 0.93 79 15
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
144.54 arcsec ... ... 5.38 (a/b) ... ... ... 15.00
[B1950]
70% total B light 6.81E+14 144.54 ... 0.19 0.81 0.93 79 15
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
171.79 arcsec ... ... 5.38 (a/b) ... ... ... 15.00
[B1950]
80% total B light 6.81E+14 171.79 ... 0.19 0.81 0.93 79 15
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
213.80 arcsec ... ... 5.38 (a/b) ... ... ... 15.00
[B1950]
90% total B light 6.81E+14 213.80 ... 0.19 0.81 0.93 79 15
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
108.39 arcsec ... ... 5.38 (a/b) ... ... ... 15.00
[B1950]
50% total B light, major dia. 6.81E+14 108.39 ... 0.19 0.81 0.93 79 15
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
63.83 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 63.83 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
36.37 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 36.37 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
55.83 arcsec ... ... 4.71 (a/b) ... ... ... 16.88
[B1950]
B exponential scale length 6.81E+14 55.83 ... 0.21 0.79 0.91 78 17
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
46.01 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 46.01 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.58 log(2a) + 1 ... ... 0.70
log(a/b)
0.02 ... ... 15
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 228.10 10.80 0.20 0.80 0.92 78 15
[J2000]
17 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.03 log(2a) + 1 ... ... ... 0.03 ... ... ... ... 6.81E+14 64.30 4.60 ... ... ... ... ...
18 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.58 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 228.10 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J03392331-3119170       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 89.7       arcsec               2a = 179.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 35.88 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.200                         b/a = 0.20
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.80
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.92
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 78 deg
Position Angle [Equinox]      :   20   deg [J2000]                  20 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          : 54.847092       -31.321430    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03392331-3119170 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 89.8 arcsec 2a = 179.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 35.90 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.200 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 20 deg [J2000] 20 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 : 54.847092 -31.321430 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-09-020 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 3.80 arcmin 2a = 228.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 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 : 033730 -3130 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 418- G 015 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 4.30 arcmin 2a = 258.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.80 arcmin 2b = 48.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15 deg [B1950] 15 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 : 033722. -312900. (B1950) Qualifiers : From new, raw data NED Comment : Major diameter flagged uncertain.
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 269.15 arcsec 2a = 269.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1447.04 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.38 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15.00 deg [B1950] 15 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 : 54.341667 -31.483334 (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 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 305.49 arcsec 2a = 305.49 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1642.42 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.38 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15.00 deg [B1950] 15 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 : 54.341667 -31.483334 (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 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 331.13 arcsec 2a = 331.13 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1780.27 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.38 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15.00 deg [B1950] 15 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 : 54.341667 -31.483334 (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 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 144.54 arcsec 2a = 144.54 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 777.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.38 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15.00 deg [B1950] 15 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 : 54.341667 -31.483334 (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 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 171.79 arcsec 2a = 171.79 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 923.60 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.38 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15.00 deg [B1950] 15 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 : 54.341667 -31.483334 (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 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 213.80 arcsec 2a = 213.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1149.46 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.38 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15.00 deg [B1950] 15 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 : 54.341667 -31.483334 (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 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 108.39 arcsec 2a = 108.39 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 582.74 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.38 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 15.00 deg [B1950] 15 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 : 54.341667 -31.483334 (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 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 63.83 arcsec 2a = 63.83 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 : 54.341667 -31.483334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 36.37 arcsec 2a = 36.37 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 : 54.341667 -31.483334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4180150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 55.83 arcsec 2a = 55.83 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 263.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 4.71 b/a = 0.21 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.79 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.91 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 16.88 deg [B1950] 17 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 : 54.341667 -31.483334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4180150 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 46.01 arcsec 2a = 46.01 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 : 54.341667 -31.483334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 418- G 015 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.58 2a = 228.10 arcsec Uncertainty : 0.02 10.80 arcsec Minor Axis (2b) : ... 2b = 45.62 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.70 b/a = 0.20 Uncertainty : 0.03 0.01 Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 15 deg [J2000] 15 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 : 033922.6 -311919. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 418- G 015 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.03 2a = 64.30 arcsec Uncertainty : 0.03 4.60 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 : 033922.6 -311919. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 418- G 015 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.58 2a = 228.10 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 : 033922.6 -311919. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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