NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-26 T05:54:22 PDT
Help | Comment | NED Home

Diameter data point(s) for object NGC 3624

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.......:
20.8 (a) arcsec ... ... 0.640 (b/a) ... ... ... -10
[J2000]
20.0 K-mag arcsec^-2^ 1.38E+14 41.60 ... 0.64 0.36 0.42 50 170
[J2000]
2 K_s (2MASS "total")
20032MASX.C.......:
35.2 (a) arcsec ... ... 0.640 (b/a) ... ... ... -10
[J2000]
Diameter for "total" magnitude 1.38E+14 70.40 ... 0.64 0.36 0.42 50 170
[J2000]
3 POSS1 103a-O
1963MCG3..C...0000V
0.30 arcmin 0.20 arcmin ... ... ... ... ... High surface brightness 7.40E+14 18.00 ... 0.67 0.33 0.38 48 ...
4 POSS1 103a-O
1963MCG3..C...0000V
0.80 arcmin 0.50 arcmin ... ... ... ... ... Intermed. surface brightness 7.40E+14 48.00 ... 0.62 0.38 0.44 51 ...
5 RC3 D_25, R_25 (blue)
1991RC3.9.C...0000d
0.94 log(2a) + 1 ... ... 0.19
log(a/b)
0.11 ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 52.30 15.10 0.65 0.35 0.41 50 ...
6 RC3 D_0 (blue)
1991RC3.9.C...0000d
0.95 log(2a) + 1 ... ... ... ... ... ... ... 25.0 B-mag arcsec^-2^ 6.81E+14 53.50 ... ... ... ... ... ...
7 r (SDSS Isophotal)
2005SDSS4.C...0000:
31.40 (a) arcsec 18.84 arcsec ... ... ... ... 163.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 62.81 ... 0.60 0.40 0.47 53 163
[J2000]
8 r (SDSS Petrosian)
2005SDSS4.C...0000:
7.99 (a) arcsec ... ... ... 0.20 ... ... ... ... 4.77E+14 15.98 0.40 ... ... ... ... ...
9 r (SDSS de Vaucouleurs)
2005SDSS4.C...0000:
6.91 (a) arcsec ... ... 0.736 (b/a) 0.05 ... ... 166.9
[J2000]
... 4.77E+14 13.81 0.11 0.74 0.26 0.30 43 167
[J2000]
10 r (SDSS Exponential)
2005SDSS4.C...0000:
4.30 (a) arcsec ... ... 0.612 (b/a) 0.02 ... ... 169.8
[J2000]
... 4.77E+14 8.60 0.03 0.61 0.39 0.46 52 170
[J2000]
11 r (SDSS Isophotal)
2007SDSS6.C...0000:
31.40 (a) arcsec 18.84 arcsec ... ... ... ... 163.1
[J2000]
25.0 mag arcsec^-2^ 4.77E+14 62.81 ... 0.60 0.40 0.47 53 163
[J2000]
12 r (SDSS Petrosian)
2007SDSS6.C...0000:
7.99 (a) arcsec ... ... ... 0.201 ... ... ... ... 4.77E+14 15.98 0.40 ... ... ... ... ...
13 r (SDSS deVaucouleurs)
2007SDSS6.C...0000:
6.9056 (a) arcsec ... ... 0.736 (b/a) 0.054 ... ... 166.9
[J2000]
... 4.77E+14 13.81 0.11 0.74 0.26 0.30 43 167
[J2000]
14 r (SDSS Exponential)
2007SDSS6.C...0000:
4.3025 (a) arcsec ... ... 0.612 (b/a) 0.017 ... ... 169.8
[J2000]
... 4.77E+14 8.61 0.03 0.61 0.39 0.46 52 170
[J2000]


Detailed Information for Each Entry

 No. 1
                                Published Units:                    Homogenized Units:

Reference Code                : 20032MASX.C.......:
Published Object Name         : 2MASX J11185095+0731172       
Frequency Targeted            : K_s (2MASS isophotal)         
Major Axis (2a)               : a = 20.8       arcsec               2a = 41.60 arcsec
Uncertainty                   : ...                                 ... 
Minor Axis (2b)               : ...                                 2b = 26.62 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]      :  -10   deg [J2000]                  170 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          : 169.712326      7.521441    (J2000)
Qualifiers                    : From new, raw data
NED Comment                   :                                         

