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Date and Time of the Query: 2019-06-18 T20:52:27 PDT
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Diameter data point(s) for object ESO 198- G 024

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.......:
10.9 (a) arcsec ... ... 0.740 (b/a) ... ... ... 65
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 21.80 ... 0.74 0.26 0.29 42 65
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
20.6 (a) arcsec ... ... 0.740 (b/a) ... ... ... 65
[J2000]
Diameter for "total" magnitude 1.38E+14 41.30 ... 0.74 0.26 0.29 42 65
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
0.40 arcmin 0.30 arcmin ... ... ... ... ... About 25.5 B-mag arcsec^-2^ 6.81E+14 24.00 ... 0.75 0.25 0.28 41 ...
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
31.99 arcsec ... ... 1.16 (a/b) ... ... ... 77.89
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 31.99 ... 0.86 0.14 0.15 30 78
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
45.71 arcsec ... ... 1.16 (a/b) ... ... ... 77.89
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 45.71 ... 0.86 0.14 0.15 30 78
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
... ... ... ... 1.157 (a/b) ... ... ... 77.89
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 ... ... 0.86 0.14 0.15 30 78
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
16.22 arcsec ... ... 1.16 (a/b) ... ... ... 77.89
[B1950]
70% total B light 6.81E+14 16.22 ... 0.86 0.14 0.15 30 78
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
22.39 arcsec ... ... 1.16 (a/b) ... ... ... 77.89
[B1950]
80% total B light 6.81E+14 22.39 ... 0.86 0.14 0.15 30 78
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
35.08 arcsec ... ... 1.16 (a/b) ... ... ... 77.89
[B1950]
90% total B light 6.81E+14 35.08 ... 0.86 0.14 0.15 30 78
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
4.46 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 4.46 ... ... ... ... ... ...
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.12 arcsec ... ... 1.16 (a/b) ... ... ... 77.89
[B1950]
B exponential scale length 6.81E+14 0.12 ... 0.86 0.14 0.15 30 78
[J2000]
12 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.08 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.08 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J02381966-5211321       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 10.9       arcsec               2a = 21.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 16.13 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.740                         b/a = 0.74
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.26
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.29
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 42 deg
Position Angle [Equinox]      :   65   deg [J2000]                  65 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          : 39.582108       -52.192310    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J02381966-5211321 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 20.6 arcsec 2a = 41.30 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 30.56 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.740 b/a = 0.74 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 65 deg [J2000] 65 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 : 39.582108 -52.192310 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 198- G 024 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 0.40 arcmin 2a = 24.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.75 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.25 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.28 Uncertainty : ... ... Cos-1(b/a) : ... 41 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 : 023641. -522418. (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 31.99 arcsec 2a = 31.99 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 37.03 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.16 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 77.89 deg [B1950] 78 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 : 39.170834 -52.404999 (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 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 45.71 arcsec 2a = 45.71 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 52.91 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.16 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 77.89 deg [B1950] 78 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 : 39.170834 -52.404999 (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 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis : ... ... Uncertainty : ... ... Minor Axis (2b) : ... 2b = -1156.25 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.157 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 77.89 deg [B1950] 78 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 : 39.17083 -52.40500 (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 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 16.22 arcsec 2a = 16.22 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 18.77 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.16 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 77.89 deg [B1950] 78 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 : 39.170834 -52.404999 (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 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 22.39 arcsec 2a = 22.39 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 25.91 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.16 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 77.89 deg [B1950] 78 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 : 39.170834 -52.404999 (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 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 35.08 arcsec 2a = 35.08 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 40.60 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.16 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 77.89 deg [B1950] 78 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 : 39.170834 -52.404999 (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 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 4.46 arcsec 2a = 4.46 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 : 39.170834 -52.404999 (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 1980240 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.12 arcsec 2a = 0.12 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.14 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.16 b/a = 0.86 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.14 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.15 Uncertainty : ... ... Cos-1(b/a) : ... 30 deg Position Angle [Equinox] : 77.89 deg [B1950] 78 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 : 39.170834 -52.404999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 12 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 1980240 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.08 arcsec 2a = 0.08 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 : 39.170834 -52.404999 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF

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