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Date and Time of the Query: 2019-06-17 T17:07:17 PDT
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Diameter data point(s) for object NGC 3607

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
4.50 arcmin 4.00 arcmin ... ... ... ... 120
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 270.00 ... 0.89 0.11 0.12 27 120
[J2000]
2 POSS1 103a-O
1964MCG2..C...0000V
1.80 arcmin 1.30 arcmin ... ... ... ... ... Very high surface brightness 7.40E+14 108.00 ... 0.72 0.28 0.31 44 ...
3 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.69 log(2a) + 1 ... ... 0.30
log(a/b)
0.03 ... ... 120
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 293.90 21.00 0.50 0.50 0.60 60 120
[J2000]
4 RC3 A_e (Johnson B)
1991RC3.9.C...0000d
1.16 log(2a) + 1 ... ... ... 0.03 ... ... ... ... 6.81E+14 86.70 6.20 ... ... ... ... ...
5 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.64 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 261.90 ... ... ... ... ... ...
6 K_s (LGA/2MASS isophotal)
2003AJ....125..525J
81.4 (a) arcsec ... ... 0.890 (b/a) ... ... ... -55.0
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 162.80 ... 0.89 0.11 0.12 27 125
[J2000]
7 K_s (LGA/2MASS "total")
2003AJ....125..525J
168.5 (a) arcsec ... ... 0.890 (b/a) ... ... ... -55.0
[J2000]
Diameter for "total" magnitude 1.38E+14 337.00 ... 0.89 0.11 0.12 27 125
[J2000]
8 r (SDSS Isophotal)
2007SDSS6.C...0000:
89.06 (a) arcsec 67.37 arcsec ... ... ... ... 131.6
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 178.11 ... 0.76 0.24 0.27 41 132
[J2000]
9 r (SDSS Petrosian)
2007SDSS6.C...0000:
12.89 (a) arcsec ... ... ... 0.195 ... ... ... ... 4.77E+14 25.79 0.39 ... ... ... ... ...
10 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
7.1633 (a) arcsec ... ... 0.745 (b/a) 0.030 ... ... 126.8
[J2000]
... 4.77E+14 14.33 0.06 0.74 0.26 0.29 42 127
[J2000]
11 r (SDSS Exponential)
2007SDSS6.C...0000:
5.3830 (a) arcsec ... ... 0.774 (b/a) 0.013 ... ... 125.6
[J2000]
... 4.77E+14 10.77 0.03 0.77 0.23 0.25 39 126
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 06297                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 4.50       arcmin                   2a = 270.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  4.00      arcmin              2b = 240.00 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]      : 120    deg [B1950]                  120 deg [J2000]
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          : 111418.         +181900.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   : Diameters flagged uncertain.            

No. 2 Published Units: Homogenized Units: Reference Code : 1964MCG2..C...0000V Published Object Name : MCG +03-29-020 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.80 arcmin 2a = 108.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 1.30 arcmin 2b = 78.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.72 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.28 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.31 Uncertainty : ... ... Cos-1(b/a) : ... 44 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 : 111412 +1822 (B1950) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 06297 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.69 2a = 293.90 arcsec Uncertainty : 0.03 21.00 arcsec Minor Axis (2b) : ... 2b = 147.24 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.30 b/a = 0.50 Uncertainty : 0.03 0.04 Ellipticity : ... 1 - b/a = 0.50 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.60 Uncertainty : ... ... Cos-1(b/a) : ... 60 deg Position Angle [Equinox] : 120 deg [J2000] 120 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 : 111654.1 +180312. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 06297 Frequency Targeted : RC3 A_e (Johnson B) Major Axis (2a) : log(2a) + 1 = 1.16 2a = 86.70 arcsec Uncertainty : 0.03 6.20 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 : 111654.1 +180312. (J2000) Qualifiers : From new, raw data NED Comment : From magnitude-aperture curves.
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 06297 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.64 2a = 261.90 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 : 111654.1 +180312. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 6 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3607 Frequency Targeted : K_s (LGA/2MASS isophotal) Major Axis (2a) : a = 81.4 arcsec 2a = 162.80 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 144.89 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.890 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] : -55.0 deg [J2000] 125 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 : 169.227737 18.051809 (J2000) Qualifiers : From new, raw data NED Comment :
No. 7 Published Units: Homogenized Units: Reference Code : 2003AJ....125..525J Published Object Name : NGC 3607 Frequency Targeted : K_s (LGA/2MASS "total") Major Axis (2a) : a = 168.5 arcsec 2a = 337.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 299.93 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.890 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] : -55.0 deg [J2000] 125 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 : 169.227737 18.051809 (J2000) Qualifiers : From new, raw data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J111654.63+180306.3 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 89.06 arcsec 2a = 178.11 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 67.37 arcsec 2b = 134.74 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.76 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.24 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.27 Uncertainty : ... ... Cos-1(b/a) : ... 41 deg Position Angle [Equinox] : 131.6 deg [J2000] 132 deg [J2000] Uncertainty : ... ... Significance : No uncertainty reported Diameter Reference Level : 25.0 mag arcsec^-2^ Frequency : 6290 A 4.77E+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 : 169.2276646778 18.0517562364 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 9 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J111654.63+180306.3 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 12.89 arcsec 2a = 25.79 arcsec Uncertainty : 0.195 arcsec 0.39 arcsec Minor Axis (2b) : ... ... Uncertainty : ... ... Axis Ratio : ... ... Uncertainty : ... ... Ellipticity : ... ... Uncertainty : ... ... Eccentricity : ... ... Uncertainty : ... ... Cos-1(b/a) : ... ... Position Angle [Equinox] : ... ... Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+14 Hz Frequency Mode : Broad-band detector (e.g. photographic plate) Measurement Mode Detector Type : Maps (e.g., 2MASS, VLA, Sloan) Fitting Technique : Profile fitting to image Measured Quantity : See comments Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 169.2276646778 18.0517562364 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J111654.63+180306.3 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 7.1633 arcsec 2a = 14.33 arcsec Uncertainty : 0.030 arcsec 0.06 arcsec Minor Axis (2b) : ... 2b = 10.67 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.745 b/a = 0.74 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.29 Uncertainty : ... ... Cos-1(b/a) : ... 42 deg Position Angle [Equinox] : 126.8 deg [J2000] 127 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+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 : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 169.2276646778 18.0517562364 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 11 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J111654.63+180306.3 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 5.3830 arcsec 2a = 10.77 arcsec Uncertainty : 0.013 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 8.33 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.774 b/a = 0.77 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.23 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.25 Uncertainty : ... ... Cos-1(b/a) : ... 39 deg Position Angle [Equinox] : 125.6 deg [J2000] 126 deg [J2000] Uncertainty : ... ... Significance : Based on count statistics only Diameter Reference Level : ... Frequency : 6290 A 4.77E+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 : Half-light ("effective") diameter Qualifiers : A radius is given in DIA_MAJ, not a diameter Coordinates Targeted : 169.2276646778 18.0517562364 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

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