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Date and Time of the Query: 2019-06-26 T08:04:48 PDT
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Diameter data point(s) for object NGC 4039

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 POSS1 103a-O
1968MCG4..C...0000V
1.20 arcmin 0.40 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 72.00 ... 0.33 0.67 0.80 71 ...
2 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
13.00 arcmin 6.00 arcmin ... ... ... ... ... About 25.5 B-mag arcsec^-2^ 6.81E+14 780.00 ... 0.46 0.54 0.65 62 ...
3 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
319.89 arcsec ... ... 2.17 (a/b) ... ... ... 173.16
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 319.89 ... 0.46 0.54 0.65 63 173
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
316.23 arcsec ... ... 2.02 (a/b) ... ... ... 169.80
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 316.23 ... 0.49 0.51 0.61 60 170
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
350.75 arcsec ... ... 2.17 (a/b) ... ... ... 173.16
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 350.75 ... 0.46 0.54 0.65 63 173
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
354.81 arcsec ... ... 2.02 (a/b) ... ... ... 169.80
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 354.81 ... 0.49 0.51 0.61 60 170
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
213.80 arcsec ... ... 2.17 (a/b) ... ... ... 173.16
[B1950]
70% total B light 6.81E+14 213.80 ... 0.46 0.54 0.65 63 173
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
208.93 arcsec ... ... 2.02 (a/b) ... ... ... 169.80
[B1950]
70% total B light 6.81E+14 208.93 ... 0.49 0.51 0.61 60 170
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
234.42 arcsec ... ... 2.17 (a/b) ... ... ... 173.16
[B1950]
80% total B light 6.81E+14 234.42 ... 0.46 0.54 0.65 63 173
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
231.74 arcsec ... ... 2.02 (a/b) ... ... ... 169.80
[B1950]
80% total B light 6.81E+14 231.74 ... 0.49 0.51 0.61 60 170
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
266.07 arcsec ... ... 2.17 (a/b) ... ... ... 173.16
[B1950]
90% total B light 6.81E+14 266.07 ... 0.46 0.54 0.65 63 173
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
263.03 arcsec ... ... 2.02 (a/b) ... ... ... 169.80
[B1950]
90% total B light 6.81E+14 263.03 ... 0.49 0.51 0.61 60 170
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
181.97 arcsec ... ... 2.17 (a/b) ... ... ... 173.16
[B1950]
50% total B light, major dia. 6.81E+14 181.97 ... 0.46 0.54 0.65 63 173
[J2000]
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
175.79 arcsec ... ... 2.02 (a/b) ... ... ... 169.80
[B1950]
50% total B light, major dia. 6.81E+14 175.79 ... 0.49 0.51 0.61 60 170
[J2000]
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
131.83 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 131.83 ... ... ... ... ... ...
16 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
131.83 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 131.83 ... ... ... ... ... ...
17 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
110.53 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 110.53 ... ... ... ... ... ...
18 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
80.82 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 80.82 ... ... ... ... ... ...
19 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
121.04 arcsec ... ... 2.17 (a/b) ... ... ... 173.16
[B1950]
B exponential scale length 6.81E+14 121.04 ... 0.46 0.54 0.65 63 173
[J2000]
20 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
118.13 arcsec ... ... 2.02 (a/b) ... ... ... 169.80
[B1950]
B exponential scale length 6.81E+14 118.13 ... 0.49 0.51 0.61 60 170
[J2000]
21 ESO-LV IIIa-F
1989ESOLV.C...0000L
121.02 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 121.02 ... ... ... ... ... ...
22 ESO-LV IIIa-F
1989ESOLV.C...0000L
118.11 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 118.11 ... ... ... ... ... ...
23 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.49 log(2a) + 1 ... ... 0.29
log(a/b)
0.03 ... ... 130
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 185.40 13.30 0.51 0.49 0.58 59 130
[J2000]
24 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.50 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 189.70 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1968MCG4..C...0000V
Published Object Name         : MCG -03-31-015                
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.20       arcmin                   2a = 72.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.40      arcmin              2b = 24.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 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]      : ...                                 ...
