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Date and Time of the Query: 2019-03-26 T01:51:54 PDT
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Diameter data point(s) for object NGC 3907B

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
1.20 arcmin 0.30 arcmin ... ... ... ... 76
[B1950]
About 25.0 B-mag arcsec^-2^ 7.40E+14 72.00 ... 0.25 0.75 0.88 76 76
[J2000]
2 K_s (2MASS isophotal)
20032MASX.C.......:
39.0 (a) arcsec ... ... 0.180 (b/a) ... ... ... 75
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 78.00 ... 0.18 0.82 0.94 80 75
[J2000]
3 K_s (2MASS "total")
20032MASX.C.......:
59.1 (a) arcsec ... ... 0.180 (b/a) ... ... ... 75
[J2000]
Diameter for "total" magnitude 1.38E+14 118.20 ... 0.18 0.82 0.94 80 75
[J2000]
4 POSS1 103a-O
1963MCG3..C...0000V
1.20 arcmin 0.30 arcmin ... ... ... ... ... High surface brightness 7.40E+14 72.00 ... 0.25 0.75 0.88 76 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
1.08 log(2a) + 1 ... ... 0.56
log(a/b)
0.05 ... ... 76
[J2000]
25.0 B-mag arcsec^-2^ 6.81E+14 72.10 8.80 0.28 0.72 0.86 74 76
[J2000]
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
1.08 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 72.10 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2007SDSS6.C...0000:
45.03 (a) arcsec 15.10 arcsec ... ... ... ... 74.5
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 90.06 ... 0.34 0.67 0.80 70 75
[J2000]
8 r (SDSS Petrosian)
2007SDSS6.C...0000:
9.31 (a) arcsec ... ... ... 1.301 ... ... ... ... 4.77E+14 18.63 2.60 ... ... ... ... ...
9 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
7.5714 (a) arcsec ... ... 0.303 (b/a) 0.042 ... ... 70.0
[J2000]
... 4.77E+14 15.14 0.09 0.30 0.70 0.83 72 70
[J2000]
10 r (SDSS Exponential)
2007SDSS6.C...0000:
4.7372 (a) arcsec ... ... 0.300 (b/a) 0.024 ... ... 68.5
[J2000]
... 4.77E+14 9.47 0.05 0.30 0.70 0.83 73 69
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 1973UGC...C...0000N
Published Object Name         : UGC 06793                     
Frequency Targeted            : POSS1 103a-O                  
Major Axis (2a)               : 1.20       arcmin                   2a = 72.00 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : 2b =  0.30      arcmin              2b = 18.00 arcsec 
Uncertainty                   : ...                                 ...
Axis Ratio                    : ...                                 b/a = 0.25
Uncertainty                   : ...                                 ...
Ellipticity                   : ...                                 1 - b/a = 0.75
Uncertainty                   : ...                                 ...
Eccentricity                  : ...                                 [(a/b)2-1]/[(a/b)2+1] = 0.88
Uncertainty                   : ...                                 ...
Cos-1(b/a)                    : ...                                 76 deg
Position Angle [Equinox]      :  76    deg [B1950]                  76 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          : 114648.         -004800.    (B1950)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11492351-0105022 Frequency Targeted : K_s (2MASS isophotal) Major Axis (2a) : a = 39.0 arcsec 2a = 78.00 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 14.04 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.180 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 75 deg [J2000] 75 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 : 177.348022 -1.083890 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11492351-0105022 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 59.1 arcsec 2a = 118.20 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 21.28 arcsec Uncertainty : ... ... Axis Ratio : b/a = 0.180 b/a = 0.18 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.82 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.94 Uncertainty : ... ... Cos-1(b/a) : ... 80 deg Position Angle [Equinox] : 75 deg [J2000] 75 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 : 177.348022 -1.083890 (J2000) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +00-30-026 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 1.20 arcmin 2a = 72.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.30 arcmin 2b = 18.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.25 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.75 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.88 Uncertainty : ... ... Cos-1(b/a) : ... 76 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 : 114648 -0048 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 06793 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 1.08 2a = 72.10 arcsec Uncertainty : 0.05 8.80 arcsec Minor Axis (2b) : ... 2b = 19.83 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.56 b/a = 0.28 Uncertainty : 0.04 0.03 Ellipticity : ... 1 - b/a = 0.72 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.86 Uncertainty : ... ... Cos-1(b/a) : ... 74 deg Position Angle [Equinox] : 76 deg [J2000] 76 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 : 114918.0 -010400. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : UGC 06793 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 1.08 2a = 72.10 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 : 114918.0 -010400. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J114923.53-010501.5 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 45.03 arcsec 2a = 90.06 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 15.10 arcsec 2b = 30.20 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.34 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.67 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.80 Uncertainty : ... ... Cos-1(b/a) : ... 70 deg Position Angle [Equinox] : 74.5 deg [J2000] 75 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 : 177.3480668140 -1.0837737898 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 8 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J114923.53-010501.5 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 9.31 arcsec 2a = 18.63 arcsec Uncertainty : 1.301 arcsec 2.60 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 : 177.3480668140 -1.0837737898 (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 J114923.53-010501.5 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 7.5714 arcsec 2a = 15.14 arcsec Uncertainty : 0.042 arcsec 0.09 arcsec Minor Axis (2b) : ... 2b = 4.59 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.303 b/a = 0.30 Uncertainty : 0.002 0.00 Ellipticity : ... 1 - b/a = 0.70 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.83 Uncertainty : ... ... Cos-1(b/a) : ... 72 deg Position Angle [Equinox] : 70.0 deg [J2000] 70 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 : 177.3480668140 -1.0837737898 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 10 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J114923.53-010501.5 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.7372 arcsec 2a = 9.47 arcsec Uncertainty : 0.024 arcsec 0.05 arcsec Minor Axis (2b) : ... 2b = 2.84 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.300 b/a = 0.30 Uncertainty : 0.001 0.00 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] : 68.5 deg [J2000] 69 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 : 177.3480668140 -1.0837737898 (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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