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Date and Time of the Query: 2019-08-17 T16:44:10 PDT
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Diameter data point(s) for object NGC 4214

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
1973UGC...C...0000N
11.00 arcmin 9.00 arcmin ... ... ... ... ... About 25.0 B-mag arcsec^-2^ 7.40E+14 660.00 ... 0.82 0.18 0.20 35 ...
2 POSS1 103a-O
1964MCG2..C...0000V
2.30 arcmin 1.80 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 138.00 ... 0.78 0.22 0.24 38 ...
3 POSS1 103a-O
1964MCG2..C...0000V
7.50 arcmin 6.00 arcmin ... ... ... ... ... Low surface brightness 7.40E+14 450.00 ... 0.80 0.20 0.22 37 ...
4 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.93 log(2a) + 1 ... ... 0.11
log(a/b)
0.01 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 510.70 11.90 0.78 0.22 0.25 39 ...
5 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.39 log(2a) + 1 ... ... ... 0.02 ... ... ... ... 6.81E+14 147.30 6.90 ... ... ... ... ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.93 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 510.70 ... ... ... ... ... ...
7 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
85.4 (a) arcsec ... ... 0.640 (b/a) ... ... ... -52.5
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 170.80 ... 0.64 0.36 0.42 50 128
[J2000]
8 K_s (LGA/2MASS "total")
2003AJ....125..525J
190.3 (a) arcsec ... ... 0.640 (b/a) ... ... ... -52.5
[J2000]
Diameter for "total" magnitude 1.38E+14 380.60 ... 0.64 0.36 0.42 50 128
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 07278                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 11.00      arcmin                   2a = 660.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  9.00      arcmin              2b = 540.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.82
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.18
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.20
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 35 deg
Position Angle [Equinox]      : ...                                 ...
Uncertainty                   : ...                                 ...
Significance                  : No uncertainty reported
Diameter Reference Level      : About 25.0 B-mag arcsec^-2^   
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          : 121306.         +363700.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-27-042 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 2.30 arcmin 2a = 138.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.80 arcmin 2b = 108.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.78 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.24 Uncertainty : ... ... Cos-1(b/a) : ... 38 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 : 121306 +3636 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +06-27-042 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 7.50 arcmin 2a = 450.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 6.00 arcmin 2b = 360.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.80 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.20 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.22 Uncertainty : ... ... Cos-1(b/a) : ... 37 deg Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : Low 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 : 121306 +3636 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07278 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.93 2a = 510.70 arcsec Uncertainty : 0.01 11.90 arcsec Minor Axis (2b) : ... 2b = 396.30 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.11 b/a = 0.78 Uncertainty : 0.02 0.04 Ellipticity : ... 1 - b/a = 0.22 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.25 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : ... ... 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 : 121539.5 +361939. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07278 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.39 2a = 147.30 arcsec Uncertainty : 0.02 6.90 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 : 121539.5 +361939. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 07278 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.93 2a = 510.70 arcsec Uncertainty : ... ... Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 25.0 B-mag arcsec^-2^ Frequency : 4400 A 6.81E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Photographic plate, print, or film Fitting Technique : Eye estimate Measured Quantity : Isophotal diameter Coordinates Targeted : 121539.5 +361939. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 4214 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 85.4 arcsec 2a = 170.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 109.31 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.640 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : -52.5 deg [J2000] 128 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 : 183.913223 36.326889 (J2000) Qualifiers : From new, raw data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 4214 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 190.3 arcsec 2a = 380.60 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 243.58 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.640 b/a = 0.64 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.36 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.42 Uncertainty : ... ... Cos-1(b/a) : ... 50 deg Position Angle [Equinox] : -52.5 deg [J2000] 128 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 : 183.913223 36.326889 (J2000) Qualifiers : From new, raw data NED Comment :

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