NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-17 T16:33:43 PDT
Help | Comment | NED Home

Diameter data point(s) for object NGC 7307

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.......:
38.8 (a) arcsec ... ... 0.380 (b/a) ... ... ... 10
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 77.60 ... 0.38 0.62 0.75 68 10
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
92.5 (a) arcsec ... ... 0.380 (b/a) ... ... ... 10
[J2000]
Diameter for "total" magnitude 1.38E+14 185.00 ... 0.38 0.62 0.75 68 10
[J2000]
3 POSS1 103a-E
1974MCG5..C...0000V
0.3 arcmin 0.2 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 18.00 ... 0.67 0.33 0.38 48 ...
4 POSS1 103a-E
1974MCG5..C...0000V
3.0 arcmin 0.9 arcmin ... ... ... ... ... Moderate surface brightness 7.40E+14 180.00 ... 0.30 0.70 0.83 73 ...
5 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
4.40 arcmin 1.50 arcmin ... ... ... ... 9
[B1950]
About 25.5 B-mag arcsec^-2^ 6.81E+14 264.00 ... 0.34 0.66 0.79 70 9
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
192.75 arcsec ... ... 2.93 (a/b) ... ... ... 9.00
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 192.75 ... 0.34 0.66 0.79 70 9
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
229.09 arcsec ... ... 2.93 (a/b) ... ... ... 9.00
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 229.09 ... 0.34 0.66 0.79 70 9
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
263.03 arcsec ... ... 2.93 (a/b) ... ... ... 9.00
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 263.03 ... 0.34 0.66 0.79 70 9
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
120.23 arcsec ... ... 2.93 (a/b) ... ... ... 9.00
[B1950]
70% total B light 6.81E+14 120.23 ... 0.34 0.66 0.79 70 9
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
141.25 arcsec ... ... 2.93 (a/b) ... ... ... 9.00
[B1950]
80% total B light 6.81E+14 141.25 ... 0.34 0.66 0.79 70 9
[J2000]
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
175.79 arcsec ... ... 2.93 (a/b) ... ... ... 9.00
[B1950]
90% total B light 6.81E+14 175.79 ... 0.34 0.66 0.79 70 9
[J2000]
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
90.16 arcsec ... ... 2.93 (a/b) ... ... ... 9.00
[B1950]
50% total B light, major dia. 6.81E+14 90.16 ... 0.34 0.66 0.79 70 9
[J2000]
13 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
65.31 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 65.31 ... ... ... ... ... ...
14 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
35.24 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 35.24 ... ... ... ... ... ...
15 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
62.53 arcsec ... ... 4.76 (a/b) ... ... ... 9.00
[B1950]
B exponential scale length 6.81E+14 62.53 ... 0.21 0.79 0.92 78 9
[J2000]
16 ESO-LV IIIa-F
1989ESOLV.C...0000L
34.29 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 34.29 ... ... ... ... ... ...
17 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.55 log(2a) + 1 ... ... 0.60
log(a/b)
0.02 ... ... 9
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 212.90 10.00 0.25 0.75 0.88 75 9
[J2000]
18 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.13 log(2a) + 1 ... ... ... 0.03 ... ... ... ... 6.81E+14 80.90 5.80 ... ... ... ... ...
19 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.55 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 212.90 ... ... ... ... ... ...


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J22335253-4055578       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 38.8       arcsec               2a = 77.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 29.49 arcsec
Uncertainty                   : ...                                 ...
Axis Ratio                    : b/a = 0.380                         b/a = 0.38
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.62
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.75
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 68 deg
Position Angle [Equinox]      :   10   deg [J2000]                  10 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          : 338.468933      -40.932713    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J22335253-4055578 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 92.5 arcsec 2a = 185.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 70.30 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.380 b/a = 0.38 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.62 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.75 Uncertainty : ... ... Cos-1(b/a) : ... 68 deg Position Angle [Equinox] : 10 deg [J2000] 10 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 : 338.468933 -40.932713 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -07-46-003 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 0.3 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.2 arcmin 2b = 12.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.67 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.33 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.38 Uncertainty : ... ... Cos-1(b/a) : ... 48 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Intermed. 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 : 223054 -4113 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1974MCG5..C...0000V Published Object Name : MCG -07-46-003 Frequency Targeted : POSS1 103a-E Major Axis (2a) : 3.0 arcmin 2a = 180.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.9 arcmin 2b = 54.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.30 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.83 Uncertainty : ... ... Cos-1(b/a) : ... 73 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 : 223054 -4113 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 345- G 026 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 4.40 arcmin 2a = 264.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.50 arcmin 2b = 90.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.34 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.66 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.79 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 9 deg [B1950] 9 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 : 223057. -411130. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 6 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 192.75 arcsec 2a = 192.75 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 565.25 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.93 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] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (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 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 229.09 arcsec 2a = 229.09 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 671.82 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.93 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] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (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 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 263.03 arcsec 2a = 263.03 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 771.35 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.93 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] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (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 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 120.23 arcsec 2a = 120.23 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 352.58 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.93 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] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (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 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 141.25 arcsec 2a = 141.25 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 414.22 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.93 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] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (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 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 175.79 arcsec 2a = 175.79 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 515.51 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.93 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] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (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 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 90.16 arcsec 2a = 90.16 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 264.40 arcsec Uncertainty : ... ... Axis Ratio : a/b = 2.93 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] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (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 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 65.31 arcsec 2a = 65.31 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 : 337.737488 -41.191666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 14 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 35.24 arcsec 2a = 35.24 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 : 337.737488 -41.191666 (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 : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3450260 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 62.53 arcsec 2a = 62.53 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 297.76 arcsec Uncertainty : ... ... Axis Ratio : a/b = 4.76 b/a = 0.21 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.79 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.92 Uncertainty : ... ... Cos-1(b/a) : ... 78 deg Position Angle [Equinox] : 9.00 deg [B1950] 9 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 : 337.737488 -41.191666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 16 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 3450260 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 34.29 arcsec 2a = 34.29 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 : 337.737488 -41.191666 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : From fits to surf. brightness in octants
No. 17 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 345- G 026 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.55 2a = 212.90 arcsec Uncertainty : 0.02 10.00 arcsec Minor Axis (2b) : ... 2b = 53.44 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.60 b/a = 0.25 Uncertainty : 0.04 0.02 Ellipticity : ... 1 - b/a = 0.75 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.88 Uncertainty : ... ... Cos-1(b/a) : ... 75 deg Position Angle [Equinox] : 9 deg [J2000] 9 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 : 223352.5 -405600. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 18 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 345- G 026 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.13 2a = 80.90 arcsec Uncertainty : 0.03 5.80 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 : 223352.5 -405600. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 19 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 345- G 026 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.55 2a = 212.90 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 : 223352.5 -405600. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.

Back to NED Home