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Date and Time of the Query: 2019-04-21 T03:34:44 PDT
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Diameter data point(s) for object IC 2163

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
0.60 arcmin 0.60 arcmin ... ... ... ... ... High surface brightness 7.40E+14 36.00 ... 1.00 0.00 0.00 0 ...
2 POSS1 103a-O
1968MCG4..C...0000V
3.00 arcmin 0.80 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 180.00 ... 0.27 0.73 0.87 75 ...
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
3.00 arcmin 1.40 arcmin ... ... ... ... 98
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 180.00 ... 0.47 0.53 0.64 62 98
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
179.89 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 179.89 ... 0.53 0.47 0.56 58 111
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
239.88 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 239.88 ... 0.53 0.47 0.56 58 111
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
298.54 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 298.54 ... 0.53 0.47 0.56 58 111
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
110.92 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
70% total B light 6.81E+14 110.92 ... 0.53 0.47 0.56 58 111
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
142.89 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
80% total B light 6.81E+14 142.89 ... 0.53 0.47 0.56 58 111
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
199.53 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
90% total B light 6.81E+14 199.53 ... 0.53 0.47 0.56 58 111
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
74.13 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
50% total B light, major dia. 6.81E+14 74.13 ... 0.53 0.47 0.56 58 111
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
57.54 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 57.54 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
31.42 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 31.42 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
25.53 arcsec ... ... 1.87 (a/b) ... ... ... 110.91
[B1950]
B exponential scale length 6.81E+14 25.53 ... 0.53 0.47 0.56 58 111
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
18.04 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 18.04 ... ... ... ... ... ...
15 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.48 log(2a) + 1 ... ... 0.39
log(a/b)
0.03 ... ... 98
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 181.20 13.00 0.41 0.59 0.72 66 98
[J2000]
16 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.53 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 203.30 ... ... ... ... ... ...
17 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
64.9 (a) arcsec ... ... 0.600 (b/a) ... ... ... -57.5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 129.80 ... 0.60 0.40 0.47 53 123
[J2000]
18 K_s (LGA/2MASS "total")
2003AJ....125..525J
135.2 (a) arcsec ... ... 0.600 (b/a) ... ... ... -57.5
[J2000]
Diameter for "total" magnitude 1.38E+14 270.40 ... 0.60 0.40 0.47 53 123
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1968MCG4..C...0000V
Published Object Name         : MCG -04-15-021                
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      : 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          : 061418          -2121    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-15-021 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 3.00 arcmin 2a = 180.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.80 arcmin 2b = 48.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.27 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.73 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.87 Uncertainty : ... ... Cos-1(b/a) : ... 75 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Moderate 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 : 061418 -2121 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 556-IG 009 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 3.00 arcmin 2a = 180.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.40 arcmin 2b = 84.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.47 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.53 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.64 Uncertainty : ... ... Cos-1(b/a) : ... 62 deg Position Angle [Equinox] : 98 deg [B1950] 98 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 : 061420. -212124. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 179.89 arcsec 2a = 179.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 336.87 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 239.88 arcsec 2a = 239.88 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 449.21 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 298.54 arcsec 2a = 298.54 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 559.06 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 110.92 arcsec 2a = 110.92 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 207.72 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 142.89 arcsec 2a = 142.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 267.58 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 199.53 arcsec 2a = 199.53 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 373.65 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 74.13 arcsec 2a = 74.13 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 138.82 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 57.54 arcsec 2a = 57.54 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 31.42 arcsec 2a = 31.42 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 25.53 arcsec 2a = 25.53 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 47.81 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.87 b/a = 0.53 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.47 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.56 Uncertainty : ... ... Cos-1(b/a) : ... 58 deg Position Angle [Equinox] : 110.91 deg [B1950] 111 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 : 93.583336 -21.356667 (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 5560090 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 18.04 arcsec 2a = 18.04 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 : 93.583336 -21.356667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 15 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 556-IG 009 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.48 2a = 181.20 arcsec Uncertainty : 0.03 13.00 arcsec Minor Axis (2b) : ... 2b = 73.75 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.39 b/a = 0.41 Uncertainty : 0.03 0.03 Ellipticity : ... 1 - b/a = 0.59 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.72 Uncertainty : ... ... Cos-1(b/a) : ... 66 deg Position Angle [Equinox] : 98 deg [J2000] 98 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 : 061627.7 -212231. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 556-IG 009 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.53 2a = 203.30 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 : 061627.7 -212231. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 17 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : IC 2163 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 64.9 arcsec 2a = 129.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 77.88 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.600 b/a = 0.60 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : -57.5 deg [J2000] 123 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 : 94.116692 -21.375851 (J2000) Qualifiers : From new, raw data NED Comment :
No. 18 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : IC 2163 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 135.2 arcsec 2a = 270.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 162.24 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.600 b/a = 0.60 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : -57.5 deg [J2000] 123 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 : 94.116692 -21.375851 (J2000) Qualifiers : From new, raw data NED Comment :

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