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Date and Time of the Query: 2019-05-24 T05:49:08 PDT
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Diameter data point(s) for object NGC 0320

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.......:
20.5 (a) arcsec ... ... 0.480 (b/a) ... ... ... -30
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 41.00 ... 0.48 0.52 0.63 61 150
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
33.3 (a) arcsec ... ... 0.480 (b/a) ... ... ... -30
[J2000]
Diameter for "total" magnitude 1.38E+14 66.60 ... 0.48 0.52 0.63 61 150
[J2000]
3 POSS1 103a-O
1968MCG4..C...0000V
0.60 arcmin 0.25 arcmin ... ... ... ... ... High surface brightness 7.40E+14 36.00 ... 0.42 0.58 0.70 65 ...
4 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
1.20 arcmin 0.70 arcmin ... ... ... ... 159
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 72.00 ... 0.58 0.42 0.49 54 159
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
46.77 arcsec ... ... 1.71 (a/b) ... ... ... 159.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 46.77 ... 0.58 0.42 0.49 54 159
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
53.70 arcsec ... ... 1.71 (a/b) ... ... ... 159.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 53.70 ... 0.58 0.42 0.49 54 159
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
88.10 arcsec ... ... 1.71 (a/b) ... ... ... 159.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 88.10 ... 0.58 0.42 0.49 54 159
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
19.50 arcsec ... ... 1.71 (a/b) ... ... ... 159.00
[B1950]
70% total B light 6.81E+14 19.50 ... 0.58 0.42 0.49 54 159
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
26.61 arcsec ... ... 1.71 (a/b) ... ... ... 159.00
[B1950]
80% total B light 6.81E+14 26.61 ... 0.58 0.42 0.49 54 159
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
34.67 arcsec ... ... 1.71 (a/b) ... ... ... 159.00
[B1950]
90% total B light 6.81E+14 34.67 ... 0.58 0.42 0.49 54 159
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
7.05 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 7.05 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.05 arcsec ... ... 1.79 (a/b) ... ... ... 150.70
[B1950]
B exponential scale length 6.81E+14 0.05 ... 0.56 0.44 0.53 56 151
[J2000]
13 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.02 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.02 ... ... ... ... ... ...
14 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.93 log(2a) + 1 ... ... 0.25
log(a/b)
0.05 ... ... 159
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 51.10 6.20 0.56 0.44 0.52 56 159
[J2000]
15 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.92 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 49.90 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J00584655-2050245       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 20.5       arcsec               2a = 41.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 19.68 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.480                         b/a = 0.48
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.52
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.63
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 61 deg
Position Angle [Equinox]      :  -30   deg [J2000]                  150 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          : 14.693889       -20.840084    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J00584655-2050245 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 33.3 arcsec 2a = 66.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 31.97 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.480 b/a = 0.48 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.52 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.63 Uncertainty : ... ... Cos-1(b/a) : ... 61 deg Position Angle [Equinox] : -30 deg [J2000] 150 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 : 14.693889 -20.840084 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1968MCG4..C...0000V Published Object Name : MCG -04-03-037 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.60 arcmin 2a = 36.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.25 arcmin 2b = 15.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.42 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.58 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.70 Uncertainty : ... ... Cos-1(b/a) : ... 65 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 : 005624 -2106 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 541- G 003 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 1.20 arcmin 2a = 72.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.70 arcmin 2b = 42.00 arcsec Uncertainty : ... ... Axis Ratio : ... 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] : 159 deg [B1950] 159 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 : 005619. -210636. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 46.77 arcsec 2a = 46.77 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 80.22 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.71 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] : 159.00 deg [B1950] 159 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 : 14.079166 -21.110001 (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 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 53.70 arcsec 2a = 53.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 92.11 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.71 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] : 159.00 deg [B1950] 159 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 : 14.079166 -21.110001 (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 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 88.10 arcsec 2a = 88.10 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 151.11 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.71 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] : 159.00 deg [B1950] 159 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 : 14.079166 -21.110001 (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 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 19.50 arcsec 2a = 19.50 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 33.45 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.71 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] : 159.00 deg [B1950] 159 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 : 14.079166 -21.110001 (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 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 26.61 arcsec 2a = 26.61 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 45.64 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.71 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] : 159.00 deg [B1950] 159 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 : 14.079166 -21.110001 (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 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 34.67 arcsec 2a = 34.67 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 59.47 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.71 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] : 159.00 deg [B1950] 159 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 : 14.079166 -21.110001 (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 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 7.05 arcsec 2a = 7.05 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 : 14.079166 -21.110001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 12 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5410030 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.05 arcsec 2a = 0.05 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.09 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.79 b/a = 0.56 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.53 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 150.70 deg [B1950] 151 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 : 14.079166 -21.110001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 13 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5410030 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.02 arcsec 2a = 0.02 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 : 14.079166 -21.110001 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Derived scale length < 2" mean ESO-B PSF
No. 14 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 541- G 003 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.93 2a = 51.10 arcsec Uncertainty : 0.05 6.20 arcsec Minor Axis (2b) : ... 2b = 28.72 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.25 b/a = 0.56 Uncertainty : 0.04 0.05 Ellipticity : ... 1 - b/a = 0.44 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.52 Uncertainty : ... ... Cos-1(b/a) : ... 56 deg Position Angle [Equinox] : 159 deg [J2000] 159 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 : 005846.4 -205025. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 15 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 541- G 003 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.92 2a = 49.90 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 : 005846.4 -205025. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

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