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Date and Time of the Query: 2019-08-18 T06:47:51 PDT
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Diameter data point(s) for object NGC 1097

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
3.20 arcmin 1.10 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 192.00 ... 0.34 0.66 0.79 70 ...
2 POSS1 103a-O
1968MCG4..C...0000V
8.00 arcmin 7.00 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 480.00 ... 0.88 0.12 0.13 29 ...
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
13.00 arcmin 8.00 arcmin ... ... ... ... 130
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 780.00 ... 0.61 0.39 0.45 52 130
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
623.73 arcsec ... ... 1.62 (a/b) ... ... ... 130.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 623.73 ... 0.61 0.39 0.45 52 130
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
724.44 arcsec ... ... 1.62 (a/b) ... ... ... 130.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 724.44 ... 0.61 0.39 0.45 52 130
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
812.8 arcsec ... ... 1.625 (a/b) ... ... ... 130.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 812.80 ... 0.61 0.39 0.45 52 130
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
812.83 arcsec ... ... 1.62 (a/b) ... ... ... 130.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 812.83 ... 0.61 0.39 0.45 52 130
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
389.05 arcsec ... ... 1.62 (a/b) ... ... ... 130.00
[B1950]
70% total B light 6.81E+14 389.05 ... 0.61 0.39 0.45 52 130
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
473.15 arcsec ... ... 1.62 (a/b) ... ... ... 130.00
[B1950]
80% total B light 6.81E+14 473.15 ... 0.61 0.39 0.45 52 130
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
582.10 arcsec ... ... 1.62 (a/b) ... ... ... 130.00
[B1950]
90% total B light 6.81E+14 582.10 ... 0.61 0.39 0.45 52 130
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
237.14 arcsec ... ... 1.62 (a/b) ... ... ... 130.00
[B1950]
50% total B light, major dia. 6.81E+14 237.14 ... 0.61 0.39 0.45 52 130
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
194.98 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 194.98 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
47.96 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 47.96 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
1.26 arcsec ... ... 1.72 (a/b) ... ... ... 152.32
[B1950]
B exponential scale length 6.81E+14 1.26 ... 0.58 0.42 0.49 54 153
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.11 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.11 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.97 log(2a) + 1 ... ... 0.17
log(a/b)
0.01 ... ... 130
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 560.00 13.00 0.68 0.32 0.37 47 130
[J2000]
17 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.29 log(2a) + 1 ... ... ... 0.02 ... ... ... ... 6.81E+14 117.00 5.50 ... ... ... ... ...
18 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.98 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 573.00 ... ... ... ... ... ...
19 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
157.6 (a) arcsec ... ... 0.550 (b/a) ... ... ... -35.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 315.20 ... 0.55 0.45 0.54 57 145
[J2000]
20 K_s (LGA/2MASS "total")
2003AJ....125..525J
325.9 (a) arcsec ... ... 0.550 (b/a) ... ... ... -35.0
[J2000]
Diameter for "total" magnitude 1.38E+14 651.80 ... 0.55 0.45 0.54 57 145
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1968MCG4..C...0000V
Published Object Name         : MCG -05-07-024                
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 3.20       arcmin                   2a = 192.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  1.10      arcmin              2b = 66.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.34
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.66
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.79
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 70 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          : 024406          -3030    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-07-024 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 8.00 arcmin 2a = 480.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 7.00 arcmin 2b = 420.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.88 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.12 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.13 Uncertainty : ... ... Cos-1(b/a) : ... 29 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 : 024406 -3030 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 416- G 020 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 13.00 arcmin 2a = 780.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 8.00 arcmin 2b = 480.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130 deg [B1950] 130 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 : 024411. -302854. (B1950) Qualifiers : From new, raw data NED Comment : Diameters and PA flagged uncertain.
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 623.73 arcsec 2a = 623.73 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1014.20 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.62 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.045834 -30.481667 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 724.44 arcsec 2a = 724.44 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1177.95 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.62 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.045834 -30.481667 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 812.8 arcsec 2a = 812.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1321.63 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.625 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.04583 -30.48167 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 812.83 arcsec 2a = 812.83 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1321.67 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.62 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.045834 -30.481667 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 389.05 arcsec 2a = 389.05 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 632.60 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.62 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.045834 -30.481667 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 473.15 arcsec 2a = 473.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 769.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.62 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.045834 -30.481667 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 582.10 arcsec 2a = 582.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 946.50 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.62 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.045834 -30.481667 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 237.14 arcsec 2a = 237.14 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 385.59 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.62 b/a = 0.61 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.45 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 130.00 deg [B1950] 130 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 : 41.045834 -30.481667 (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 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 194.98 arcsec 2a = 194.98 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 : 41.045834 -30.481667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 47.96 arcsec 2a = 47.96 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 : 41.045834 -30.481667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4160200 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 1.26 arcsec 2a = 1.26 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 2.16 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.72 b/a = 0.58 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.42 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.49 Uncertainty : ... ... Cos-1(b/a) : ... 54 deg Position Angle [Equinox] : 152.32 deg [B1950] 153 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 : 41.045834 -30.481667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 4160200 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.11 arcsec 2a = 0.11 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 : 41.045834 -30.481667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 416- G 020 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.97 2a = 560.00 arcsec Uncertainty : 0.01 13.00 arcsec Minor Axis (2b) : ... 2b = 378.56 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.17 b/a = 0.68 Uncertainty : 0.02 0.03 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] : 130 deg [J2000] 130 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 : 024618.9 -301621. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 416- G 020 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.29 2a = 117.00 arcsec Uncertainty : 0.02 5.50 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... 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 : 024618.9 -301621. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 416- G 020 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.98 2a = 573.00 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 : 024618.9 -301621. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 19 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 1097 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 157.6 arcsec 2a = 315.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 173.36 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.550 b/a = 0.55 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.45 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.54 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : -35.0 deg [J2000] 145 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 : 41.579411 -30.274910 (J2000) Qualifiers : From new, raw data NED Comment :
No. 20 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 1097 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 325.9 arcsec 2a = 651.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 358.49 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.550 b/a = 0.55 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.45 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.54 Uncertainty : ... ... Cos-1(b/a) : ... 57 deg Position Angle [Equinox] : -35.0 deg [J2000] 145 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 : 41.579411 -30.274910 (J2000) Qualifiers : From new, raw data NED Comment :

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