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Date and Time of the Query: 2019-03-20 T20:52:15 PDT
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Diameter data point(s) for object IC 1933

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.......:
30.7 (a) arcsec ... ... 0.660 (b/a) ... ... ... 40
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 61.40 ... 0.66 0.34 0.39 49 40
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
70.8 (a) arcsec ... ... 0.660 (b/a) ... ... ... 40
[J2000]
Diameter for "total" magnitude 1.38E+14 141.60 ... 0.66 0.34 0.39 49 40
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
2.50 arcmin 1.40 arcmin ... ... ... ... 55
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 150.00 ... 0.56 0.44 0.52 56 55
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
136.46 arcsec ... ... 1.79 (a/b) ... ... ... 55.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 136.46 ... 0.56 0.44 0.52 56 55
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
160.32 arcsec ... ... 1.79 (a/b) ... ... ... 55.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 160.32 ... 0.56 0.44 0.52 56 55
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
177.8 arcsec ... ... 1.786 (a/b) ... ... ... 55.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 177.80 ... 0.56 0.44 0.52 56 55
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
177.83 arcsec ... ... 1.79 (a/b) ... ... ... 55.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 177.83 ... 0.56 0.44 0.52 56 55
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
80.35 arcsec ... ... 1.79 (a/b) ... ... ... 55.00
[B1950]
70% total B light 6.81E+14 80.35 ... 0.56 0.44 0.52 56 55
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
94.41 arcsec ... ... 1.79 (a/b) ... ... ... 55.00
[B1950]
80% total B light 6.81E+14 94.41 ... 0.56 0.44 0.52 56 55
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
116.14 arcsec ... ... 1.79 (a/b) ... ... ... 55.00
[B1950]
90% total B light 6.81E+14 116.14 ... 0.56 0.44 0.52 56 55
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
59.57 arcsec ... ... 1.79 (a/b) ... ... ... 55.00
[B1950]
50% total B light, major dia. 6.81E+14 59.57 ... 0.56 0.44 0.52 56 55
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
45.71 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 45.71 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
24.92 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 24.92 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
23.98 arcsec ... ... 2.11 (a/b) ... ... ... 55.59
[B1950]
B exponential scale length 6.81E+14 23.98 ... 0.47 0.53 0.63 62 56
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
15.38 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 15.38 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.35 log(2a) + 1 ... ... 0.28
log(a/b)
0.04 ... ... 55
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 134.30 13.00 0.53 0.47 0.57 58 55
[J2000]
17 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.91 log(2a) + 1 ... ... ... 0.09 ... ... ... ... 6.81E+14 48.80 11.20 ... ... ... ... ...
18 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.35 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 134.30 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J03253988-5247077       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 30.7       arcsec               2a = 61.40 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 40.52 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.660                         b/a = 0.66
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.34
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.39
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 49 deg
Position Angle [Equinox]      :   40   deg [J2000]                  40 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          : 51.416206       -52.785492    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03253988-5247077 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 70.8 arcsec 2a = 141.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 93.46 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.660 b/a = 0.66 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.34 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.39 Uncertainty : ... ... Cos-1(b/a) : ... 49 deg Position Angle [Equinox] : 40 deg [J2000] 40 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 : 51.416206 -52.785492 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 155- G 025 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 2.50 arcmin 2a = 150.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.40 arcmin 2b = 84.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55 deg [B1950] 55 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 : 032415. -525730. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 136.46 arcsec 2a = 136.46 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 243.68 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 160.32 arcsec 2a = 160.32 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 286.29 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 177.8 arcsec 2a = 177.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 317.50 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.786 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.06250 -52.95833 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 177.83 arcsec 2a = 177.83 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 317.55 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 80.35 arcsec 2a = 80.35 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 143.48 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 94.41 arcsec 2a = 94.41 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 168.59 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 116.14 arcsec 2a = 116.14 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 207.39 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 59.57 arcsec 2a = 59.57 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 106.37 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 55.00 deg [B1950] 55 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 45.71 arcsec 2a = 45.71 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 24.92 arcsec 2a = 24.92 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 23.98 arcsec 2a = 23.98 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 50.59 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.11 b/a = 0.47 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.63 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 55.59 deg [B1950] 56 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 : 51.062500 -52.958332 (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 1550250 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 15.38 arcsec 2a = 15.38 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 : 51.062500 -52.958332 (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 155- G 025 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.35 2a = 134.30 arcsec Uncertainty : 0.04 13.00 arcsec Minor Axis (2b) : ... 2b = 70.51 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.28 b/a = 0.53 Uncertainty : 0.04 0.05 Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.57 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 55 deg [J2000] 55 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 : 032540.0 -524702. (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 155- G 025 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.91 2a = 48.80 arcsec Uncertainty : 0.09 11.20 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 : 032540.0 -524702. (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 155- G 025 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.35 2a = 134.30 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 : 032540.0 -524702. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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