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Date and Time of the Query: 2019-04-19 T11:17:41 PDT
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Diameter data point(s) for object NGC 3717

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
1.60 arcmin 0.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 96.00 ... 0.19 0.81 0.93 79 ...
2 POSS1 103a-O
1968MCG4..C...0000V
5.50 arcmin 1.00 arcmin ... ... ... ... ... Very low surface brightness 7.40E+14 330.00 ... 0.18 0.82 0.94 80 ...
3 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
8.00 arcmin 1.50 arcmin ... ... ... ... 33
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 480.00 ... 0.19 0.81 0.93 79 33
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
393.55 arcsec ... ... 5.33 (a/b) ... ... ... 33.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 393.55 ... 0.19 0.81 0.93 79 33
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
489.78 arcsec ... ... 5.33 (a/b) ... ... ... 33.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 489.78 ... 0.19 0.81 0.93 79 33
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
602.56 arcsec ... ... 5.33 (a/b) ... ... ... 33.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 602.56 ... 0.19 0.81 0.93 79 33
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
260.02 arcsec ... ... 5.33 (a/b) ... ... ... 33.00
[B1950]
70% total B light 6.81E+14 260.02 ... 0.19 0.81 0.93 79 33
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
327.34 arcsec ... ... 5.33 (a/b) ... ... ... 33.00
[B1950]
80% total B light 6.81E+14 327.34 ... 0.19 0.81 0.93 79 33
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
436.52 arcsec ... ... 5.33 (a/b) ... ... ... 33.00
[B1950]
90% total B light 6.81E+14 436.52 ... 0.19 0.81 0.93 79 33
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
149.62 arcsec ... ... 5.33 (a/b) ... ... ... 33.00
[B1950]
50% total B light, major dia. 6.81E+14 149.62 ... 0.19 0.81 0.93 79 33
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
76.74 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 76.74 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
26.06 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 26.06 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
2.67 arcsec ... ... 3.51 (a/b) ... ... ... 30.28
[B1950]
B exponential scale length 6.81E+14 2.67 ... 0.28 0.72 0.85 73 30
[J2000]
14 ESO-LV IIIa-F
1989ESOLV.C...0000L
2.56 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 2.56 ... ... ... ... ... ...
15 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.78 log(2a) + 1 ... ... 0.73
log(a/b)
0.02 ... ... 33
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 361.50 17.00 0.19 0.81 0.93 79 33
[J2000]
16 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.06 log(2a) + 1 ... ... ... 0.04 ... ... ... ... 6.81E+14 68.90 6.60 ... ... ... ... ...
17 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.80 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 378.60 ... ... ... ... ... ...
18 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
99.0 (a) arcsec ... ... 0.340 (b/a) ... ... ... 33.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 198.00 ... 0.34 0.66 0.79 70 33
[J2000]
19 K_s (LGA/2MASS "total")
2003AJ....125..525J
177.6 (a) arcsec ... ... 0.340 (b/a) ... ... ... 33.0
[J2000]
Diameter for "total" magnitude 1.38E+14 355.20 ... 0.34 0.66 0.79 70 33
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1968MCG4..C...0000V
Published Object Name         : MCG -05-27-015                
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.60       arcmin                   2a = 96.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.30      arcmin              2b = 18.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.19
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.81
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.93
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 79 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          : 112906          -3002    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -05-27-015 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 5.50 arcmin 2a = 330.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.00 arcmin 2b = 60.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Very 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 : 112906 -3002 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 439- G 015 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 8.00 arcmin 2a = 480.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.50 arcmin 2b = 90.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33 deg [B1950] 33 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 : 112903. -300154. (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 393.55 arcsec 2a = 393.55 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 2093.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.33 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33.00 deg [B1950] 33 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 489.78 arcsec 2a = 489.78 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 2605.21 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.33 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33.00 deg [B1950] 33 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 602.56 arcsec 2a = 602.56 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 3205.11 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.33 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33.00 deg [B1950] 33 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 260.02 arcsec 2a = 260.02 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1383.09 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.33 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33.00 deg [B1950] 33 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 327.34 arcsec 2a = 327.34 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1741.17 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.33 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33.00 deg [B1950] 33 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 436.52 arcsec 2a = 436.52 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 2321.91 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.33 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33.00 deg [B1950] 33 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 149.62 arcsec 2a = 149.62 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 795.85 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.33 b/a = 0.19 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33.00 deg [B1950] 33 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 76.74 arcsec 2a = 76.74 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 26.06 arcsec 2a = 26.06 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 2.67 arcsec 2a = 2.67 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 9.37 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.51 b/a = 0.28 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.72 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.85 Uncertainty : ... ... Cos-1(b/a) : ... 73 deg Position Angle [Equinox] : 30.28 deg [B1950] 30 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 : 172.262497 -30.031666 (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 4390150 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 2.56 arcsec 2a = 2.56 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 : 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 : 172.262497 -30.031666 (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 439- G 015 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.78 2a = 361.50 arcsec Uncertainty : 0.02 17.00 arcsec Minor Axis (2b) : ... 2b = 67.24 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.73 b/a = 0.19 Uncertainty : 0.03 0.01 Ellipticity : ... 1 - b/a = 0.81 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.93 Uncertainty : ... ... Cos-1(b/a) : ... 79 deg Position Angle [Equinox] : 33 deg [J2000] 33 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 : 113131.8 -301828. (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 439- G 015 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.06 2a = 68.90 arcsec Uncertainty : 0.04 6.60 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 : 113131.8 -301828. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 439- G 015 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.80 2a = 378.60 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 : 113131.8 -301828. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 18 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3717 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 99.0 arcsec 2a = 198.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 67.32 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.340 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] : 33.0 deg [J2000] 33 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 : 172.883301 -30.307739 (J2000) Qualifiers : From new, raw data NED Comment :
No. 19 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3717 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 177.6 arcsec 2a = 355.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 120.77 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.340 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] : 33.0 deg [J2000] 33 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 : 172.883301 -30.307739 (J2000) Qualifiers : From new, raw data NED Comment :

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