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Date and Time of the Query: 2019-08-25 T07:51:07 PDT
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Diameter data point(s) for object NGC 1407

Diameter Data --- Published and Homogenized (arcsec) Units

  Published UnitsHomogenized Units
No.Observed Passband
REFCODE
Major Axis
(2a)
Major Axis UnitsMinor Axis
(2b)
Minor Axis UnitsAxis Ratio (b/a)Major Axis Unc.Ellipticity
(1 - b/a)
Eccentricity
[(a/b)2-1]/
[(a/b)2+1]
Position Angle
(deg)
[published]
Reference LevelFrequency (Hz)Major Axis
(2a)
(arcsec)
Major Axis Unc.Axis Ratio (b/a)Ellipticity
(1 - b/a)
Eccentricity
[(a/b)2-1]/
[(a/b)2+1]
cos-1(b/a)
(deg)
Position Angle
(deg)
[J2000]
1 POSS1 103a-O
1968MCG4..C...0000V
0.90 arcmin 0.80 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 54.00 ... 0.89 0.11 0.12 27 ...
2 ESO-Uppsala "Quick Blue" IIa-O
1982ESOU..C...0000L
5.50 arcmin 5.00 arcmin ... ... ... ... ... About 25.5 B-mag arcsec^-2^ 6.81E+14 330.00 ... 0.91 0.09 0.10 25 ...
3 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
358.92 arcsec ... ... 1.07 (a/b) ... ... ... 47.40
[B1950]
25.0 B-mag arcsec^-2^ 6.81E+14 358.92 ... 0.94 0.06 0.07 21 48
[J2000]
4 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
484.17 arcsec ... ... 1.07 (a/b) ... ... ... 47.40
[B1950]
26.0 B-mag arcsec^-2^ 6.81E+14 484.17 ... 0.94 0.06 0.07 21 48
[J2000]
5 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
638.26 arcsec ... ... 1.07 (a/b) ... ... ... 47.40
[B1950]
27.0 B-mag arcsec^-2^ 6.81E+14 638.26 ... 0.94 0.06 0.07 21 48
[J2000]
6 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
278.61 arcsec ... ... 1.07 (a/b) ... ... ... 47.40
[B1950]
70% total B light 6.81E+14 278.61 ... 0.94 0.06 0.07 21 48
[J2000]
7 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
367.28 arcsec ... ... 1.07 (a/b) ... ... ... 47.40
[B1950]
80% total B light 6.81E+14 367.28 ... 0.94 0.06 0.07 21 48
[J2000]
8 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
530.88 arcsec ... ... 1.07 (a/b) ... ... ... 47.40
[B1950]
90% total B light 6.81E+14 530.88 ... 0.94 0.06 0.07 21 48
[J2000]
9 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
162.18 arcsec ... ... 1.07 (a/b) ... ... ... 47.40
[B1950]
50% total B light, major dia. 6.81E+14 162.18 ... 0.94 0.06 0.07 21 48
[J2000]
10 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
156.68 arcsec ... ... ... ... ... ... ... 50% total B light, aperture 6.81E+14 156.68 ... ... ... ... ... ...
11 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
32.45 arcsec ... ... ... ... ... ... ... B disk exp. scale length 6.81E+14 32.45 ... ... ... ... ... ...
12 ESO-LV "Quick Blue" IIa-O
1989ESOLV.C...0000L
0.41 arcsec ... ... 1.04 (a/b) ... ... ... 52.81
[B1950]
B exponential scale length 6.81E+14 0.41 ... 0.96 0.04 0.04 17 53
[J2000]
13 ESO-LV IIIa-F
1989ESOLV.C...0000L
0.03 arcsec ... ... ... ... ... ... ... R exponential scale length 4.68E+14 0.03 ... ... ... ... ... ...
14 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.66 log(2a) + 1 ... ... 0.03
log(a/b)
0.02 ... ... 35
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 274.30 12.90 0.93 0.07 0.07 21 35
[J2000]
15 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.37 log(2a) + 1 ... ... ... 0.04 ... ... ... ... 6.81E+14 140.70 13.60 ... ... ... ... ...
16 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.68 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 287.20 ... ... ... ... ... ...
17 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
100.2 (a) arcsec ... ... 0.950 (b/a) ... ... ... 60.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 200.40 ... 0.95 0.05 0.05 18 60
[J2000]
18 K_s (LGA/2MASS "total")
2003AJ....125..525J
178.5 (a) arcsec ... ... 0.950 (b/a) ... ... ... 60.0
[J2000]
Diameter for "total" magnitude 1.38E+14 357.00 ... 0.95 0.05 0.05 18 60
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1968MCG4..C...0000V
Published Object Name         : MCG -03-10-030                
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 0.90       arcmin                   2a = 54.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.80      arcmin              2b = 48.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.89
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.11
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.12
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 27 deg
Position Angle [Equinox]      : ...                                 ...
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : Very high surface brightness  
Frequency                     : 4050         A                      7.40E+14 Hz
Frequency Mode                : Broad-band detector (e.g. photographic plate)

