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Date and Time of the Query: 2019-05-21 T18:32:27 PDT
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Diameter data point(s) for object ESO 318- G 013

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 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
3.20 arcmin 0.50 arcmin ... ... ... ... 75
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 192.00 ... 0.16 0.84 0.95 81 75
[J2000]
2 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
127.35 arcsec ... ... 6.40 (a/b) ... ... ... 75.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 127.35 ... 0.16 0.84 0.95 81 75
[J2000]
3 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
165.96 arcsec ... ... 6.40 (a/b) ... ... ... 75.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 165.96 ... 0.16 0.84 0.95 81 75
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
208.93 arcsec ... ... 6.40 (a/b) ... ... ... 75.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 208.93 ... 0.16 0.84 0.95 81 75
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
102.33 arcsec ... ... 6.40 (a/b) ... ... ... 75.00
[B1950]
70% total B light 6.81E+14 102.33 ... 0.16 0.84 0.95 81 75
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
125.89 arcsec ... ... 6.40 (a/b) ... ... ... 75.00
[B1950]
80% total B light 6.81E+14 125.89 ... 0.16 0.84 0.95 81 75
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
173.78 arcsec ... ... 6.40 (a/b) ... ... ... 75.00
[B1950]
90% total B light 6.81E+14 173.78 ... 0.16 0.84 0.95 81 75
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
73.28 arcsec ... ... 6.40 (a/b) ... ... ... 75.00
[B1950]
50% total B light, major dia. 6.81E+14 73.28 ... 0.16 0.84 0.95 81 75
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
38.02 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 38.02 ... ... ... ... ... ...
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
17.89 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 17.89 ... ... ... ... ... ...
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
29.55 arcsec ... ... 2.50 (a/b) ... ... ... 72.38
[B1950]
B exponential scale length 6.81E+14 29.55 ... 0.40 0.60 0.72 66 72
[J2000]
12 ESO-LV IIIa-F
1989ESOLV.C...0000L
22.91 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 22.91 ... ... ... ... ... ...
13 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.35 log(2a) + 1 ... ... 0.85
log(a/b)
0.04 ... ... 75
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 134.30 13.00 0.14 0.86 0.96 82 75
[J2000]
14 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.38 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 143.90 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1982ESOU..C...0000L
Published Object Name         : ESO 318- G 013                
Frequency Targeted            : ESO-Uppsala "Quick Blue" IIa-O
Major Axis (2a)               : 3.20       arcmin                   2a = 192.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =   0.50     arcmin              2b = 30.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.16
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.84
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.95
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 81 deg
Position Angle [Equinox]      :  75    deg [B1950]                  75 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          : 104525.         -383524.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 127.35 arcsec 2a = 127.35 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 816.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.40 b/a = 0.16 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 75.00 deg [B1950] 75 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 161.354172 -38.590000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 3 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 165.96 arcsec 2a = 165.96 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1063.85 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.40 b/a = 0.16 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 75.00 deg [B1950] 75 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 26.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 161.354172 -38.590000 (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 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 208.93 arcsec 2a = 208.93 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1339.29 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.40 b/a = 0.16 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 75.00 deg [B1950] 75 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 27.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 161.354172 -38.590000 (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 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 102.33 arcsec 2a = 102.33 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 655.96 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.40 b/a = 0.16 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 75.00 deg [B1950] 75 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 70% total B light Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 161.354172 -38.590000 (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 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 125.89 arcsec 2a = 125.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 806.99 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.40 b/a = 0.16 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 75.00 deg [B1950] 75 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 80% total B light Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 161.354172 -38.590000 (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 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 173.78 arcsec 2a = 173.78 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1113.97 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.40 b/a = 0.16 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 75.00 deg [B1950] 75 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 90% total B light Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Isophotal diameter Coordinates Targeted : 161.354172 -38.590000 (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 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 73.28 arcsec 2a = 73.28 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 469.74 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.40 b/a = 0.16 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 75.00 deg [B1950] 75 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 50% total B light, major dia. Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Half-light ("effective") diameter Coordinates Targeted : 161.354172 -38.590000 (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 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 38.02 arcsec 2a = 38.02 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 : 50% total B light, aperture Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Half-light ("effective") diameter Coordinates Targeted : 161.354172 -38.590000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 10 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 17.89 arcsec 2a = 17.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : B disk exp. scale length Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 161.354172 -38.590000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 11 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3180130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 29.55 arcsec 2a = 29.55 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 73.88 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.50 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] : 72.38 deg [B1950] 72 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : B exponential scale length Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 161.354172 -38.590000 (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 3180130 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 22.91 arcsec 2a = 22.91 arcsec Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : R exponential scale length Frequency : 6400 A 4.68E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Microphotometer scan of photographic plate or film Measured Quantity : Scale length Coordinates Targeted : 161.354172 -38.590000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 13 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 318- G 013 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 = 18.94 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.85 b/a = 0.14 Uncertainty : 0.04 0.01 Ellipticity : ... 1 - b/a = 0.86 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.96 Uncertainty : ... ... Cos-1(b/a) : ... 82 deg Position Angle [Equinox] : 75 deg [J2000] 75 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 : 104741.9 -385115. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 14 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 318- G 013 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.38 2a = 143.90 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 : 104741.9 -385115. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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