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Date and Time of the Query: 2019-08-24 T05:29:13 PDT
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Diameter data point(s) for object IC 1876

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.......:
22.5 (a) arcsec ... ... 0.680 (b/a) ... ... ... 30
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 45.00 ... 0.68 0.32 0.37 47 30
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
41.3 (a) arcsec ... ... 0.680 (b/a) ... ... ... 30
[J2000]
Diameter for "total" magnitude 1.38E+14 82.60 ... 0.68 0.32 0.37 47 30
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.40 arcmin 0.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 24.00 ... 0.75 0.25 0.28 41 ...
4 POSS1 103a-O
1968MCG4..C...0000V
0.60 arcmin 0.60 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 36.00 ... 1.00 0.00 0.00 0 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.40 arcmin 1.30 arcmin ... ... ... ... ... About 25.5 B-mag arcsec^-2^ 6.81E+14 84.00 ... 0.93 0.07 0.07 22 ...
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
63.83 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 63.83 ... 0.73 0.27 0.31 43 24
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
94.41 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 94.41 ... 0.73 0.27 0.31 43 24
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
121.6 arcsec ... ... 1.372 (a/b) ... ... ... 23.41
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 121.60 ... 0.73 0.27 0.31 43 23
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
121.62 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 121.62 ... 0.73 0.27 0.31 43 24
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
41.69 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
70% total B light 6.81E+14 41.69 ... 0.73 0.27 0.31 43 24
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
62.37 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
80% total B light 6.81E+14 62.37 ... 0.73 0.27 0.31 43 24
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
94.41 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
90% total B light 6.81E+14 94.41 ... 0.73 0.27 0.31 43 24
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
23.44 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
50% total B light, major dia. 6.81E+14 23.44 ... 0.73 0.27 0.31 43 24
[J2000]
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
20.65 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 20.65 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
5.52 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 5.52 ... ... ... ... ... ...
16 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
1.66 arcsec ... ... 1.37 (a/b) ... ... ... 23.41
[B1950]
B exponential scale length 6.81E+14 1.66 ... 0.73 0.27 0.31 43 24
[J2000]
17 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.65 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.65 ... ... ... ... ... ...
18 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.05 log(2a) + 1 ... ... 0.06
log(a/b)
0.05 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 67.30 8.20 0.87 0.13 0.14 29 ...
19 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.04 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 65.80 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J03043228-2727380       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 22.5       arcsec               2a = 45.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 30.60 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.680                         b/a = 0.68
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.32
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.37
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 47 deg
Position Angle [Equinox]      :   30   deg [J2000]                  30 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          : 46.134541       -27.460497    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03043228-2727380 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 41.3 arcsec 2a = 82.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 56.17 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.680 b/a = 0.68 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.32 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.37 Uncertainty : ... ... Cos-1(b/a) : ... 47 deg Position Angle [Equinox] : 30 deg [J2000] 30 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 : 46.134541 -27.460497 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-08-013 Frequency Targeted : POSS1 103a-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 : 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 : 030224 -2738 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-08-013 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.60 arcmin 2b = 36.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 1.00 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.00 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.00 Uncertainty : ... ... Cos-1(b/a) : ... 0 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Low 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 : "Outer" diameter Coordinates Targeted : 030224 -2738 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 417- G 013 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.40 arcmin 2a = 84.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.30 arcmin 2b = 78.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.93 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 22 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 : 030223. -273912. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 63.83 arcsec 2a = 63.83 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 87.56 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 94.41 arcsec 2a = 94.41 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 129.51 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 121.6 arcsec 2a = 121.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 166.80 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.372 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 23 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 : 45.59583 -27.65333 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 121.62 arcsec 2a = 121.62 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 166.83 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 41.69 arcsec 2a = 41.69 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 57.19 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 62.37 arcsec 2a = 62.37 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 85.56 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 94.41 arcsec 2a = 94.41 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 129.51 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 23.44 arcsec 2a = 23.44 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 32.15 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (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 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 20.65 arcsec 2a = 20.65 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 : 45.595833 -27.653334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 5.52 arcsec 2a = 5.52 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 : 45.595833 -27.653334 (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 : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4170130 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 1.66 arcsec 2a = 1.66 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 2.28 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.37 b/a = 0.73 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.27 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 23.41 deg [B1950] 24 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 : 45.595833 -27.653334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 17 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4170130 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.65 arcsec 2a = 0.65 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 : 45.595833 -27.653334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 417- G 013 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.05 2a = 67.30 arcsec Uncertainty : 0.05 8.20 arcsec Minor Axis (2b) : ... 2b = 58.62 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.06 b/a = 0.87 Uncertainty : 0.04 0.08 Ellipticity : ... 1 - b/a = 0.13 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.14 Uncertainty : ... ... Cos-1(b/a) : ... 29 deg Position Angle [Equinox] : ... ... 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 : 030431.8 -272734. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 19 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 417- G 013 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.04 2a = 65.80 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 : 030431.8 -272734. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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