Measurement Mode               
    Detector Type             : Photographic plate, print, or film
    Fitting Technique         : Eye estimate
    Measured Quantity         : "Inner" diameter
Coordinates Targeted          : 033754          -1844    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1982ESOU..C...0000L Published Object Name : ESO 548- G 067 Frequency Targeted : ESO-Uppsala "Quick Blue" IIa-O Major Axis (2a) : 5.50 arcmin 2a = 330.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 5.00 arcmin 2b = 300.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.91 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.09 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.10 Uncertainty : ... ... Cos-1(b/a) : ... 25 deg Position Angle [Equinox] : ... ... 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 : 033757. -184430. (B1950) Qualifiers : From new, raw data NED Comment : Diameters flagged uncertain.
No. 3 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 358.92 arcsec 2a = 358.92 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 383.46 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.07 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 47.40 deg [B1950] 48 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 : 54.487499 -18.741667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 4 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 484.17 arcsec 2a = 484.17 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 517.28 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.07 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 47.40 deg [B1950] 48 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 : 54.487499 -18.741667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Elliptical isophote
No. 5 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 638.26 arcsec 2a = 638.26 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 681.90 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.07 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 47.40 deg [B1950] 48 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 : 54.487499 -18.741667 (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 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 278.61 arcsec 2a = 278.61 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 297.66 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.07 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 47.40 deg [B1950] 48 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 : 54.487499 -18.741667 (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 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 367.28 arcsec 2a = 367.28 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 392.39 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.07 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 47.40 deg [B1950] 48 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 : 54.487499 -18.741667 (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 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 530.88 arcsec 2a = 530.88 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 567.18 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.07 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 47.40 deg [B1950] 48 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 : 54.487499 -18.741667 (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 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 162.18 arcsec 2a = 162.18 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 173.27 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.07 b/a = 0.94 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.06 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 47.40 deg [B1950] 48 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 : 54.487499 -18.741667 (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 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 156.68 arcsec 2a = 156.68 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 : 54.487499 -18.741667 (B1950) Qualifiers : From new, raw data; Corrected for contaminating sources NED Comment : Circular aperture
No. 11 Published Units: Homogenized Units: Reference Code : 1989ESOLV.C...0000L Published Object Name : ESO-LV 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 32.45 arcsec 2a = 32.45 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 : 54.487499 -18.741667 (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 5480670 Frequency Targeted : ESO-LV "Quick Blue" IIa-O Major Axis (2a) : 0.41 arcsec 2a = 0.41 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 0.43 arcsec Uncertainty : ... ... Axis Ratio : a/b = 1.04 b/a = 0.96 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.04 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.04 Uncertainty : ... ... Cos-1(b/a) : ... 17 deg Position Angle [Equinox] : 52.81 deg [B1950] 53 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 : 54.487499 -18.741667 (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 5480670 Frequency Targeted : ESO-LV IIIa-F Major Axis (2a) : 0.03 arcsec 2a = 0.03 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 : 54.487499 -18.741667 (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 548- G 067 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.66 2a = 274.30 arcsec Uncertainty : 0.02 12.90 arcsec Minor Axis (2b) : ... 2b = 255.92 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.03 b/a = 0.93 Uncertainty : 0.02 0.04 Ellipticity : ... 1 - b/a = 0.07 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.07 Uncertainty : ... ... Cos-1(b/a) : ... 21 deg Position Angle [Equinox] : 35 deg [J2000] 35 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 : 034012.4 -183452. (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 548- G 067 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.37 2a = 140.70 arcsec Uncertainty : 0.04 13.60 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Mean error Diameter Reference Level : ... Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Eye estimate Measured Quantity : Isophotal diameter Coordinates Targeted : 034012.4 -183452. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 16 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : ESO 548- G 067 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.68 2a = 287.20 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 : 034012.4 -183452. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 17 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 1407 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 100.2 arcsec 2a = 200.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 190.38 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.950 b/a = 0.95 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.05 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.05 Uncertainty : ... ... Cos-1(b/a) : ... 18 deg Position Angle [Equinox] : 60.0 deg [J2000] 60 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 : 55.049599 -18.580379 (J2000) Qualifiers : From new, raw data NED Comment :
No. 18 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 1407 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 178.5 arcsec 2a = 357.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 339.15 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.950 b/a = 0.95 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.05 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.05 Uncertainty : ... ... Cos-1(b/a) : ... 18 deg Position Angle [Equinox] : 60.0 deg [J2000] 60 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 : 55.049599 -18.580379 (J2000) Qualifiers : From new, raw data NED Comment :

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