No. 2 Published Units: Homogenized Units: Reference Code : 20032MASX.C.......: Published Object Name : 2MASX J11185095+0731172 Frequency Targeted : K_s (2MASS "total") Major Axis (2a) : a = 35.2 arcsec 2a = 70.40 arcsec Uncertainty : ... ... Minor Axis (2b) : ... 2b = 45.06 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] : -10 deg [J2000] 170 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 : 169.712326 7.521441 (J2000) Qualifiers : From new, raw data NED Comment :
No. 3 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +01-29-029 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.30 arcmin 2a = 18.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.20 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 : 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 : 111612 +0748 (B1950) Qualifiers : From new, raw data NED Comment :
No. 4 Published Units: Homogenized Units: Reference Code : 1963MCG3..C...0000V Published Object Name : MCG +01-29-029 Frequency Targeted : POSS1 103a-O Major Axis (2a) : 0.80 arcmin 2a = 48.00 arcsec Uncertainty : ... ... Minor Axis (2b) : 2b = 0.50 arcmin 2b = 30.00 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.62 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.38 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.44 Uncertainty : ... ... Cos-1(b/a) : ... 51 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 : "Outer" diameter Coordinates Targeted : 111612 +0748 (B1950) Qualifiers : From new, raw data NED Comment :
No. 5 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG +01-29-029 Frequency Targeted : RC3 D_25, R_25 (blue) Major Axis (2a) : log(2a) + 1 = 0.94 2a = 52.30 arcsec Uncertainty : 0.11 15.10 arcsec Minor Axis (2b) : ... 2b = 33.79 arcsec Uncertainty : ... ... Axis Ratio : log(a/b) = 0.19 b/a = 0.65 Uncertainty : 0.07 0.11 Ellipticity : ... 1 - b/a = 0.35 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.41 Uncertainty : ... ... Cos-1(b/a) : ... 50 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 : 111842.0 +073100. (J2000) Qualifiers : Homogenized from previously published data NED Comment :
No. 6 Published Units: Homogenized Units: Reference Code : 1991RC3.9.C...0000d Published Object Name : MCG +01-29-029 Frequency Targeted : RC3 D_0 (blue) Major Axis (2a) : log(2a) + 1 = 0.95 2a = 53.50 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 : 111842.0 +073100. (J2000) Qualifiers : Homogenized from previously published data NED Comment : Extinction and inclination corrected.
No. 7 Published Units: Homogenized Units: Reference Code : 2005SDSS4.C...0000: Published Object Name : SDSS J111850.98+073117.0 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 31.40 arcsec 2a = 62.81 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 18.84 arcsec 2b = 37.69 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.60 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : 163.1 deg [J2000] 163 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 : 169.7124176 7.5213871 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J111850.98+073117.0 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.99 arcsec 2a = 15.98 arcsec Uncertainty : 0.20 arcsec 0.40 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 : 169.7124176 7.5213871 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J111850.98+073117.0 Frequency Targeted : r (SDSS de Vaucouleurs) Major Axis (2a) : a = 6.91 arcsec 2a = 13.81 arcsec Uncertainty : 0.05 arcsec 0.11 arcsec Minor Axis (2b) : ... 2b = 10.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.736 b/a = 0.74 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 166.9 deg [J2000] 167 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 : 169.7124176 7.5213871 (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 : 2005SDSS4.C...0000: Published Object Name : SDSS J111850.98+073117.0 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.30 arcsec 2a = 8.60 arcsec Uncertainty : 0.02 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 5.26 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.612 b/a = 0.61 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.46 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 169.8 deg [J2000] 170 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 : 169.7124176 7.5213871 (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 J111850.98+073116.9 Frequency Targeted : r (SDSS Isophotal) Major Axis (2a) : a = 31.40 arcsec 2a = 62.81 arcsec Uncertainty : ... ... Minor Axis (2b) : b = 18.84 arcsec 2b = 37.69 arcsec Uncertainty : ... ... Axis Ratio : ... b/a = 0.60 Uncertainty : ... ... Ellipticity : ... 1 - b/a = 0.40 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.47 Uncertainty : ... ... Cos-1(b/a) : ... 53 deg Position Angle [Equinox] : 163.1 deg [J2000] 163 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 : 169.7124196916 7.5213871007 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 12 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J111850.98+073116.9 Frequency Targeted : r (SDSS Petrosian) Major Axis (2a) : a = 7.99 arcsec 2a = 15.98 arcsec Uncertainty : 0.201 arcsec 0.40 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 : 169.7124196916 7.5213871007 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment :
No. 13 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J111850.98+073116.9 Frequency Targeted : r (SDSS deVaucouleurs) Major Axis (2a) : a = 6.9056 arcsec 2a = 13.81 arcsec Uncertainty : 0.054 arcsec 0.11 arcsec Minor Axis (2b) : ... 2b = 10.16 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.736 b/a = 0.74 Uncertainty : 0.005 0.01 Ellipticity : ... 1 - b/a = 0.26 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.30 Uncertainty : ... ... Cos-1(b/a) : ... 43 deg Position Angle [Equinox] : 166.9 deg [J2000] 167 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 : 169.7124196916 7.5213871007 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius
No. 14 Published Units: Homogenized Units: Reference Code : 2007SDSS6.C...0000: Published Object Name : SDSS J111850.98+073116.9 Frequency Targeted : r (SDSS Exponential) Major Axis (2a) : a = 4.3025 arcsec 2a = 8.61 arcsec Uncertainty : 0.017 arcsec 0.03 arcsec Minor Axis (2b) : ... 2b = 5.27 arcsec Uncertainty : ... 0.00 Axis Ratio : b/a = 0.612 b/a = 0.61 Uncertainty : 0.003 0.00 Ellipticity : ... 1 - b/a = 0.39 Uncertainty : ... ... Eccentricity : ... [(a/b)2-1]/[(a/b)2+1] = 0.46 Uncertainty : ... ... Cos-1(b/a) : ... 52 deg Position Angle [Equinox] : 169.8 deg [J2000] 170 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 : 169.7124196916 7.5213871007 (J2000) Qualifiers : From new, raw data; DIA_MAJ or DIA_MIN modified from published data NED Comment : Effective (half-light) radius

Back to NED Home