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Date and Time of the Query: 2019-05-19 T10:48:41 PDT
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Diameter data point(s) for object NGC 3955

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.......:
67.7 (a) arcsec ... ... 0.320 (b/a) ... ... ... -10
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 135.40 ... 0.32 0.68 0.81 71 170
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
67.7 (a) arcsec ... ... 0.320 (b/a) ... ... ... -10
[J2000]
Diameter for "total" magnitude 1.38E+14 135.30 ... 0.32 0.68 0.81 71 170
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
1.00 arcmin 0.40 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 60.00 ... 0.40 0.60 0.72 66 ...
4 POSS1 103a-O
1968MCG4..C...0000V
2.70 arcmin 1.20 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 162.00 ... 0.44 0.56 0.67 64 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
4.20 arcmin 1.20 arcmin ... ... ... ... 165
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 252.00 ... 0.29 0.71 0.85 73 165
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
221.31 arcsec ... ... 3.50 (a/b) ... ... ... 165.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 221.31 ... 0.29 0.71 0.85 73 165
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
272.27 arcsec ... ... 3.50 (a/b) ... ... ... 165.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 272.27 ... 0.29 0.71 0.85 73 165
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
323.59 arcsec ... ... 3.50 (a/b) ... ... ... 165.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 323.59 ... 0.29 0.71 0.85 73 165
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
112.20 arcsec ... ... 3.50 (a/b) ... ... ... 165.00
[B1950]
70% total B light 6.81E+14 112.20 ... 0.29 0.71 0.85 73 165
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
138.04 arcsec ... ... 3.50 (a/b) ... ... ... 165.00
[B1950]
80% total B light 6.81E+14 138.04 ... 0.29 0.71 0.85 73 165
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
184.08 arcsec ... ... 3.50 (a/b) ... ... ... 165.00
[B1950]
90% total B light 6.81E+14 184.08 ... 0.29 0.71 0.85 73 165
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
79.43 arcsec ... ... 3.50 (a/b) ... ... ... 165.00
[B1950]
50% total B light, major dia. 6.81E+14 79.43 ... 0.29 0.71 0.85 73 165
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
50.12 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 50.12 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
21.82 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 21.82 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
32.15 arcsec ... ... 3.04 (a/b) ... ... ... 166.50
[B1950]
B exponential scale length 6.81E+14 32.15 ... 0.33 0.67 0.80 71 167
[J2000]
16 ESO-LV IIIa-F
1989ESOLV.C...0000L
22.69 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 22.69 ... ... ... ... ... ...
17 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.46 log(2a) + 1 ... ... 0.49
log(a/b)
0.03 ... ... 165
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 173.00 12.40 0.32 0.68 0.81 71 165
[J2000]
18 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.81 log(2a) + 1 ... ... ... 0.03 ... ... ... ... 6.81E+14 38.70 2.80 ... ... ... ... ...
19 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.45 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 169.10 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J11535713-2309513       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 67.7       arcsec               2a = 135.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 43.33 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]      :  -10   deg [J2000]                  170 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          : 178.488098      -23.164257    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11535713-2309513 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 67.7 arcsec 2a = 135.30 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 43.30 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] : -10 deg [J2000] 170 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 : 178.488098 -23.164257 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-28-005 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.40 arcmin 2b = 24.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.40 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.60 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 : 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 : 115124 -2253 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-28-005 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.70 arcmin 2a = 162.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.20 arcmin 2b = 72.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.44 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.56 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.67 Uncertainty : ... ... Cos-1(b/a) : ... 64 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 : 115124 -2253 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 504- G 026 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 4.20 arcmin 2a = 252.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.20 arcmin 2b = 72.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165 deg [B1950] 165 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 : 115125. -225312. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 221.31 arcsec 2a = 221.31 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 773.81 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.50 b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165.00 deg [B1950] 165 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 272.27 arcsec 2a = 272.27 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 951.99 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.50 b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165.00 deg [B1950] 165 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 323.59 arcsec 2a = 323.59 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1131.43 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.50 b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165.00 deg [B1950] 165 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 112.20 arcsec 2a = 112.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 392.31 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.50 b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165.00 deg [B1950] 165 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 138.04 arcsec 2a = 138.04 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 482.66 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.50 b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165.00 deg [B1950] 165 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 184.08 arcsec 2a = 184.08 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 643.64 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.50 b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165.00 deg [B1950] 165 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 79.43 arcsec 2a = 79.43 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 277.73 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.50 b/a = 0.29 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.71 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 165.00 deg [B1950] 165 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 50.12 arcsec 2a = 50.12 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 21.82 arcsec 2a = 21.82 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 32.15 arcsec 2a = 32.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 97.72 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.04 b/a = 0.33 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.67 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.80 Uncertainty : ... ... Cos-1(b/a) : ... 71 deg Position Angle [Equinox] : 166.50 deg [B1950] 167 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 : 177.854172 -22.886667 (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 5040260 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 22.69 arcsec 2a = 22.69 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 : 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 : 177.854172 -22.886667 (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 504- G 026 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.46 2a = 173.00 arcsec Uncertainty : 0.03 12.40 arcsec Minor Axis (2b) : ... 2b = 56.05 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.49 b/a = 0.32 Uncertainty : 0.03 0.02 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] : 165 deg [J2000] 165 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 : 115357.9 -230954. (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 504- G 026 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.81 2a = 38.70 arcsec Uncertainty : 0.03 2.80 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 : 115357.9 -230954. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 19 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 504- G 026 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.45 2a = 169.10 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 : 115357.9 -230954. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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