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Date and Time of the Query: 2019-05-25 T04:43:52 PDT
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Diameter data point(s) for object ESO 243- G 049

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.......:
25.8 (a) arcsec ... ... 0.300 (b/a) ... ... ... 65
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 51.60 ... 0.30 0.70 0.83 73 65
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
39.9 (a) arcsec ... ... 0.300 (b/a) ... ... ... 65
[J2000]
Diameter for "total" magnitude 1.38E+14 79.80 ... 0.30 0.70 0.83 73 65
[J2000]
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.00 arcmin 0.20 arcmin ... ... ... ... 62
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 60.00 ... 0.20 0.80 0.92 78 62
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
74.13 arcsec ... ... 5.00 (a/b) ... ... ... 62.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 74.13 ... 0.20 0.80 0.92 78 62
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
92.26 arcsec ... ... 5.00 (a/b) ... ... ... 62.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 92.26 ... 0.20 0.80 0.92 78 62
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
112.20 arcsec ... ... 5.00 (a/b) ... ... ... 62.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 112.20 ... 0.20 0.80 0.92 78 62
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
34.67 arcsec ... ... 5.00 (a/b) ... ... ... 62.00
[B1950]
70% total B light 6.81E+14 34.67 ... 0.20 0.80 0.92 78 62
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
43.15 arcsec ... ... 5.00 (a/b) ... ... ... 62.00
[B1950]
80% total B light 6.81E+14 43.15 ... 0.20 0.80 0.92 78 62
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
60.26 arcsec ... ... 5.00 (a/b) ... ... ... 62.00
[B1950]
90% total B light 6.81E+14 60.26 ... 0.20 0.80 0.92 78 62
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
23.44 arcsec ... ... 5.00 (a/b) ... ... ... 62.00
[B1950]
50% total B light, major dia. 6.81E+14 23.44 ... 0.20 0.80 0.92 78 62
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
10.35 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 10.35 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
6.56 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 6.56 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.43 arcsec ... ... 2.57 (a/b) ... ... ... 65.14
[B1950]
B exponential scale length 6.81E+14 0.43 ... 0.39 0.61 0.74 67 65
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.20 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.20 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J01102774-4604274       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 25.8       arcsec               2a = 51.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 15.48 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.300                         b/a = 0.30
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.70
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.83
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 73 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          : 17.615604       -46.074245    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J01102774-4604274 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 39.9 arcsec 2a = 79.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 23.94 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.300 b/a = 0.30 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.83 Uncertainty : ... ... Cos-1(b/a) : ... 73 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 : 17.615604 -46.074245 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 243- G 049 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.00 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62 deg [B1950] 62 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 : 010814. -462024. (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 74.13 arcsec 2a = 74.13 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 370.65 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62.00 deg [B1950] 62 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 : 17.058332 -46.340000 (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 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 92.26 arcsec 2a = 92.26 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 461.30 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62.00 deg [B1950] 62 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 : 17.058332 -46.340000 (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 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 112.20 arcsec 2a = 112.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 561.00 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62.00 deg [B1950] 62 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 : 17.058332 -46.340000 (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 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 34.67 arcsec 2a = 34.67 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 173.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62.00 deg [B1950] 62 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 : 17.058332 -46.340000 (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 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 43.15 arcsec 2a = 43.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 215.75 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62.00 deg [B1950] 62 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 : 17.058332 -46.340000 (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 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 60.26 arcsec 2a = 60.26 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 301.30 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62.00 deg [B1950] 62 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 : 17.058332 -46.340000 (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 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 23.44 arcsec 2a = 23.44 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 117.20 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.00 b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 62.00 deg [B1950] 62 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 : 17.058332 -46.340000 (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 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 10.35 arcsec 2a = 10.35 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 : 17.058332 -46.340000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 12 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 6.56 arcsec 2a = 6.56 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 : 17.058332 -46.340000 (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 : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2430490 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.43 arcsec 2a = 0.43 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1.10 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.57 b/a = 0.39 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.61 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.74 Uncertainty : ... ... Cos-1(b/a) : ... 67 deg Position Angle [Equinox] : 65.14 deg [B1950] 65 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 : 17.058332 -46.340000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2430490 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.20 arcsec 2a = 0.20 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 : 17.058332 -46.340000 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF

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