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          : 115924          -1836    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 572-IG 048 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 13.00 arcmin 2a = 780.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 6.00 arcmin 2b = 360.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : ... ... 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 : 115920. -183624. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 3 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 319.89 arcsec 2a = 319.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 695.41 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.17 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 173.16 deg [B1950] 173 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 : 179.830368 -18.606361 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 316.23 arcsec 2a = 316.23 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 638.85 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.02 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 169.80 deg [B1950] 170 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 : 179.833328 -18.606667 (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 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 350.75 arcsec 2a = 350.75 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 762.50 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.17 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 173.16 deg [B1950] 173 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 : 179.830368 -18.606361 (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 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 354.81 arcsec 2a = 354.81 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 716.79 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.02 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 169.80 deg [B1950] 170 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 : 179.833328 -18.606667 (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 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 213.80 arcsec 2a = 213.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 464.78 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.17 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 173.16 deg [B1950] 173 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 : 179.830368 -18.606361 (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 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 208.93 arcsec 2a = 208.93 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 422.08 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.02 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 169.80 deg [B1950] 170 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 : 179.833328 -18.606667 (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 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 234.42 arcsec 2a = 234.42 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 509.61 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.17 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 173.16 deg [B1950] 173 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 : 179.830368 -18.606361 (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 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 231.74 arcsec 2a = 231.74 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 468.16 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.02 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 169.80 deg [B1950] 170 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 : 179.833328 -18.606667 (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 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 266.07 arcsec 2a = 266.07 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 578.41 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.17 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 173.16 deg [B1950] 173 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 : 179.830368 -18.606361 (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 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 263.03 arcsec 2a = 263.03 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 531.37 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.02 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 169.80 deg [B1950] 170 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 : 179.833328 -18.606667 (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 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 181.97 arcsec 2a = 181.97 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 395.59 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.17 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 173.16 deg [B1950] 173 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 : 179.830368 -18.606361 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 175.79 arcsec 2a = 175.79 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 355.13 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.02 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 169.80 deg [B1950] 170 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 : 179.833328 -18.606667 (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 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 131.83 arcsec 2a = 131.83 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 : 179.830368 -18.606361 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 16 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 131.83 arcsec 2a = 131.83 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 : 179.833328 -18.606667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 17 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 110.53 arcsec 2a = 110.53 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 : 179.830368 -18.606361 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 18 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 80.82 arcsec 2a = 80.82 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 : 179.833328 -18.606667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 19 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720471 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 121.04 arcsec 2a = 121.04 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 263.13 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.17 b/a = 0.46 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.54 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.65 Uncertainty : ... ... Cos-1(b/a) : ... 63 deg Position Angle [Equinox] : 173.16 deg [B1950] 173 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 : 179.830368 -18.606361 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 20 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720480 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 118.13 arcsec 2a = 118.13 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 238.65 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.02 b/a = 0.49 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.51 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.61 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 169.80 deg [B1950] 170 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 : 179.833328 -18.606667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 21 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720471 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 121.02 arcsec 2a = 121.02 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 : 179.830368 -18.606361 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 22 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5720480 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 118.11 arcsec 2a = 118.11 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 : 179.833328 -18.606667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 23 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 572-IG 048 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.49 2a = 185.40 arcsec Uncertainty : 0.03 13.30 arcsec Minor Axis (2b) : ... 2b = 95.11 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.29 b/a = 0.51 Uncertainty : 0.04 0.05 Ellipticity : ... 1 - b/a = 0.49 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.58 Uncertainty : ... ... Cos-1(b/a) : ... 59 deg Position Angle [Equinox] : 130 deg [J2000] 130 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 : 120153.9 -185306. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 24 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 572-IG 048 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.50 2a = 189.70 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 : 120153.9 -185306. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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