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Date and Time of the Query: 2019-03-22 T21:11:30 PDT
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Diameter data point(s) for object NGC 3250D

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.......:
39.9 (a) arcsec ... ... 0.220 (b/a) ... ... ... 25
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 79.80 ... 0.22 0.78 0.91 77 25
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
58.3 (a) arcsec ... ... 0.220 (b/a) ... ... ... 25
[J2000]
Diameter for "total" magnitude 1.38E+14 116.50 ... 0.22 0.78 0.91 77 25
[J2000]
3 POSS1 103a-E
1974MCG5..C...0000V
1.0 arcmin 0.2 arcmin ... ... ... ... ... High surface brightness 7.40E+14 60.00 ... 0.20 0.80 0.92 78 ...
4 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.80 arcmin 0.30 arcmin ... ... ... ... 29
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 108.00 ... 0.17 0.83 0.95 80 29
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
110.92 arcsec ... ... 6.00 (a/b) ... ... ... 29.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 110.92 ... 0.17 0.83 0.95 80 29
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
144.54 arcsec ... ... 6.00 (a/b) ... ... ... 29.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 144.54 ... 0.17 0.83 0.95 80 29
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
206.54 arcsec ... ... 6.00 (a/b) ... ... ... 29.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 206.54 ... 0.17 0.83 0.95 80 29
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
62.37 arcsec ... ... 6.00 (a/b) ... ... ... 29.00
[B1950]
70% total B light 6.81E+14 62.37 ... 0.17 0.83 0.95 80 29
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
88.10 arcsec ... ... 6.00 (a/b) ... ... ... 29.00
[B1950]
80% total B light 6.81E+14 88.10 ... 0.17 0.83 0.95 80 29
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
164.06 arcsec ... ... 6.00 (a/b) ... ... ... 29.00
[B1950]
90% total B light 6.81E+14 164.06 ... 0.17 0.83 0.95 80 29
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
37.58 arcsec ... ... 6.00 (a/b) ... ... ... 29.00
[B1950]
50% total B light, major dia. 6.81E+14 37.58 ... 0.17 0.83 0.95 80 29
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
19.72 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 19.72 ... ... ... ... ... ...
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
8.88 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 8.88 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
1.08 arcsec ... ... 3.52 (a/b) ... ... ... 25.72
[B1950]
B exponential scale length 6.81E+14 1.08 ... 0.28 0.72 0.85 74 26
[J2000]
15 ESO-LV IIIa-F
1989ESOLV.C...0000L
1.95 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 1.95 ... ... ... ... ... ...
16 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.24 log(2a) + 1 ... ... 0.80
log(a/b)
0.04 ... ... 29
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 104.30 10.10 0.16 0.84 0.95 81 29
[J2000]
17 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.16 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 86.70 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J10275793-3948531       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 39.9       arcsec               2a = 79.80 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 17.56 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.220                         b/a = 0.22
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.78
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.91
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 77 deg
Position Angle [Equinox]      :   25   deg [J2000]                  25 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          : 156.991425      -39.814766    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J10275793-3948531 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 58.3 arcsec 2a = 116.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 25.63 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.220 b/a = 0.22 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.78 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.91 Uncertainty : ... ... Cos-1(b/a) : ... 77 deg Position Angle [Equinox] : 25 deg [J2000] 25 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 : 156.991425 -39.814766 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -07-22-011 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 1.0 arcmin 2a = 60.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.2 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.20 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.80 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : ... ... 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 : "Outer" diameter Coordinates Targeted : 102548 -3933 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 317- G 031 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.80 arcmin 2a = 108.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29 deg [B1950] 29 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 : 102546. -393336. (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 110.92 arcsec 2a = 110.92 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 664.19 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.00 b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29.00 deg [B1950] 29 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 144.54 arcsec 2a = 144.54 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 865.51 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.00 b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29.00 deg [B1950] 29 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 206.54 arcsec 2a = 206.54 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1236.77 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.00 b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29.00 deg [B1950] 29 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 62.37 arcsec 2a = 62.37 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 373.47 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.00 b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29.00 deg [B1950] 29 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 88.10 arcsec 2a = 88.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 527.54 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.00 b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29.00 deg [B1950] 29 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 164.06 arcsec 2a = 164.06 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 982.40 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.00 b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29.00 deg [B1950] 29 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 37.58 arcsec 2a = 37.58 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 225.03 arcsec Uncertainty : ... ... Axis Ratio : a/b = 6.00 b/a = 0.17 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.83 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 29.00 deg [B1950] 29 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 19.72 arcsec 2a = 19.72 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 8.88 arcsec 2a = 8.88 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 1.08 arcsec 2a = 1.08 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 3.80 arcsec Uncertainty : ... ... Axis Ratio : a/b = 3.52 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) : ... 74 deg Position Angle [Equinox] : 25.72 deg [B1950] 26 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 : 156.441666 -39.560001 (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 3170310 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 1.95 arcsec 2a = 1.95 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 : 156.441666 -39.560001 (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 317- G 031 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.24 2a = 104.30 arcsec Uncertainty : 0.04 10.10 arcsec Minor Axis (2b) : ... 2b = 16.48 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.80 b/a = 0.16 Uncertainty : 0.03 0.01 Ellipticity : ... 1 - b/a = 0.84 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.95 Uncertainty : ... ... Cos-1(b/a) : ... 81 deg Position Angle [Equinox] : 29 deg [J2000] 29 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 : 102757.9 -394857. (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 317- G 031 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.16 2a = 86.70 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 : 102757.9 -394857. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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