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Date and Time of the Query: 2019-08-25 T11:44:10 PDT
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Diameter data point(s) for object NGC 1495

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.......:
67.8 (a) arcsec ... ... 0.180 (b/a) ... ... ... -75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 135.60 ... 0.18 0.82 0.94 80 105
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
82.7 (a) arcsec ... ... 0.140 (b/a) ... ... ... -75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 165.40 ... 0.14 0.86 0.96 82 105
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
96.6 (a) arcsec ... ... 0.180 (b/a) ... ... ... -75
[J2000]
Diameter for "total" magnitude 1.38E+14 193.10 ... 0.18 0.82 0.94 80 105
[J2000]
4 K_s (2MASS "total")
20032MASX.C.......:
82.7 (a) arcsec ... ... 0.140 (b/a) ... ... ... -75
[J2000]
Diameter for "total" magnitude 1.38E+14 165.40 ... 0.14 0.86 0.96 82 105
[J2000]
5 POSS1 103a-E
1974MCG5..C...0000V
2.6 arcmin 0.5 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 156.00 ... 0.19 0.81 0.93 79 ...
6 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
4.00 arcmin 0.70 arcmin ... ... ... ... 105
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 240.00 ... 0.17 0.82 0.94 80 105
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
190.55 arcsec ... ... 5.71 (a/b) ... ... ... 105.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 190.55 ... 0.17 0.82 0.94 80 105
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
218.78 arcsec ... ... 5.71 (a/b) ... ... ... 105.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 218.78 ... 0.17 0.82 0.94 80 105
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
239.88 arcsec ... ... 5.71 (a/b) ... ... ... 105.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 239.88 ... 0.17 0.82 0.94 80 105
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
107.15 arcsec ... ... 5.71 (a/b) ... ... ... 105.00
[B1950]
70% total B light 6.81E+14 107.15 ... 0.17 0.82 0.94 80 105
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
125.89 arcsec ... ... 5.71 (a/b) ... ... ... 105.00
[B1950]
80% total B light 6.81E+14 125.89 ... 0.17 0.82 0.94 80 105
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
154.88 arcsec ... ... 5.71 (a/b) ... ... ... 105.00
[B1950]
90% total B light 6.81E+14 154.88 ... 0.17 0.82 0.94 80 105
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
79.43 arcsec ... ... 5.71 (a/b) ... ... ... 105.00
[B1950]
50% total B light, major dia. 6.81E+14 79.43 ... 0.17 0.82 0.94 80 105
[J2000]
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
50.12 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 50.12 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
26.73 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 26.73 ... ... ... ... ... ...
16 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
27.15 arcsec ... ... 5.94 (a/b) ... ... ... 106.77
[B1950]
B exponential scale length 6.81E+14 27.15 ... 0.17 0.83 0.95 80 107
[J2000]
17 ESO-LV IIIa-F
1989ESOLV.C...0000L
29.72 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 29.72 ... ... ... ... ... ...
18 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.48 log(2a) + 1 ... ... 0.74
log(a/b)
0.04 ... ... 105
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 181.20 17.50 0.18 0.82 0.94 80 105
[J2000]
19 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
0.93 log(2a) + 1 ... ... ... 0.04 ... ... ... ... 6.81E+14 51.10 4.90 ... ... ... ... ...
20 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.48 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 181.20 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J03582180-4427585       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 67.8       arcsec               2a = 135.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 24.41 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.180                         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]      :  -75   deg [J2000]                  105 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          : 59.590908       -44.466251    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03582336-4428024 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 82.7 arcsec 2a = 165.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 23.16 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.140 b/a = 0.14 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.86 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.96 Uncertainty : ... ... Cos-1(b/a) : ... 82 deg Position Angle [Equinox] : -75 deg [J2000] 105 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 : 59.597309 -44.467403 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03582180-4427585 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 96.6 arcsec 2a = 193.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 34.76 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.180 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] : -75 deg [J2000] 105 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 : 59.590908 -44.466251 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J03582336-4428024 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 82.7 arcsec 2a = 165.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 23.16 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.140 b/a = 0.14 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.86 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.96 Uncertainty : ... ... Cos-1(b/a) : ... 82 deg Position Angle [Equinox] : -75 deg [J2000] 105 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 : 59.597309 -44.467403 (J2000) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -07-09-004 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 2.6 arcmin 2a = 156.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.5 arcmin 2b = 30.00 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 : 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 : 035648 -4436 (B1950) Qualifiers : From new, raw data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 249- G 034 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 4.00 arcmin 2a = 240.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.17 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] : 105 deg [B1950] 105 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 : 035644. -443630. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 7 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 190.55 arcsec 2a = 190.55 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1088.86 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.71 b/a = 0.17 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] : 105.00 deg [B1950] 105 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 : 59.183334 -44.608334 (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 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 218.78 arcsec 2a = 218.78 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1250.17 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.71 b/a = 0.17 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] : 105.00 deg [B1950] 105 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 : 59.183334 -44.608334 (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 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 239.88 arcsec 2a = 239.88 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 1370.74 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.71 b/a = 0.17 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] : 105.00 deg [B1950] 105 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 : 59.183334 -44.608334 (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 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 107.15 arcsec 2a = 107.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 612.29 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.71 b/a = 0.17 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] : 105.00 deg [B1950] 105 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 : 59.183334 -44.608334 (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 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 125.89 arcsec 2a = 125.89 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 719.37 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.71 b/a = 0.17 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] : 105.00 deg [B1950] 105 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 : 59.183334 -44.608334 (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 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 154.88 arcsec 2a = 154.88 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 885.03 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.71 b/a = 0.17 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] : 105.00 deg [B1950] 105 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 : 59.183334 -44.608334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 79.43 arcsec 2a = 79.43 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 453.89 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.71 b/a = 0.17 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] : 105.00 deg [B1950] 105 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 : 59.183334 -44.608334 (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 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 50.12 arcsec 2a = 50.12 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 : 59.183334 -44.608334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 15 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 26.73 arcsec 2a = 26.73 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 : 59.183334 -44.608334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 16 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2490340 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 27.15 arcsec 2a = 27.15 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 161.61 arcsec Uncertainty : ... ... Axis Ratio : a/b = 5.94 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] : 106.77 deg [B1950] 107 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 : 59.183334 -44.608334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 17 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 2490340 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 29.72 arcsec 2a = 29.72 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 : 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 : 59.183334 -44.608334 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 249- G 034 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.48 2a = 181.20 arcsec Uncertainty : 0.04 17.50 arcsec Minor Axis (2b) : ... 2b = 32.98 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.74 b/a = 0.18 Uncertainty : 0.05 0.02 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] : 105 deg [J2000] 105 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 : 035821.2 -442759. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 19 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 249- G 034 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 0.93 2a = 51.10 arcsec Uncertainty : 0.04 4.90 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 : 035821.2 -442759. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 20 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 249- G 034 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.48 2a = 181.20 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 : 035821.2 -442759. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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